Epson Equity LT-286 Canada User Manual

Epson Equity LT-286 Canada Manual

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  • Epson Equity LT-286 Canada | User Manual - Page 1
    EPSON®
  • Epson Equity LT-286 Canada | User Manual - Page 2
    EPSON® EQUITY™ LT™-286 User's Guide Y17499100100
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    OF WARRANTY' Epson America makes no representations or warranties, either express or implied, by or with respect to anything in this manual, and shall of Centronics Data Corporation. Epson is a registered trademark of Seiko Epson Corporation. Equity and LT are trademarks of Epson America, Inc. GW
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    in strict accordance with the manufacturer's instructions, may cause interference to radio and its peripheral devices. To further isolate the problem: Disconnect the peripheral devices and their input/ Epson peripheral devices, you can obtain the proper shielded cable from your dealer. For non-Epson
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    Contents Introduction 1 How To Use This Manual 3 Where To Get Help 4 Setting Up Your System 1-1 1 Unpacking 1-1 2 Connecting the AC Adapter 1-2 3 Charging the Battery 1-3 4 Connecting a Printer 1-4 Connecting to the Parallel Interface 1-4 Connecting to
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    -DOS Files to the Hard Disk 3-10 Modifying the AUTOEXEC.BAT File 3-11 Booting From the Hard Disk 3-12 Using the Equity LT-286 4-1 Using the AC Adapter 4-1 Using the Battery 4-2 LED Indicators 4-3 Opening and Closing the Screen 4-4 Using the Handle 4-6 Selecting Execution Speed 4-7 Special
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    the BACKUP Command 5-20 Deleting Data 5-21 Using the Epson HELP Utility 5-22 Using the Epson MENU Utility 5-24 MENU Utility Options 5-24 Using the Utility 5-30 Appendixes A Connecting an External Color Monitor A-1 B Troubleshooting B-1 The Computer Won't Start B-1 The LCD Screen Is Blank
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    Diskette Problems B-5 Hard Disk Problems B-6 C Power-On Diagnostics C-1 System Device Check C-1 Clock and CMOS RAM Check C-2 RAM Check C-2 Keyboard Controller and Keyboard Check C-3 Video and Video Controller Check C-3 Diskette Drive
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    Floppy Disk Drive and Controller Check D-17 Sequential Seek Check D-18 Random Seek Check D-18 Write, Read Check D-19 Speed Check D-19 Disk Change Check D-20 Run All Above Checks D-20 Math Coprocessor (80287) Check D-21 Parallel Port (Printer Interface) Check D-21 Serial Port (RS-232C Port)
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    above the keyboard allows you to change speeds without resetting the computer. The Equity LT-286 also has a built-in socket for an 80287 math coprocessor, which can be installed by an authorized Epson dealer or Customer Care Center. The built-in serial and parallel interfaces allow you to attach
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    by an authorized Epson dealer or Customer Care Center l manuals for both MS-DOS and GW-BASIC packed in the box with the computer. You can use virtually any application program designed for the IBM@ Personal Computer, PC XT," or PC AT" on your Equity LT-286. In addition to MS-DOS and GW-BASIC, Epson
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    , see the instructions that come with the option. For dealer-installed options, contact an authorized Epson dealer or Customer Care Center. (See the next section, "Where To Get Help," for details.) If you encounter any problems while using your Equity LT-286, check the troubleshooting guidelines in
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    trouble with any part of the hardware, you may want to run some or all of these diagnostic checks. Appendix E lists the Equity LT-286 hardware specifications. At the back of the manual is a glossary of computer terms used in this manual. Where To Get Help Customer support and service for Epson
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    Chapter 1 Setting Up Your System Setting up your Epson Equity LT-286 portable computer is easy. Just follow the steps in this chapter. They describe how to attach the AC adapter, start MS-DOS, and copy the system diskettes that come with your Equity LT-286. After you have followed these steps, turn
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    a GW-BASIC manual l Two function key templates You'll also find a registration card with the main unit. Fill out this card now and mail it to Epson. With your registration card on file, Epson can send you update information. Be sure to keep your packing materials. They provide the best protection
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    connector, Then pull it away from the computer, Do not try to unplug the adapter by pulling on the cord. 3 Charging the Battery The Equity LT-286 contains a rechargeable nickel cadmium (NiCad) battery pack that powers the computer when you are not using the AC adapter. Before you use the computer
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    with your new computer. 4 Connecting a Printer The Equity LT-286 has both parallel and serial interfaces (ports). You can easily connect a printer or plotter that has either type of interface. Just follow the instructions below. Of course, Epson offers a full range of printer products; consult your
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    3. Open the computer's interface cover, as shown below. 4. One end of the printer cable has a 25-pin, D-shaped male connector. (See your printer manual if you're not sure which end this is.) Connect this end to the parallel connector on the back panel of the computer, as shown
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    computer that a printer is connected to the parallel interface. Note If you plan to use an external 5 1/4-inch diskette drive with your Equity LT-286, you must connect the external drive to the parallel interface, Therefore, you cannot have both a parallel printer and the diskette drive connected
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    connect it to the serial (RS-232C) interface on the back of the computer. The Equity LT-286 uses a 9-pin, D-shaped male connector, so be sure you have a compatible cable command (or the Epson MENU program) to make these changes. See your MS-DOS manual for instructions. Setting Up Your System 1-7
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    , do so at this point. For instructions on connecting the monitor, see Appendix A. For instructions on connecting an external diskette drive, see the instructions that came with the drive you purchased. If you connect either of these devices to your Equity LT-286, be sure to set the computer's DIP
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    Keyboard DIP Switches The DIP switches above the keyboard are numbered 1 through 4. To access these switches, lift the panel above the keyboard by pressing inward on both sides of the cover as you lift it up: The system functions controlled by the keyboard DIP switches, shown below, are listed in
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    way color information is displayed on your LCD screen. In mode 0, everything is displayed in black and white. For most of your work with the Equity LT-286, you probably want to use mode 0. In modes 1 and 2, information that appears in color on a color monitor appears in various shades of gray on
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    Table 1-2: Gray-scale mocks 1 and 2 Color Black Blue Green Cyan Red Magenta Brown White Gray Light blue Light green Light cyan Light red Light magenta Yellow Bright white Mode 1 gray tone 0 1 4 5 2 3 6 7 0 1 4 5 2 3 6 7 Mode 2 gray tone 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 Note: 0 is the darkest gray
