Keyboard shortcuts, Battery, Cd or dvd tray – Dell LATITUDE D400 User Manual
Page 71: Display functions, Power management, Speaker functions

Enables and disables the scroll lock
Battery
Displays the
CD or DVD Tray
Ejects the tray out of the drive (if
Display Functions
Switches the video image to the next display option. The options include the integrated display, an external
monitor, and both displays simultaneously.
Increases brightness on the integrated display only (not on an external monitor).
Decreases brightness on the integrated display only (not on an external monitor).
Radios (Including Wireless Networking and Bluetooth™)
Enables and disables radios, including wireless networking and Bluetooth (both optional)
Power Management
Activates a power management mode. You can reprogram this keyboard shortcut to activate a different power
in the Power Options Properties window.
Speaker Functions
Increases the volume of the integrated speaker and external speakers, if attached
Decreases the volume of the integrated speaker and external speakers, if attached
Enables and disables the integrated speaker and external speakers, if attached