Dell Latitude CPx J - Manual (Page 89)

<Shift><cursor key> Temporarily enables a cursor-control key in the embedded
numeric keypad
When Keypad Is Off Function
<Num Lk> Toggles the embedded numeric keypad on
<Fn><cursor key> Temporarily enables a cursor-control key in the embedded
numeric keypad
<Fn><Shift><number key> Temporarily enables a number or symbol key in the embedded
numeric keypad
Display Key Combinations
NOTE: On an external keyboard, use <Scroll Lock> with the appropriate keys if the External Hot Key
option is enabled in the System Setup program.
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> + right arrow Decreases contrast, which has no effect on an active-matrix display. (Not
supported on DSTN screens.
1
)
<Fn> + left arrow Increases contrast, which has no effect on an active-matrix display. (Not
supported on DSTN screens.
1
)
<Fn><F5>
(not supported on Dell
Latitude CPx H-Series/J-
Series)
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. (Not supported on the
Dell Latitude CPx H-Series/J-Series portable computer with ATI Mobility M1
video controller.)
<Fn><F7> Toggles the computer’s display between expanded 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. This key
combination may not be supported under certain conditions.
2