Leica GPS1200 Series Technical Reference Manual page 449

Config...\General Settings...
Field Option
<Screen Off, Soft or Loud
Beep:>
<Screen Off, Always On,
Illum:> On for 1 min, On
for 2 min or On for
5 min
<Key Illum:> Off, Same as
Screen or Always
On
<Contrast:> From 0% to 100%
<Heating:> Automatic
Off
Next step
PAGE (F6) changes to the Beeps page. Refer to paragraph "CONFIGURE Display, Beeps,
Text, Beeps page".
Description
Controls the beep upon touching the touch screen.
Controls the screen illumination to be on, off or on for
the specified time after the last key was pressed, or
touch screen event.
Controls the keyboard illumination.
Adjust the contrast level for the display with the right
and left arrow key when the field is highlighted or
using the supplied stylus on the slider.
The screen heating comes on automatically at 5°C
and shuts off again at 7°C.
The screen heating never comes on.
GPS1200 449