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    Back Panel DIP Switches The second set of DIP switches is located near the middle of the back panel. These switches are numbered 1 through 6. To access these switches, open the back panel of the computer as shown below. The system functions controlled by these switches are listed in Table 1-3 and
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    recognizes this connector as COM1; if it is on, MS-DOS recognizes it as COM2. If you have not installed an internal modem in your Equity LT-286, you probably want to leave switch 3 off. If you have installed an internal modem, and you want the modem's own serial port to be COM1
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    Switch 5, enable or disable internal display controller-If you have attached an optional expansion chassis and you are using an external video controller card (such as an Enhanced Graphics Adapter) in the expansion chassis, set this switch off. Otherwise, set it on. Switch 6, external monitor type-
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    your Equity LT-286 computer. But before you turn it on, read the following safety rules to avoid accidentally damaging your computer or injuring yourself: Do not attempt to dismantle any part of the computer. If there is a hardware problem you cannot solve after reading Appendix B on troubleshooting
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    Turning On the Computer After you have charged the battery (by connecting the AC adapter to the computer) for at least five minutes, you can turn on your computer. Be sure to leave the AC adapter connected while you use the computer for the first time. To turn on your computer, follow these steps:
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    The Power/Speed indicator above the keyboard lights up, and after a few seconds the computer begins to perform an internal self test. This is a diagnostic program the computer runs whenever you turn it on. The power-on self test checks the RAM (random access memory), keyboard, system board, and
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    you ever want to change the date or time for any reason, use the MS-DOS DATE and TIME commands (described in your MS-LXX manual). The screen displays the MS-DOS version number and copyright information. Then the MS-DOS command prompt appears: This means the operating system is ready
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    , slide the switch down toward the edge of the diskette so there is a hole where the switch used to be. (For more detailed instructions, see "Write-Protecting Diskettes," in Chapter 4.) 2. Insert the Startup/Operating 1 diskette in the diskette drive if it is not there already. 3. Type DISKCOPY
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    4. Drive A already contains the diskette you want to copy (the source diskette), so just press any key. The DISKCOPY program copies most of the files on the diskette to the computer's memory. (Because the 720KB MS-DOS diskette holds more data than fits in the computer's 640KB of memory, the computer
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    is complete, you see this prompt: Copy another diskette (Y/N)? 8. Press Y so you can make a copy of the Operating 2 diskette. Follow the instructions above and the prompts on the screen to copy the Operating 2 diskette. 9. When the Copy another diskette (Y/N)? prompt reappears, press Y again, and
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    the Setup Program If this is the first time your Equity LT-286 has been used, you need to run the setup program drive What type of hard disk drive you have The backlight period for your LCD screen The mapping of colors to gray tones for gray-scale mode 3. The settings you specify with the setup
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    selection number: 3. Press 1 to select Setup and then press Enter. The setup main menu appears on the screen: SETUP Utility version 4.00 Copyright (c) SEIKO EPSON CORP. 1988 Coprocessor Mass storage Backlight period Gray scale Lsaloct function, Enter exit program 2-2 Running the Setup Program
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    Enter. (The L and 1' keys are located on the numeric keypad, at the lower-right comer of your keyboard.) Memory The setup program assumes that your Equity LT-286 is equipped with 640KB of main memory and no expansion memory. If this information is correct, you do not need to make any changes to
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    To change the main memory setting, highlight Main. Then press Enter one or more times until the correct value appears. To change the expansion memory setting, highlight Expansion. Then press the + key (either the gray + on the right side of the keyboard or the white + next to the backspace key)
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    text at a width of eighty characters per line and can display graphics. This is the standard setting. Color/graph. 40 col-In this mode, the Equity LT-286 displays text at a width of forty characters per line and can display graphics. Use this setting if you want the computer to start up with
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    l Special options-Choose this setting if you have an EGA (Enhanced Graphics Adapter) or VGA (Video Graphics Array) display adapter in an expansion chassis and you want the computer's initial display to appear on the monitor connected to that adapter. To select a display option, highlight the option
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    Mass Storage The setup program assumes that your computer has an internal 1.44MB 3 1/2-inch floppy disk drive, an internal 20MB hard disk, and that you are not using an external 5 1/4-inch diskette drive. If this is true, you do not need to make any changes to the Mass storage portion of the setup
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    If you are using an external 5 1/4-inch diskette drive and have set DIP switch 2 on the back panel off, your computer recognizes the external diskette drive as A and the internal drive as B. In this case, you need to confirm or adjust the setup settings for both Drive A and Drive B. When you first
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    Backlight Period In order to conserve the battery's charge when you are running your computer without the AC adapter, your screen is designed to go blank after a preset period of inactivity. Initially, that period is two minutes. If you don't press any key on the keyboard for two minutes, the screen
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    back on when you press a key, you may want to set the backlight period to Not time limit. Another way to avoid this problem is to use the Epson LIGHTON utility. See chapter 5 for details on the LIGHTON utility. When you have selected the backlighting period, highlight SAVE SETTINGS and press Enter
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    to use a different gray tone for black, press Enter. The following display appears: ZTUP Utility version 4.00 Copyright (c) SEIKO EPSON COW. 1988 (Attributes image) BFKGROUND I b123456789ABCDEF )I Coprocessor Mass storage Backlight period Gray Scale 1 Gray Scale 2 Gray Scale 3 m Gray Scale
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    As you build a gray scale for mode 3, the setup program displays all possible combinations of foreground and background tones in a grid at the left side of the screen. In this grid, the numbers and letters in the column at the left represent foreground tones. The numbers and letters in the row at
