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Extended Desktop Mode, Changing the Display Settings for the Projector

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Considerations for Display Resolution and Aspect Ratio in Clone Mode If the projector has a lower display resolution and aspect ratio than the Tablet-PC display, then the Tablet-PC graphics subsystem uses the lowest display resolution and aspect ratio. Changing to a lower display resolution and aspect ratio alters the image quality. For example, if the Tablet-PC has a display resolution of 1280 x 800 pixels with a 16:10 aspect ratio and the projector is using a 1024 x 768 display resolution with a 4:3 aspect ratio, then you may notice that: • The projected image is not as sharp as it would be with a 1280 x 800 display resolution. The loss of sharpness is particularly noticeable when reading text. • Round objects appear flattened. This alteration is a result of shifting from the 16:10 to the 4:3 aspect ratio. Extended Desktop Mode Extended desktop mode enables you to configure two displays that each have their own attributes. You can use the Tablet-PC display in tablet mode with portrait orientation using a 1280 x 800 resolution, and the projector can use the standard landscape orientation at a lower resolution and aspect ratio. When using extended desktop mode, you start applications on the Tablet-PC and then "drag" the applications that you want to be viewed from the projector to the extended desktop. Extended desktop mode is useful when you want to maintain user activity on the Tablet-PC without displaying this activity with the projector. NOTE: When you initially connect the Tablet-PC to a projector, the Windows operating system asks you to specify default display settings. To enable extended desktop mode, select Show different parts of my desktop on each display (extended). To send the Tablet-PC display image to the projector, use the key combination. You can then "drag" the applications you want to project from the Tablet-PC to the extended desktop (the projector). You can change the default display settings at a later time. Changing the Display Settings for the Projector To change the default display settings: 1 Open the ATI CATALYST® Control Center: Using Your Tablet-PC With a Projector 97

