Juniper Systems Allegro MX User Guide - Manual (Page 39)

3. You can enable the backlight and adjust the backlight
brightness by moving the Battery Power or External Power
slider up or down.
Adjusting the Backlight Timer
By default, the display backlight is set to turn off after one
minute of inactivity. To adjust the time when your backlight
turns off, follow these steps:
1. Tap Start > Settings > System tab > Backlight. The Backlight
window appears. To change the timer for external power,
tap the External Power tab.
2. Select or deselect the two options.
3. If you selected the first checkbox, choose the length of
time before the backlight turns off.
Adjusting the Contrast and Brightness
The mono screen on the Field PC unit has the option to control
the contrast. The color screen on the Field PC has the option to
control the brightness.
Press the ORANGE shift key and then the F4 to dim, or F5 to
brighten, the contrast or brightness.
Ch 5 Programs and Settings
3