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    and then press Enter. The screen displays a list of the current setup program settings and a menu: SETUP Utility version 4.00 Copyright (c) SEIKO EPSON CORP. 1988 Memory size Display type Coprocessor Mass storage Backlight period Main Expansion 640 KB 0KN color/graph. 80 col 80287 not
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    . If you have modified the gray-scale settings, press F1. The screen displays the current gray-scale assignments. If you want to make any changes, highlight Change settings and press Enter. The main setup menu appears again, and you can make any necessary changes. When the settings are the way you
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    these steps if your hard disk has already been prepared for use or has data stored on it. These instructions apply only to a new hard disk. The hard disk in your computer has a much larger capacity than described in Chapter 5 and in the MS-DOS Reference Manual. Preparing the Hard Disk for Use 3-1
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    -DOS programs and Epson-supplied utility programs from your Operating 2 and Reference diskettes to your hard disk. Note The instructions in this chapter assume your MS-DOS manual. If you want to set up your hard disk to run another operating system only, consult the manual fur that operating system
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    any problems; however, if you do have questions, see Chapter 5 for basic information about using MS-DOS or see your MS-DOS manual for more . If you want the primary partition to be smaller, see the instructions for FDISK in your MS-DOS manual. 1. Make sure the computer is turned off. 2. Make sure
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    6. At the A> prompt, type FDISK and press Enter. The screen displays the FDISK Options menu. 7. Press 1 to select the Create DOS Partition option and press Enter. The screen displays the following menu: Create DOS Partition Current Fixed Disk Drive: 1 1. Create Primary DOS partition 2. Create
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    drive C and a 20MB drive D-or if you want to split your 20MB hard disk into two partitions, see the instructions for FDISK in your MS-DOS Reference Manual. The MS-DOS manual also describes how to create multiple drives in the extended partition. Note Splitting a hard disk into two logical drives
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    5. Press Enter to accept the partition size. The screen displays the message: Extended DOS partition created You also see information about the partitions you have created. 6. Press ESC to return to the FDISK Options menu. FDISK automatically takes you to the Create Logical DOS Drive (s) option and
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    001 and US are the country code and keyboard code for the United States. If you want to substitute other codes, see your MS-DOS manual. Preparing the Hard Disk for Use 3-7
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    The screen displays the following message: SELECT is used to install DOS the first time. SELECT erases everything on the specified target and then installs DOS. Do you want to continue (Y/N)? 4. Press Y. The screen displays the following message: WARNING, ALL DATA ON NON-REMOVABLE DISK DRIVE C: WILL
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    6. It is a good idea to enter a name (a volume label) for the partition to protect it from being accidentally reformatted later. If you want to name the drive, type a name of up to 11 characters, then press Enter. If you prefer not to name it, just press Enter. The screen first displays disk space
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    4. The screen displays this message and prompt: WARNING, ALL DATA ON NON-REMOVABLE DISK DRIVE D: WILL BE LOST! Proceed with Format (Y/N)? 5. Press Y and Enter to begin formatting the extended partition. The screen continuously displays the changing head and cylinder numbers. When the partition has
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    . This file contains instructions that are executed by MS-DOS every time you boot your system from the hard disk. These instructions do the following: to your screen after the backlight period has elapsed. To correct this problem, you need to make a simple modification to the AUTOEXEC.BAT file
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    Booting From the Hard Disk Now you can boot your system (load MS-DOS) from drive C. Just make sure there is no diskette in drive A when you turn on or reset your computer. Turn off the computer, wait at least five seconds, then turn it back on. After the computer completes its power-on self test,
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    /Speed light starts to flash, to avoid losing data.) Because the adapter can operate at voltages from 100 to 240 volts, you can use your Equity LT-286 in countries other than the United States, provided you have the appropriate adapter plug. Use the AC adapter to recharge the battery as described in
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    it connected for more than 12 hours. Remember the following when you are charging the battery: l Use only the AC adapter that comes with the Equity LT-286. Using a different one can damage the computer. l It is best to charge the battery for at least eight hours. If you charge the battery for
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    avoid losing data or save your data files and turn off the computer if AC power is unavailable. (See "Using the Battery," above.) Using the Equity LT-286 4-3
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    may lose dam. The Num Lock, Caps Lock, and Scroll Lock LEDs indicate whether the corresponding key functions are enabled. See "Special Keys on the Equity LT-286 Keyboard," below. Opening and Closing the Screen When you are not using the computer or you want to move it, turn it off and close
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    lift the screen back. You can position the screen at a variety of viewing angles. Note To prevent damage to the system, you cannot open the Equity LT-286 while it is standing uptight on its back panel. Set the computer in a horizontal position before opening it. If you close the screen while the
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    computer, as shown below. Be sure the screen is closed whenever you carry the computer by its handle. WARNING To avoid accidental damage to your Equity LT-286, always store the computer in a horizontal position. Do not leave it standing upright on its back panel. 4-6 Using the
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    Selecting Execution Speed The Equity LT-286 can operate at two execution speeds: 8 MHz and 12 MHz. At the higher speed, the computer performs all tasks more off before changing execution speed. To change the speed, move the CPU SPEED switch located above the keyboard. Using the Equity LT-286 4-7
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    on the Equity LT-286 Keyboard The illustration below shows the Equity LT-286 keyboard. I -m Certain keys on your keyboard serve special functions when your computer is running application programs. For instructions on how to use keys for specific software functions, consult the manual that came
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    Key i++Tab Caps Lock Shift Ctrl Alt t Backspace +I Enter Ins Del Home, End, PgUp, PgDn T+lt Num Lock Esc F1 - F12 Print Screen Purpose Moves the cursor one tab to the right in normal special functions within application programs. Prints text on the screen to the printer. Using the Equity LT-286 4-9
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    Key Template The twelve keys marked F1 through F12 at the top of your keyboard are used in different ways in different application programs. Your Equity LT-286 comes with two function key templates. Use a pencil to label the template with the functions of each key. You can use both sides of the
