Motorola ASTRO XTS 2500 III Training Manual page 83

Display Light
(Side Button 1)
Light
Button
®
ASTRO XTS™ 2500 Model III
If poor light conditions make the display or keypad
difficult to read:
Turn on the radio's backlights by pressing the Light
button.
These lights will remain on for a preprogrammed time
before they turn off automatically (15 seconds).
OR
You can turn them off immediately by pressing the Light
button again.
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