Using the keyboard and touch pad, Numeric keypad, Key combinations – Dell Latitude D520 User Manual
Page 42: System functions, Battery, Cd or dvd tray, Display functions

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Using the Keyboard and Touch Pad
Dell™ Latitude™ D520 User's Guide
Numeric Keypad
The numeric keypad functions like the numeric keypad on an external keyboard. Each key on the keypad has multiple functions. The keypad numbers and
symbols are marked in blue on the right of the keypad keys. To type a number or symbol, hold down
l
To enable the keypad, press
light indicates that the keypad is active.
l
To disable the keypad, press
Key Combinations
System Functions
Battery
CD or DVD Tray
Display Functions
Switches the video image to the next display option. The options include the integrated display, an external monitor, and both
displays simultaneously.
key
Decreases brightness on the integrated display only (not on an external monitor).