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    Using Diskettes Diskette drives allow you to store data on diskettes and retrieve and use stored data. The Equity LT-286 has a 1.44MB 3 1/2-inch diskette drive; it also supports an optional external 5 1/4-inch diskette drive. This section explains how diskettes work and tells you how to do the
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    that has a 720KB diskette drive, you should use 720KB diskettes in your Equity LT-286. If you have an external 5 1/4-inch 360KB diskette drive, use 5 with the COPY and XCOPY commands. See Chapter 5 or your MS-DOS manual for information about the COPY and XCOPY commands. You need to format new
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    sure they do not get bent. Never wipe, brush, or try to clean diskettes in any way. Store diskettes properly in diskette containers. Using the Equity LT-286 4-13
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    on the diskette drive. When the diskette pops out of the drive, pull it out and store it properly in a diskette container. 4-14 Using the Equity LT-286
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    system diskettes that come with the Equity LT-286. After you make your copies, store the originals in a safe place away from your working diskettes and use only the copies. Chapter 1 describes how to make backup copies of your system diskettes. For general instructions on copying diskettes or hard
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    . Never attempt to open the hard disk unit. The disk itself is enclosed in an airtight container to protect it from dust. 4-16 Using the Equity LT-286
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    backup diskettes up to date. Use the Epson MENU utility or the MS-DOS BACKUP command instructions on using these backup utilities, see Chapter 5 or your MS-DOS manual manual. Turning Off the Hard Disk Your computer's hard disk has its own power switch. To avoid drive access problems Equity LT-286 4-17
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    hard disk, leave the hard disk switch on when you turn on the computer, then turn it off later as described below. 4-18 Using the Equity LT-286
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    to turn the hard disk off to conserve battery power, use the diskette that came with the program and run it from drive A. Using the Equity LT-286 4-19
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    erases all data in the computer's temporary memory (RAM) that you have not stored, so reset the computer only as a last resort. 4-20 Using the Equity LT-286
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    . This method works even when the keyboard does not respond to your commands. If this does not correct the problem, try the third method. 3. Remove any diskette from the diskette drive and turn off all peripherals. Then turn . You do not have to turn off the hard disk. Using the Equity LT-286 4-21
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    If you use advanced features or create your own programs, see your MS-DOS manual for a complete description of MS-DOS. This chapter describes the following MS-DOS functions data Using the Epson HELP utility Using the Epson MENU utility Using the XTREE utility Using MS-DOS With Your Equity LT-286 5-1
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    drives by setting DIP switch 2 on the back panel in the on position. See "Setting the DIP Switches," in Chapter 1. 5-2 Using MS-DOS With Your Equity LT-286
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    ) and change the way a command works. Delimiters are characters such as spaces or commas that separate command names and parameters. Using MS-DOS With Your Equity LT-286 5-3
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    you may need to use a pathname when you enter an external command. _- See your MS-DOS manual for more information on the command format and for detailed descriptions of each command. Entering MS-DOS Commands You Type the correct command and press Enter. 5-4 Using MS-DOS With Your Equity LT-286
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    information, such as words, numbers, or pictures. A program contains instructions that the computer can understand and execute. The kind of file data files in its own particular format, you are likely to encounter problems if you try to read a file with a program other than the Equity LT-286 5-5
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    disk can be represented with a tree-like diagram, like this: Root Directory ( \ ) LEDGER A ACCOUNTS SALES WORDPROC A BUSINESS PERSONAL I STORIES LETTERS 5-6 Using MS-DOS With Your Equity LT-286
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    stored in the current directory, you can either change directories (making a different directory current) or include a pathname in your command. Using MS-DOS With Your Equity LT-286 5-7
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    directory to another l Deleting a directory. You may also want to read about XTREE, a utility provided by Epson that makes it easier to perform these functions, as well as others. You can use XTREE to generate diskette in drive A, type DIR A: and press Enter. 5-8 Using MS-DOS With Your Equity LT-286
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    GRAPH24 COM 10807 9-24-87 10:21a GWBASIC EXE 86192 12-04-86 7:55p SETPRINT EXE 5168 8-08-86 9:05a EPSON TXT 366 10-04-85 12:00p 16 File(s) 289792 bytes free To list the files in a different directory on pathname tells MS-DOS where your file is stored. Using MS-DOS With Your Equity LT-286 5-9
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    backslash, MS-DOS would not find the file, because it is a subdirectory of PERSONAL, not of the root directory. 5-10 Using MS-DOS With Your Equity LT-286
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    directory to the directory LEDGER (which is a subdirectory of the root directory), type the following and press Enter: CD \LEDGER Using MS-DOS With Your Equity LT-286 5-11
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    or commas between each of the three parts. The space characters or commas are the delimiters in this command. 5-12 Using MS-DOS With Your Equity LT-286
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    XCOPY command. See the sections later in this chapter on using XTREE and MENU, and see your MS-DOS manual for information about using XCOPY. Deleting a Directory If you no longer need a directory, you can remove it diskettes and use the 720KB format. Using MS-DOS With Your Equity LT-286 5-13
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    format another diskette by pressing Y and Enter, or return to the MS-DOS command prompt by pressing N and Enter. 5-14 Using MS-DOS With Your Equity LT-286
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    to perform the functions described above is through the MENU utility, See the section on MENU later in this chapter. Using MS-DOS With Your Equity LT-286 5-15
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    use the MS-DOS XCOPY command to copy whole subdirectories of fifes; see your MS-DOS manual for details. Using the DISKCOPY Command The DISKCOPY command lets you copy an exact image of you are copying from) is write-protected. (See Chapter 4 for instructions.) 5-16 Using MS-DOS With Your Equity LT-286
  • Epson Equity LT-286 Canada | User Manual - Page 98
    another diskette (Y/N)? Press Y and Enter to copy another diskette or N and Enter to return to the MS-DOS command prompt. Using MS-DOS With Your Equity LT-286 5-17
