User's Manual

17
Specifications
Programmable Keys Other User-Definable Keys
P1, P2 (28-key) SCAN key and four side triggers on each side of the touch screen
P1, P2, P3 and P4 (59-key) Four side triggers on each side of the touch screen
1.4 TOUCH SCREEN
The mobile computer comes with a 2.8" TFT graphic LCD, 320 by 240 pixels resolution
(QVGA). The LED backlight of screen, which helps ease reading under dim environments,
can be controlled manually and automatically.
Warning: Using backlight while on battery power will substantially reduce battery
power. It is suggested to dim the backlight while working in a well-lit area
or automatically turn off the mobile computer when not in use.
1.4.1 ADJUSTING THE BACKLIGHT
The LED backlight of the screen can be turned on and adjusted decreasingly or
increasingly by the following key combinations. Keep pressing the key combination until
the luminosity is decreased or increased to a desired level.
Key Combination
Action
, ([Backlight], [DOWN] for 29-key)
, ([[Backlight], [DOWN] for 43-key)
T
urn ON the backlight of LCD and decrease its
luminosity
, ([[Backlight], [UP] for 29-key)
, ([[Backlight], [UP] for 43-key)
T
urn ON the backlight of LCD and increase its
luminosity
Note: Press the [FN] key first, and then press the second key for adjustment.
 Go to Start > Settings > Control Panel and double-tap the Display icon.
1. Tap the Backlight tab. (left below)