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Keyboard: Dell Latitude L400 User's Guide
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Keyboard: Dell™ Latitude™ L400 User's Guide
As you work, you may want to use the embedded numeric keypad (see Figure
1) to enter numbers in spreadsheet or financial programs. The embedded numeric keypad
shares some of the keys on your computer's keyboard. On these keys, the number and symbol
characters of the numeric keypad appear in blue to the right of the main keypad
characters. To activate the embedded numeric keypad, press <Fn><Pad Lock> (the
Pad Lock indicator lights up
while the embedded numeric keypad is active).
Figure 1. Embedded Numeric Keypad
Some key combinations can be used whether or not the keypad is activated.
Use the numeric keypad combinations in Table 1 to enable and disable several numeric
keypad functions.
Table 1. Embedded Numeric Keypad Key Combinations
| When Keypad Is On |
Function |
| <Fn><F9> |
Toggles the embedded numeric keypad off |
| When Keypad Is Off |
Function |
| <Fn><F9> |
Toggles the embedded numeric keypad on |
Use the key combinations in Table 2 to adjust the computer's
display.
Table 2. Display Key Combinations
| Key
Combinations |
Function |
| <Fn> + down
arrow |
Incrementally
decreases brightness |
| <Fn> + up
arrow |
Incrementally
increases brightness |
| <Fn><F7>
|
Toggles the
computer’s display between expanded video mode and regular video mode |
| <Fn><F8>
|
Switches the
video image to the next display in the following sequence: the display, an external
monitor, or both displays simultaneously |
| <Fn><F1>
|
Turns off the
display |
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NOTES: Contrast cannot be changed on an
active-matrix (thin film transistor [TFT]) display, such as the display in your computer.
The <Fn><F1>
and <Fn><F8> key combinations can be used from an external
keyboard by enabling the External Hot-Key option
on the Advanced screen in the system setup program,
and then pressing <Scroll Lock> instead of <Fn>.
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NOTE: The key
combinations in Table 3 can be used from an external keyboard by enabling the External Hot-Key option
on the Advanced screen in the system setup program,
and then pressing <Scroll Lock> instead of <Fn>. |
Use the key combinations in Table 3 to activate or turn off the
computer's power conservation features.
Table 3. Power Conservation Key Combinations
| Key Combinations |
Function |
| <Fn><F1> |
Turns off the display |
| <Fn><F3> |
Displays the battery status
icon |
| <Fn><Esc> |
Activates suspend
or standby mode |
<Fn><a>* or
<Fn><q>* on French keyboards |
Activates suspend-to-disk (S2D) mode |
* This key combination does not function under an operating
system with the Advanced Configuration and Power Interface (ACPI), such as Microsoft®
Windows® 98, Windows 2000, or Windows Me.
Use the key combinations in Table 4 to adjust the computer's speaker
volume and to enable and disable the speakers.
Table 4. Speaker Key Combinations
| Key Combinations |
Function |
| <Fn><F5> |
Increases the volume of the
integrated speaker and the external speakers, if attached |
| <Fn><F6> |
Decreases the volume of the
integrated speaker and the external speakers, if attached |
Use the key combinations in Table 5 to boot the computer in MS-DOS®
mode and enter the system setup program.
Table 5. System Function Key Combinations
| Key Combinations |
Function |
| <Ctrl><Alt><Del>
|
Restarts (reboots) the
computer in MS-DOS mode. In Windows 98, Windows NT®,
Windows 2000, and Windows Me, click
the Start button and click Shut Down. |
| <F2> |
Enters the system setup
program (at system start-up only). |
To eject
the CD-ROM or DVD-ROM tray, press <Fn><e>.
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