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    change the name of the copy from REPORT to FACTS, type this command and press Enter: COPY A:REPORT C:FACTS 5-18 Using MS-DOS With Your Equity LT-286
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    begin with the four letters MEMO and end with any single character, type the following and press Enter: COPY A:MEMO? C: Using MS-DOS With Your Equity LT-286 5-19
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    , BACKUP creates files that you cannot use until you restore them to the disk by using the RESTORE command. 5-20 Using MS-DOS With Your Equity LT-286
  • Epson Equity LT-286 Canada | User Manual - Page 102
    process speeds up backup procedures you perform on a regular basis. For complete instructions on the use of BACKUP and RESTORE, see your MS-DOS manual. Note An easy way to perform the functions of the BACKUP, RESTORE ERASE works exactly like the DEL command. Using MS-DOS With Your Equity LT-286 5-21
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    Using the Epson HELP Utility The Epson HELP utility provides on-line information on MS-DOS commands and programs. You can use HELP in either of two ways: l You utility. The last command selected in HELP is displayed at the command prompt for easy reference. 5-22 Using MS-DOS With Your Equity LT-286
  • Epson Equity LT-286 Canada | User Manual - Page 104
    help information for the next command. 4. After you have seen enough help information, press ESC to exit the HELP program. Using MS-DOS With Your Equity LT-286 5-23
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    Using the Epson MENU Utility Your Equity LT-286 comes with a utility by Epson called MENU. With this program you can a description of what each option does. Step-by-step instructions for using each option are provided in your MS-DOS manual. File Utilities Lets you back up and restore files,
  • Epson Equity LT-286 Canada | User Manual - Page 106
    the MS-DOS MODE command. Lets you access the Epson HELP utility. Lets you run other MS-DOS commands without leaving the MENU program. Using the XTREE Utility Epson has included the XTREE program with MS-DOS to make in a window to the side of the screen. Using MS-DOS With Your Equity LT-286 5-25
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    to expand the file window, and press Enter one more time to return the cursor to the directory window. 5-26 Using MS-DOS With Your Equity LT-286
  • Epson Equity LT-286 Canada | User Manual - Page 108
    to all the files in the directories. Then, in order to erase a file, you must first remove its read-only status. (See your MS-DOS manual for details.) Using MS-DOS With Your Equity LT-286 5-27
  • Epson Equity LT-286 Canada | User Manual - Page 109
    DOS command prompt so that it displays the current directory-or your name, or anything else you want. See your MS-DOS manual for instructions on using the PATH command, the PROMPT command, and any other commands you want to include in your AUTOEXEC.BAT file. 5-28 Using MS-DOS With Your Equity LT-286
  • Epson Equity LT-286 Canada | User Manual - Page 110
    Another way to create an AUTOEXEC.BAT file is by using the MS-DOS COPY command. To do this, follow the instructions below: 1. At the MS-DOS C> prompt, type the following and press Enter: COPY CON: C:\AUTOEXEC.BAT 2. move the cursor to the next blank line. Using MS-DOS With Your Equity LT-286 5-29
  • Epson Equity LT-286 Canada | User Manual - Page 111
    any data files you are working on and reset your computer. You can prevent this problem from occurring by using the Epson LIGHTON utility (on your Reference diskette). First load your memory-resident program, then enter Chapter 2) and select No time limit. 5-30 Using MS-DOS With Your Equity LT-286
  • Epson Equity LT-286 Canada | User Manual - Page 112
    If you use memory-resident programs that interfere with the backlit screen's operation, it is best to install them with a batch file that also includes LIGHTON as the last command. (See your MS-DOS manual for information about batch files.) Using MS-DOS With Your Equity LT-286 5-31
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    Appendix A Connecting an External Color Monitor If you plan to use an external CGA-compatible color (RGB) monitor with your Equity LT-286, follow the instructions below to connect it to the computer: 1. Be sure both the computer and monitor (as well as any other peripherals) are turned off. 2. Place
  • Epson Equity LT-286 Canada | User Manual - Page 114
    5. If the plug has retaining screws, tighten them with a screwdriver. 6. If necessary, plug the monitor's power cable into the power inlet on the monitor. (Some monitors come with permanently attached power cables.) Then plug the power cable into an electrical outlet. 7. Turn off DIP switch 4 above
  • Epson Equity LT-286 Canada | User Manual - Page 115
    Appendix B Troubleshooting You should not encounter any difficulties as you set up and use your Equity LT-286. You can correct most problems by adjusting a cable connection, changing a DIP switch setting, repeating a software procedure, or resetting the computer. If anything out of the ordinary
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    are secure but your computer still won't start, contact your Epson dealer. The LCD Screen Is Blank If the computer starts up appears on the LCD screen, follow these steps to solve the problem: 1. Use the contrast switch and the brightness switch to adjust the instructions.) B-2 Troubleshooting
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    instructions on how to fully recharge the battery. 5. If you still don't get an image on the screen, contact your Epson dealer. The Monitor Screen Is Blank If you are using an external color monitor with the computer but no image appears on the screen, follow these steps to solve the problem
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    before your change the execution speed. Low Battery Problems If the battery runs low, recharge it according to the instructions in Chapter 4. The battery inside the Equity LT-286 should last as long as the computer does. outlet and let the battery charge for at least 12 hours. B-4 Troubleshooting
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    , the battery is faulty. Contact your dealer to have the internal battery pack replaced. Diskette Problems If you have trouble with a diskette, see if any of the following questions applies: 1. Is the diskette damaged to determine if the diskette drive is operating properly. Troubleshooting B-5
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    Disk Problems If you have problems with your hard disk when you first start to use it, make sure it is properly set up. (See the instructions for utility (see Chapter 5) or the FC command (see your MS-DOS manual) to compare the COMMAND.COM file on your diskette with the COMMAND.COM Troubleshooting
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    do this only after careful consideration and after trying the preceding steps. 5. If none of the above procedures works, contact your Epson dealer or have an authorized Epson Customer Care Center check your hard disk. Never open the airtight container that encloses the hard disk. Troubleshooting B-7
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    is inoperable. Write down the error message and code number and call your Epson dealer. If the error is not serious, the computer displays an error the computer may halt with no further information. If this happens, contact your Epson dealer as soon as possible. If the computer finds an error on the
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    in which the error is found. Your dealer needs this information to find and correct the problem. If an I/O or checksum error occurs, you see this message: xxxx0 ROM error where xxxx is the number of the segment of the bad I/O ROM.
