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Epson Equity LT-286 Canada User Manual - Page 149

Dot-Matrix Printer Check

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Dot-Matrix Printer Check Use this option to check the following: l The operation of your printer in IBM-compatibility mode l The 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 print images from the graphics screen. When you select option 14 from the DEVICE LIST, you see this prompt: Is dot-matrix printer on-line (Y/N)? Check that your printer is connected to the computer, and that it is turned on, loaded with paper, and on-line. Press Y and then Enter to continue, or press N and Enter to return to the menu. When you continue the test, the computer checks to see whether the printer is responding correctly. This test detects whether the printer is off-line or whether an interface error exists. If no errors occur, the computer sends a repeating sequence of ASCII characters and dot graphics data to the printer until you press any key. The pattern looks like this: The text data includes all the characters commonly used by programs that require foreign languages or graphics characters. If your printer prints different characters from the ones you see in the illustration, you may need to take care with certain software. The bit-image graphics 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 MS-DOS GRAPHICS or GRAPH24 program to print out copies of graphics screens. D-24 Performing System Diagnostics

Section	Page
FRONT MATTER	1
CONTENTS	5
INTRODUCTION	10
How To Use This Manual	12
Where To Get Help	13
CHAP 1-SETTING UP YOUR SYSTEM	14
Unpacking	14
Connecting the AC Adapter	15
Charging the Battery	16
Connecting a Printer	17
Connecting to the Parallel Interface	17
Connecting to the Serial Interface	20
Setting the DIP Switches	21
Keyboard DIP Switches	22
Back Panel DIP Switches	25
Inserting the Startup/Operating 1 Diskette	27
Starting the System	28
Turning On the Computer	29
Adjusting Screen Contrast and Brightness	30
Initial Screen Display	31
Copying System Diskettes	32
CHAP 2-RUNNING THE SETUP PROGRAM	35
Starting the Setup Program	36
Memory	37
Display	38
Coprocessor	40
Mass Storage	41
Backlight Period	43
Gray Scale	44
Leaving the Setup Program	47
CHAP 3-PREPARING THE HARD DISK FOR USE	49
Creating a Primary Partition	51
Creating an Extended Partition	53
Formatting the Primary Partition	55
Formatting the Extended Partition	57
Copying the MS-DOS Files to the Hard Disk	58
Modifying the AUTOEXEC.BAT File	59
Booting From the Hard Disk	60
CHAP 4-USING THE EQUITY LT-286	61
Using the AC Adapter	61
Using the Battery	62
LED Indicators	63
Opening and Closing the Screen	64
Using the Handle	66
Selecting Execution Speed	67
Special Keys on the Equity LT-286 Keyboard	68
Using the Function Key Template	70
Using Diskettes	71
How Diskettes Work	71
Choosing Diskettes for the Equity LT-286	71
Caring for Diskettes	73
Inserting and Removing Diskettes	74
Making Backup Copies	75
Write-Protecting Diskettes	75
Using the Hard Disk Drive	76
Caring for the Hard Disk	76
Protecting the Data on Your Hard Disk	77
Improving Hard Disk Performance	77
Turning Off the Hard Disk	77
Turning Off the Hard Disk Before Starting the Computer	79
Turning Off the Hard Disk After Starting the Computer	79
Resetting the Computer	80
Turning Off the Computer	81
CHAP 5-USING MS-DOS WITH YOUR EQUITY LT-286	82
Starting MS-DOS	83
Exiting MS-DOS	83
Changing the Current Drive	83
The MS-DOS Command Format	84
Entering MS-DOS Commands	85
Storing Data	86
Using Directories	87
The Current Directory	88
Listing the Contents of a Directory	89
Using Pathnames	90
Creating Directories	92
Changing Directories	92
Copying From One Directory to Another	93
Deleting a Directory	94
Formatting Diskettes	94
Formatting a 1.44MB Diskette	95
Formatting a 720-KB Diskette	96
Copying Data	97
Using the DISKCOPY Command	97
Using the COPY Command	99
Using the BACKUP Command	101
Deleting Data	102
Using the Epson HELP Utility	103
Using the Epson MENU Utility	105
MENU Utility Options	105
Using the XTREE Utility	106
Running XTREE	107
Cautions	108
Using an AUTOEXEC.BAT File	109
Creating an AUTOEXEC.BAT File	110
Starting an Application Program	111
Using the LIGHTON Utility	111
APPENDIX A-CONNECTING AN EXTERNAL COLOR MONITOR	113
APPENDIX B-TROUBLESHOOTING	115
The Computer Won’t Start	115
The LCD Screen Is Blank	116
The Monitor Screen Is Blank	117
The Computer Locks Up	118
Low Battery Problems	118
Diskette Problems	119
Hard Disk Problems	120
APPENDIX C-POWER-ON DIAGNOSTICS	122
System Device Check	122
Clock and CMOS RAM Check	123
RAM Check	123
Keyboard Controller and Keyboard Check	124
Video and Video Controller Check	124
Diskette Drive Seek Check	125
Hard Disk Controller and Hard Disk Check	125
APPENDIX D-PERFORMING SYSTEM DIAGNOSTICS	126
Starting System Diagnostics	126
Modifying the DEVICE LIST	127
Selecting a Test	129
Resuming From an Error	130
System Board Check	131
Memory Check	131
Keyboard Check	132
Monochrome Display Adapter and CRT Check	133
Monochrome Adapter Check	134
Attribute Check	134
Character Set Check	134
Video Check	135
Sync Check	135
Run All Above Checks	135
Color Graphics Adapter and CRT	136
Color Graphics Adapter Check	136
Attribute Check	137
Character Set Check	137
40-Column Character Set Check	138
320x200 Graphics Mode Check	138
640x200 Graphics Mode Check	139
Screen Paging Check	140
Color Video Check	141
Sync Check	141
Run All Above Checks	142
Floppy Disk Drive and Controller Check	142
Sequential Seek Check	143
Random Seek Check	143
Write, Read Check	144
Speed Check	144
Disk Change Check	145
Run All Above Checks	145
Math Coprocessor (80287) Check	146
Parallel Port (Printer Interface) Check	146
Serial Port (RS-232C Port) Check	147
Alternate Serial Port Check	148
Dot-Matrix Printer Check	149
Hard Disk Drive and Controller Check	150
Seek Check	150
Write, Read Check	151
Read, Verify Check	151
Run All Above Checks	152
Alternate Parallel Port Check	152
Parallel Port (on Video Adapter) Check	153
Exiting System Diagnostics	153
Error Codes and Messages	154
APPENDIX E-SPECIFICATIONS	157
Main Unit	157
Interfaces	157
Keyboard	157
Mass Storage	158
Display	158
Power Supply	158
Power Requirements	159
Physical Dimensions	159
Environmental Requirements	159
Options	160
GLOSSARY	161
INDEX	177