Power conservation key combinations, Processing speed key combinations – Dell Latitude CSx H User Manual
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* This key combination may not be supported by future operating systems.
Power Conservation Key Combinations
Use the key combinations in Table 3 to activate or turn off the computer's power conservation features.
Table 3. Power Conservation Key Combinations
* This key combination may not be supported by future operating systems.
Processing Speed Key Combinations
Use the key combinations in Table 4 to change the computer's processing speed.
Table 4. Processing Speed Key Combinations
<Fn> + down arrow
Incrementally decreases brightness.
<Fn> + up arrow
Incrementally increases brightness.
<Fn> + right arrow
Has no effect on your computer.
Decreases contrast on passive-matrix displays; has no effect on active-matrix
displays.
<Fn> + left arrow
Has no effect on your computer.
Increases contrast on passive-matrix displays; has no effect on active-matrix
displays.
<Fn><F5> *
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.
<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><d>*
Turns off the display.
NOTES: Contrast cannot be changed on an active-matrix (thin film transistor [TFT]) display, such as the display in your computer.
To use key combinations on an external keyboard, enable the
External Hot Key
option in the System Setup program and use <Scroll
Lock> instead of <Fn>.
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.
Key Combinations
Function
<Fn><d>*
Turns off the display
<Fn><h>*
Turns off the hard-disk drive
<Fn><Esc>*
Activates suspend or standby mode
<Fn><a> or
<Fn><q> on French
keyboards
Activates suspend-to-disk mode
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.
<Fn><\> *
Switches between the microprocessor's maximum speed and a slower
compatibility speed