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    messages: Parity check 1 Parity check 2 The program also displays the number of the segment causing the problem. Keyboard Controller and Keyboard Check The computer checks the keyboard controller and keyboard for problems such as failure of one of the keys to release. If there are any errors in the
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    Diskette Drive Seek Check The computer checks its diskette drives by testing the drive mechanism for any malfunction. If any seek errors are found, you see this message: 601-Diskette error Hard Disk Controller and Hard Disk Check The computer next checks the hard disk controller and drive unit. If a
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    Appendix D Performing System Diagnostics This appendix describes how to check the operation of the main unit and peripheral devices of your system. You check these devices using the diagnostics program on your Reference diskette. Run the diagnostics program if you are not sure whether a device is
  • Epson Equity LT-286 Canada | User Manual - Page 127
    The screen looks something like this: DEVICE LIST 1 - System board 2 - Memory 3 - Keyboard 5 - Color graphics adapter and CRT 6 - Floppy disk drives and controller 9 - Parallel port (printer interface) 11 - Serial port (RS-232C port) 14 - Dot-matrix printer 17 - Hard disk drives and controller Is
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    Press N followed by Enter. You see a new menu: Modify DEVICE LIST 1 - Add devices 2 - Delete devices 0 - Exit Enter selection number: To add a device to the list, press 1 and Enter. The program displays a list of other devices that are not currently included in the DEVICE LIST. You see a menu
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    Selecting a Test From the DEVICE LIST, select the device to be tested. Type the number of the device, then press Enter. The following menu appears: Number of times to test device 1 - Run test one time 2 - Run test multiple times 0 - Exit Enter selection number: You can specify that the test be
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    error occurs during a test, the test stops at that point and an error code and error message are displayed. If you want to record the problem, you can print out the message on your printer. You see this prompt: Do you want a printout of the error message(s) (Y/N)? To continue without printing
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    the 80286 CPU chip are very comprehensive and ensure that the CPU instruction set, including protected-mode operation, is functioning correctly. If an error down the error message, or print it out, and contact your Epson dealer. Attempting to correct memory errors yourself may violate your warranty
  • Epson Equity LT-286 Canada | User Manual - Page 132
    5 - Italian 6 - Spanish 0 - Exit Enter selection number: Choose the appropriate option for your keyboard layout (for example, if you're using the Equity LT-286 in the United States, choose option 1), and press Enter. The screen then displays a diagram showing the layout of your keyboard. To test the
  • Epson Equity LT-286 Canada | User Manual - Page 133
    international keyboard layouts in the MS-DOS manual. If any key is incorrect, press N and message, or print them out, and contact your Epson dealer. Monochrome Display Adapter and CRT Check Use this checks that allow you to identify particular problems related to the monochrome display. To
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    Monochrome Adapter Check To check the monochrome adapter, press 1 and then Enter. The computer checks the video RAM (display memory) on the display adapter by writing certain data to memory, then reading it back and comparing it to the written data. The computer also tests the video enable signal of
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    the characters match the illustration, press Y and Enter. If you find a problem with the characters on the screen, press N and then Enter to display the are located on your monitor. Sync Check This test is provided for service purposes only. If you accidentally select this option, press any key to
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    The test includes several checks that allow you to identify specific video problems. You select the individual checks from the following menu: COLOR GRAPHICS write down the error message, or print it out, and then contact your Epson dealer. When you are finished with the test, press 0 and Enter to
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    2 in effect, regardless of how the DIP switches are currently set. Table 1-2, in Chapter 1, lists the mapping of colors to gray tones in mode 2. Contact your Epson dealer to verify any display problems. Character Set Check To check your 80-column character set, press 3 and then Enter. The character
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    character fonts, respond to the prompt: Is the display correct (Y/N)? If the characters displayed match the illustration, press Y and Enter. If you find a problem with the characters on the screen, press N and Enter to display the error message. 40-Column Character Set Check To check your 40-column
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    the DIP switches are currently set. Table 1-2, in Chapter 1, lists the mapping of colors to gray tones in mode 2. If any colors are displayed incorrectly sure that both ends of the cable are plugged in firmly. If a problem still exists, press N and Enter to display the error message. 640x200 Graphics
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    of your monitor (if you are using an external monitor), and then make sure that both ends of the cable are plugged in firmly. If a problem persists, press N and Enter to display the error message. Screen Paging Check To check your system's screen paging, press 7 and Enter. Your computer's display
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    how the DIP switches are currently set. Table 1-2, in Chapter 1, lists the mapping of colors to gray tones in mode 2. To start this test, press 8 in firmly. If a problem still exists, press N and Enter to display the error message. Sync Check This test is provided for service purposes only. If you
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    Check Use this option to test the performance of your diskette drive. This test sequence includes several checks that allow you to identify particular problems related to your diskette drive. To run these tests, you need a formatted 1.44MB or 720KB diskette so the tests can write data on the
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    which drive (A/B)? Press A or B and then Enter. If any errors occur, write down the error code and message and contact your Epson dealer. Always have diskette drives serviced by your dealer. When you finish running the checks, press 0 and Enter to return to the DEVICE LIST menu. Sequential Seek
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    Write, Read Check This test checks the ability of the selected disk drive to read and write data from a diskette. The test writes to and reads from each track on the diskette, starting at the center. Select option 3 from the menu to start this test. This test destroys all data on the diskette in the
