Texas Instruments Extensa 600 Series - Manual (Page 53)

Using the Keyboard
2-32
Fn+F11 Turns the LCD backlight off (blanks
the screen). Press any key to turn it
back on.
Fn+F12 Toggles the screen output between the
LCD, external CRT or both
(
SIMULSCAN )
Fn+T Enables/disables the internal
touchpad
Fn+ ↑↑ Adjusts the brightness up
Fn+ ↓↓ Adjusts the brightness down
Fn+ → → Adjusts the contrast brighter
Fn+ ← ← Adjusts the contrast darker
Fn+End Toggles the speaker on and off