Dell Latitude CPi A - Manual (Page 71)

numeric keypad
Display Key Combinations
NOTE: On an external keyboard, use with the appropriate keys if the External Hot Key option is
enabled in the System Setup program.
Table 2. Display Key Combinations
Key Combinations Function
Incrementally decreases brightness.
Incrementally increases brightness.
Incrementally decreases contrast (no effect on an active-matrix display).
Incrementally increases contrast (no effect on an active-matrix display).
Toggles the computer's display between regular video mode and reverse video mode
(white on black). This key combination works only if the computer is in text mode; it has
no effect if the computer is running a graphical operating system or application program.
Toggles the computer’s display between expanded mode and regular video mode.
Switches the video image to the next display in the following sequence: the built-in
display, an external monitor, or both displays simultaneously.
Turns off the built-in display.*
* This key combination does not function with Advanced Configuration and Power Interface (ACPI).
Power Conservation Key Combinations
NOTE: On an external keyboard, use with the appropriate keys if the External Hot Key option is
enabled in the System Setup program.
Table 3. Power Conservation Key Combinations
Key Combinations Function
Turns off the built-in display*
Turns off the hard-disk drive*
Activates suspend or standby mode.
or
on French
keyboards Activates suspend-to-disk mode*
* This key combination does not function with ACPI.