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    If you try to perform a speed test without inserting a diskette, or if a read error occurs, you see this message and prompt: Disk is defective or not installed properly. Press ENTER to return to the menu. Disk Change Check This test checks the ability of the diskette drive to detect that a diskette
  • Epson Equity LT-286 Canada | User Manual - Page 146
    Math Coprocessor (80287) Check Use this option to check the operation of the 80287 math coprocessor if you have one installed in your computer. To start the test, select option 7 from the DEVICE LIST menu. Before running any tests, the computer checks the settings in CMOS RAM to ensure that a
  • Epson Equity LT-286 Canada | User Manual - Page 147
    Insert the loop-back connector. Then press Y and Enter to start the check. The computer checks the port by writing and reading data and control information, and reports errors for any pins that are faulty. Serial Port (RS-232C Port) Check Use this option to test the functions of the primary serial
  • Epson Equity LT-286 Canada | User Manual - Page 148
    The second test is an echo back check during which the port sends data to itself in a fixed data format, at all the possible baud rates. When this test begins, you see this message: RS-232C echo back check - at various baud rates Current baud rate is 75 Current test data is 00 Each baud rate is
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    compatibility of your printer with the extended character set used by the Equity LT-286 l The ability of your printer to produce bit-image graphics and data is sent to the printer using a command (ESC K) compatible with Epson and IBM printers. If this pattern is printed correctly, you can use the
  • Epson Equity LT-286 Canada | User Manual - Page 150
    Use this option to test the performance of the hard disk drive installed in your computer. If any errors occur, have your dealer check and service the drive. WARNING As a precaution against losing data on your hard disk, you should back up your hasd disk before running these checks. When you
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    Select option 1 from the menu to start this test. The program displays the number of each cylinder it finds, counting down to 0. The seek is performed by the read/write heads simultaneously, so you see the cylinder numbers only once. If no errors occur, the menu is redisplayed. Write, Read Check
  • Epson Equity LT-286 Canada | User Manual - Page 152
    Select option 3 from the menu to start this test. The program displays the number of each cylinder it finds. The first message you see is: Current cylinder is nnn The cylinder number counts down to 0. At the end of the test, you see a table showing the results of the test. For example, if your hard
  • Epson Equity LT-286 Canada | User Manual - Page 153
    This test is identical to the check for the primary parallel port. For more details, see the section describing the parallel port check earlier in this appendix. Parallel Port (on Video Adapter) Check Use this option to test the functions of a parallel port on a video adapter card. To perform the
  • Epson Equity LT-286 Canada | User Manual - Page 154
    ERROR 8042 WRITE COMMAND ERROR 8259 INTERRUPT CONTROLLER ERROR 146818 CMOS SHUTDOWN BYTE ERROR 146818 CMOS BATTERY ERROR 146818 CMOS CHECKSUM ERROR 80286 INSTRUCTION ERROR 80286 PROTECT MODE ERROR 1 80286 PROTECT MODE ERROR 2 MEMORY/PARITY ERROR 8042 ERROR KEYBOARD ERROR KEYBOARD IS NON-STANDARD OR
  • Epson Equity LT-286 Canada | User Manual - Page 155
    Monochrome display adapter and CRT 401 402 403 404 Color graphics adapter/display 501 503 504 505 506 507 508 510 Floppy disk drives /controller 601 602 603 604 605 606 607 Math coprocessor (80287) 701 702 703 704 705 706 707 708 709 710 Parallel port 901 V-RAM ERROR VIDEO SIGNAL ERROR ATTRIBUTE
  • Epson Equity LT-286 Canada | User Manual - Page 156
    Serial port (RS-232C) 1101 1101 1102 1103 Alternate serial port 1201 1201 1202 1203 Dot-matrix printer 1401 Hard disk drive and controller 1701 1702 1703 1704 1705 1706 Alternate gy;llel port control signal ALWAYS LOW control signal ALWAYS HIGH TIMEOUT ERROR VERIFY ERROR control signal ALWAYS LOW
  • Epson Equity LT-286 Canada | User Manual - Page 157
    Option slot Standard 8-bit parallel, 25pin, D-type female connector RS-232C, programmable, asynchronous, 9-pin, D-type male connector RGB color monitor support (CGAcompatible) Internal, non-adjustable One 8-bit slot, signal-compatible with IBM XT Keyboard Layout Attached, 88/89 sculpted keys 58
  • Epson Equity LT-286 Canada | User Manual - Page 158
    78ms average access time (20MB hard disk) 1 internal 1.44MB 3 1/2-inch diskette drive; external 5 1/4-inch (360KB or 1.2MB) diskette drive supported Display High-contrast paper-white LCD display with fluorescent backlighting; CGA-compatible, with four switch-selectable gray-scale modes; continuous
  • Epson Equity LT-286 Canada | User Manual - Page 159
    Operating: 0 to 9800 ft (0 to 3000 m) Non-operating: 0 to 32,000 ft (0 to 10,000 m) When traveling by airplane, it is best to take your LT-286 into the passenger compartment as carry-on luggage to prevent it from being stored in an unpressurized storage compartment. Specifications E-3
  • Epson Equity LT-286 Canada | User Manual - Page 160
    Expansion chassis Carrying case Internal 300/1200-baud or 1200/2400-baud Hayes-compatible, auto-dial 2MB expansion modules (SIMMs); up to 4MB expansion memory supported on system board One 8-bit expansion slot One 16-bit expansion slot Soft case for carrying computer E-4 Specifications
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    80287 math coprocessor. AC adapter The device that converts AC voltage from a wall socket into the proper DC voltage to power your Equity LT-286. The AC adapter delivers sufficient power to recharge the NiCad battery pack while you operate the computer. Application program A software program
  • Epson Equity LT-286 Canada | User Manual - Page 162
    Backlighting The internal fluorescent illumination of the computer's LCD screen. LCD screens that are not backlit are not legible without an external source of light. Backlight period The length of time your LCD screen stays illuminated in the absence of keyboard activity. To restore the
  • Epson Equity LT-286 Canada | User Manual - Page 163
    into the built-in CRT connector on the back panel of the Equity LT-286. Character Anything that can be printed or displayed in a single space power switch is turned off. Code A system of symbols for representing data or instructions. Also, any software program or part of a program. COM1 The name that
  • Epson Equity LT-286 Canada | User Manual - Page 164
    you want to boot MS-DOS from the hard disk. Command prompt The message that tells you MS-DOS is loaded and ready to receive instructions. The MS-DOS command prompt ordinarily displays the current operating drive (A> or C>, for example). You can add other information to the command prompt by using
  • Epson Equity LT-286 Canada | User Manual - Page 165
    CRT connector The socket on the back panel of your Equity LT-286 where you plug in the cable of a color monitor. Current directory The directory you are working in. MS-DOS executes a command in the current directory