Section	Page
Dell™ Latitude™ XT User’s Guide	1
Contents	3
Resources	13
Finding Information	13
Getting Help	21
Obtaining Assistance	21
Dell Support Service	21
Problems With Your Order	23
Product Information	23
Returning Items for Warranty Repair or Credit	24
Before You Call	24
Contacting Dell	26
About Your Tablet-PC	27
Front View	27
Left Side View	32
Right Side View	34
Back View	36
Top View	39
Bottom View	40
Pen View	41
Specifications	42
Setting Up and Using Your Tablet-PC	51
Transferring Information to a New Tablet-PC	51
Transferring Information in Windows Vista®	51
Transferring Information in Windows XP	51
Using Notebook Mode	54
Using Tablet Mode	55
Converting Your Tablet-PC Between Notebook and Tablet Modes	55
Right- and Left-handed Use	59
Screen Orientation	61
Controlling Your Tablet-PC in Tablet Mode	62
Using the Pen	65
Using Touch	70
Accessing Management Tasks and User Information	71
QuickSet	71
Control Panel	72
Help and Support	72
Windows Vista Mobility Center	72
Using a Battery	73
Battery Performance	73
Checking the Battery Charge	74
Power Meter	75
Conserving Battery Power	76
Power Management Modes	77
Configuring Power Management Settings	79
Charging the Main Battery	79
Removing the Main Battery	80
Installing the Main Battery	81
Storing a Battery	81
Using a Keyboard	82
Numeric Keypad	82
Key Combinations	82
Touch Pad	85
Changing the Track Stick or Pointer Cap	86
Using the Display	87
Adjusting Brightness on the LED Backlit Thin-and-Light LCD	88
Adjusting Brightness on the Dual-bulb (CCFL) LCD	88
Using Cards	89
ExpressCards	89
Smart Cards	91
Secure Digital (SD) Cards	93
Using Your Tablet-PC With a Projector	95
Display Positions	95
Classic Notebook	95
Tablet	95
Display Modes	96
Clone Mode (Mirrored)	96
Extended Desktop Mode	97
Changing the Display Settings for the Projector	97
Setting Up and Using Networks	99
Connecting a Network or Broadband Modem	99
Network Setup Wizard	100
Wireless Local Area Network (WLAN)	100
What You Need to Establish a WLAN Connection	101
Checking Your Wireless Network Adapter	101
Setting Up a New WLAN Using a Wireless Router and a Broadband Modem	102
Connecting to a WLAN	103
Mobile Broadband/Wireless Wide Area Network (WWAN)	105
What You Need to Establish a Mobile Broadband Network Connection	105
Checking Your Dell Mobile Broadband Card	106
Connecting to a Mobile Broadband Network	107
Enabling/Disabling the Dell Mobile Broadband Card	108
Managing Your Network Settings Through the Dell QuickSet Location Profiler	108
Dell Wi-Fi Catcher™ Network Locator	109
Microsoft®Windows® Firewall	109
Securing Your Tablet-PC	111
Security Cable Lock	111
Smart Cards and Biometric Readers	111
Passwords	112
About Passwords	112
Using a Primary (or System) Password	113
Using an Administrator Password	114
Using a Hard Drive Password	114
Trusted Platform Module (TPM)	115
Enabling the TPM Feature	116
Security Management Software	116
Activating the Security Management Software	116
Using the Security Management Software	117
Computer Tracking Software	117
If Your Tablet-PC Is Lost or Stolen	117
Cleaning Your Tablet-PC	119
Tablet-PC, Keyboard, and Display	119
Touch Pad	119
Optical Drives and Optical Drive Media	120
Troubleshooting	121
Dell Diagnostics	121
When to Use the Dell Diagnostics	121
Starting the Dell Diagnostics From Your Hard Drive	121
Starting the Dell Diagnostics From the Drivers and Utilities Media	123
Dell Diagnostics Main Menu	123
Dell Support Utility for Windows Vista	125
Accessing the Dell Support Utility	125
Clicking the Dell Support Icon	126
Windows Hardware Troubleshooter	126
Solving Problems	126
Hard Drive Problems	127
Optical Drive Problems	128
E-Mail and Internet Problems	128
Error Messages	129
IEEE 1394 Device Problems	130
Lockups and Software Problems	130
Memory Problems	132
Network Problems	133
Power Problems	133
Printer Problems	134
Scanner Problems	134
Sound and Speaker Problems	135
Touch Pad or Mouse Problems	136
Troubleshooting Stylus and Touch Problems	137
Display Problems	138
Power Lights	139
Using the System Setup Program	141
Overview	141
System Setup Screens	142
Viewing the System Setup Screens	142
Commonly Used Options	142
Changing the Boot Sequence	142
Reinstalling Software	145
Drivers	145
What Is a Driver?	145
Identifying Drivers	145
Reinstalling Drivers and Utilities	146
Restoring Your Operating System	148
Using Microsoft Windows System Restore	149
Using Dell Factory Image Restore	150
Using the Operating System Media	151
Adding and Replacing Parts	155
Before You Begin	155
Recommended Tools	155
Turning Off Your Tablet-PC	155
Before Working Inside Your Tablet-PC	156
Main Battery	157
Removing the Main Battery	158
Installing the Main Battery	159
Hard Drive	159
Removing the Hard Drive	160
Installing the Hard Drive	161
Subscriber Identity Module (SIM) Card	162
Removing the SIM Card	162
Installing the SIM Card	163
Internal Card With Bluetooth® Wireless Technology	163
Remove the Internal Card Caddy	164
Installing a Bluetooth Card	165
Installing the Main Battery	167
Memory and Mini-Card Cover	167
Removing the Memory and Mini-Card Cover	168
Installing the Memory and Mini-Card Cover	168
Memory	168
Removing a Memory Module	169
Installing a Memory Module	169
Mini-Card	170
Removing a Mini-Card	171
Installing a Mini-Card	173
Hinge Cover	174
Removing the Hinge Cover	174
Installing the Hinge Cover	175
Keyboard	175
Removing the Keyboard	176
Installing the Keyboard	177
Coin-Cell Battery	177
Removing the Coin-cell Battery	178
Installing the Coin-Cell Battery	178
Display Assembly	179
Removing the Display Assembly	179
Installing the Display Assembly	182
Palm Rest	186
Removing the Palm Rest	186
Installing the Palm Rest	189
System Board	189
Removing the System Board	189
Installing the System Board	191
Fan	191
Removing the Fan	191
Installing the Fan	193
Pen and Whip Antenna Assembly	193
Removing the Pen and Whip Antenna Assembly	193
Installing the Pen and Whip Antenna Assembly	195
Wireless Switch	195
Removing the Wireless Switch	195
Installing the Wireless Switch	197
Dell™ D/Bay	199
About the Dell D/Bay	199
Setting Up and Using the D/Bay	199
Removing and Installing Devices When the Tablet-PC Is Turned Off	200
Removing and Installing Devices While the Tablet-PC Is Running	201
Media Base (Optional)	203
Left View	203
Right View	204
Back View	204
Top View	208
Setting Up Your Media Base	209
Securing the Media Base	210
Docking Your Tablet-PC to the Media Base	211
Undocking Your Tablet-PC From the Media Base	212
Installing the Optical Drive in the Media Base	213
Removing the Optical Drive From the Media Base	213
Media Base Specifications	214
Battery Slice (Optional)	217
Top View	217
Bottom View	218
Setting Up Your Battery Slice	218
Docking Your Tablet-PC to the Battery Slice	219
Undocking Your Tablet-PC From the Battery Slice	220
Charging Your Battery Slice	222
Battery-Slice Power-Status LED	222
Battery Slice Specifications	222
Traveling With Your Tablet-PC	225
Identifying Your Tablet-PC	225
Packing the Tablet-PC	225
Travel Tips	226
Traveling by Air	227
Appendix	229
FCC Notice (U.S. Only)	229
FCC Class B	229
Macrovision Product Notice	230

