Key Combinations - Dell Inspiron 3800 System Reference Manual

Using the Computer: Dell Inspiron 3800 System Reference
<Num Lk>
<Fn><key>
<Fn><Shift><key>
<Shift><cursor key>
When Keypad Is Off
<Num Lk>
<Fn><cursor key>

Key Combinations

Display Key Combinations
NOTE: When using the integrated keyboard, you press <Fn> and the appropriate keys to perform certain functions (see
perform such functions on an external keyboard, you press <Scroll Lock> and the appropriate keys. You must be sure that the
External Hot Key option is enabled in the System Setup program.
Use the key combinations in Table 2
NOTE: The display key combinations function for super-twist nematic (STN) displays only.
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.
<Fn> + left arrow Increases contrast, which has no effect on an active-matrix display.
<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 mode and regular video mode.
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Toggles the embedded numeric keypad off
Temporarily disables the embedded numeric keypad; enables the lowercase characters/functions of the keyboard
Temporarily disables the embedded numeric keypad; enables the uppercase characters/functions of the keyboard
Temporarily enables a cursor-control key in the embedded numeric keypad
Function
Toggles the embedded numeric keypad on
Temporarily enables a cursor-control key in the embedded numeric keypad
to adjust the computer's display.
Table 2). To