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    Default directory A synonym for current directory. Default drive A synonym for current drive. Delimiter A character (usually a semicolon, comma, or a space) used to separate different parts of an MS-DOS command. Device A piece of equipment that is part of a computer system and performs a specific
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    of video monitor that can display graphics. You can install a video card for an EGA monitor in the Equity LT-286's optional expansion chassis. Executable file A file containing program instructions. In MS-DOS, executable files must have an extension of .BAT, .COM, or .EXE. To execute an executable
  • Epson Equity LT-286 Canada | User Manual - Page 168
    sentences. Program files consist of code and are used by computers to perform instructions. Filename A name of up to eight characters that MS-DOS uses to Lines, angles, curves, and other non-alphanumeric data. Gray-scale mode The mapping of colors to shades of gray on the LCD screen. In mode 0, all
  • Epson Equity LT-286 Canada | User Manual - Page 169
    GW-BASIC Microsoft's extended version of the BASIC programming language. GW-BASIC is included on your Operating 2 diskette. Hard disk A sealed mass storage device used to store data permanently. A hard disk can process data more rapidly and can store many more files than a diskette. Hardware Any
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    it. The six indicator lights above the Equity LT-286 keyboard are LEDs. LIGHTON An Epson utility program that enables you to restore central processing unit, the random access memory, the disk drives, and other supporting circuitry. Megabyte (MB) A unit used to measure storage space in a computer
  • Epson Equity LT-286 Canada | User Manual - Page 171
    utility that you can access while working in a spreadsheet program. The Epson LIGHTON utility is a memory-resident program. Microprocessor A CPU chip, such See Operating system. NiCad The type of battery used by your Equity LT-286. NiCad stands for nickel-cadmium. Numeric keypad The number keys
  • Epson Equity LT-286 Canada | User Manual - Page 172
    Operating system A collection of programs that allows a computer to control its operations. The operating system determines how programs run on the computer and supervises all input and output. Your computer comes with MS-DOS, an operating system by Microsoft. Option card A circuit board that you
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    A set of self-testing routines performed automatically by the computer every time you turn it on. See Appendix C. Program A disk file that contains coded instructions telling the computer what to do and how to do it. Prompt A message displayed on the screen that tells you what action you need to
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    Read Only Memory. The portion of the computer's memory that contains permanent instructions and cannot be modified. The power-on diagnostic programs, for example, are . You can easily connect an RS-232Ccompatible device to your Equity LT-286. Sector A contiguous section of a disk track that provides
  • Epson Equity LT-286 Canada | User Manual - Page 175
    Source diskette The diskette that you are copying files from, as opposed to the target diskette, which is the diskette you are copying files to. Stop bit A signal sent in serial communications to mark the end of a character. Subdirectory A disk directory that branches down from another subdirectory
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    programs. VGA Video Graphics Array. A type of video monitor that can display graphics. You can install a video card for a VGA monitor in the Equity LT-286's optional expansion chassis. Volume label A name (up to eleven characters in length) you can assign to a diskette or hard disk. To format
  • Epson Equity LT-286 Canada | User Manual - Page 177
    Index A AC adapter, connecting, 1-2-3 using, 4-1 Adjusting LCD screen, 4-5 Application program, starting, 5-30 AUTOEXEC.BAT file, creating, 5-29-30 modifying, 3-11 using, 5-28 -30 B Backlight period, 1-19, 2-9 -10, 5-30 -31, B-2 Back panel, back cover foldout Back panel DIP switches. See DIP
  • Epson Equity LT-286 Canada | User Manual - Page 178
    Choosing diskettes, 4-11 -12 Clock and CMOS RAM diagnostics check, C-2 CMOS RAM, 2-1, C-2, D-6 Color monitor. See Monitor Command format, MS-DOS, 5-3 -4 Commands, entering, 5-4 Computer, carrying, 4-6 resetting, 4-20 -21 setting up, 1-1-21 turning off, 4-21 turning on, 1-15-17 using, 4-1-21
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    D Data, copying, 5-16-21 deleting, 5-21 protecting, 4-17 storing, 5-5-6 Deleting, data, 5-21 directory, 5-13 Diagnostics, C-1 -4, D-1 -31 clock and CMOS RAM check, C-2 diskette drive check, C-4, D-17 -20 dot-matrix printer check, D-24 -25 error codes and messages, D-29 -31 exiting system diagnostics
  • Epson Equity LT-286 Canada | User Manual - Page 180
    , 4-15, 5-16 -21 diagnostics, C-4, D-17 -20 double-density, 4-11 -12 double-sided, 4-11 -12 formatting, 5-13 -15 high-density, 4-11 -12 inserting, 4-14 problems, B-5 removing, 4-14-15 storing, 4-13-14 system, 1-14-15, 1-18-21 using, 4-11-16 write-protecting, 4-15 -16 Diskette drive, caring for, 4-13
  • Epson Equity LT-286 Canada | User Manual - Page 181
    2 Extended partition, 3-2 -3, 3-5 -6, 3-9 -10 F Features, Equity LT-286, 1 Files, copying, 5-16-21 Floppy disk. See Diskette Floppy file, 3-11 partitioning, 3-2-6 power switch, 4-17-20 preparing for use, 3-1-12 problems, B-6 -7 protecting data, 4-17 specifying in setup program, 2-7 turning off, 4-17
  • Epson Equity LT-286 Canada | User Manual - Page 182
    HELP utility, 5-22-23 High-density diskettes, 4-11 -12 I Inserting diskette, 4-14 Interface, AC adapter, 1-2 CRT, A- 1 parallel, 1-5, D-21 -22, D-27 -28, E-1 serial, 1-7, 1-12-13, D-22 -23, E-1 Internal self test, C-1 -4 K Keyboard, diagnostics check, C-3, D-7 -8 function key template, 4-10 layout,
  • Epson Equity LT-286 Canada | User Manual - Page 183
    LIGHTON utility, 5-30 -31 Loading operating system, 1-15 -19, 3-12, 5-2 M Making backup copies, 1-19 -21 Mass storage, 2-7, E-2 Math coprocessor, 1, 2-6, D-21 MENU utility, 5-24-25 Memory, 1, 2-3 -4, D-6 Monitor, external connecting, A-1 -2 selecting with DIP switch, 1-10 -12, 1-14 setup program
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    Partitioning hard disk, 3-2-6 Performing system diagnostics, D-1 -31 Plugging in power cord, 1-3 Port. See Interface Power, cord, 1-3 LED, 1-17, 4-3 requirements, 1-3, E-3 supply, E-2 switch, 1-16 turning off, 4-21 turning on, 1-15 -17 Power cord, connecting, 1-3 Power-on diagnostics, 1-17, C-1 -4
  • Epson Equity LT-286 Canada | User Manual - Page 185
    -23, E-1 RS-232C port, 1-7, D-22 -23, E-1 Service, where to get, 4 Setting DIP switches, 1-8-14 Setting up Equity LT-286, E-1 -4 Speed. See CPU speed Starting MS-DOS, 1-15 -19,3-12,5-2 Starting setup program, 2-2-3 Starting system diagnostics, D-1 -2 Storing diskettes, 4-13 -14 Support, customer
  • Epson Equity LT-286 Canada | User Manual - Page 186
    T Template, function key, 4-10 Troubleshooting, B-1 -7 Turning off computer, 4-21 Turning on computer, 1-15 -17 U Unpacking computer, 1-1-2 Using computer, 4-1 -21 Using diskettes, 4-11 -16 Using hard disk drive, 4-16 -20 V VGA, 2-6
  • Epson Equity LT-286 Canada | User Manual - Page 187
    Diskette drive Hard disk drive AC adapter cover Back panel DIP switches Serial interface Parallel connector interface
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