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Using Your Tablet-PC With a Projector

Considerations for Display Resolution and Aspect Ratio in Clone Mode

If the projector has a lower display resolution and aspect ratio than the

Tablet-PC display, then the Tablet-PC graphics subsystem uses the lowest

display resolution and aspect ratio. Changing to a lower display resolution and

aspect ratio alters the image quality.

For example, if the Tablet-PC has a display resolution of 1280 x 800 pixels

with a 16:10 aspect ratio and the projector is using a 1024 x 768 display

resolution with a 4:3 aspect ratio, then you may notice that:

•

The projected image is not as sharp as it would be with a 1280 x 800

display resolution. The loss of sharpness is particularly noticeable when

reading text.

•

Round objects appear flattened. This alteration is a result of shifting from

the 16:10 to the 4:3 aspect ratio.

Extended Desktop Mode

Extended desktop mode enables you to configure two displays that each have

their own attributes. You can use the Tablet-PC display in tablet mode with

portrait orientation using a 1280 x 800 resolution, and the projector can use

the standard landscape orientation at a lower resolution and aspect ratio.

When using extended desktop mode, you start applications on the Tablet

and then "drag" the applications that you want to be viewed from the

projector to the extended desktop. Extended desktop mode is useful when

you want to maintain user activity on the Tablet-PC without displaying this

activity with the projector.

NOTE:

When you initially connect the Tablet-PC to a projector, the Windows

operating system asks you to specify default display settings. To enable extended

desktop mode, select

Show different parts of my desktop on each display

(extended)

. To send the Tablet-PC display image to the projector, use the <Fn><F8>

key combination. You can then "drag" the applications you want to project from the

Tablet-PC to the extended desktop (the projector). You can change the default

display settings at a later time.

Changing the Display Settings for the Projector

To change the default display settings:

Open the ATI CATALYST

Control Center: