Juniper Archer 2 Owner's Manual page 23

Display Backlight Brightness Settings
The default setting for the display backlight is 80%. Adjust
the display brightness by pressing the brightness down
+ P3 , and brightness up button
button sequence, shift
+ P4 . You can also make brightness
sequence, shift
adjustments through the Backlight control panel, Start >
Settings> System > Backlight. (Note that External Power and
Battery Power are adjusted on different screens. Select
these screens from the horizontal scrolling menu near the
top of the screen.)
Move the Display slider up to brighten the backlight or
down to dim it.
Dimming the Display Automatically
The display has a minimum brightness setting that it dims
to when the Archer 2 is idle for the time interval indicated.
The display backlight dims by 50%, so the display is still
partially visible. You can adjust the dim time interval (see
the previous screen) for battery and/or external power.
Dimming the display backlight saves battery power.
To bring the backlight back up to the full brightness setting
tap on the dimmed display.
Note: The Archer 2 can be set up in subdued lighting
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Ch 2 Hardware Components