Motorola ME4851 - Manual (Page 58)

Adjusting the ring volume
In standby mode (when the phone is idle):
1. Press the UP/DOWN to increase/decrease the volume.
There are 5 volume levels. You will hear an single tone when you reach the highest
or lowest volume.
Wireless Headset lights and alert tones
LIGHTS AND TONES DESCRIPTION
Red and green lights Wireless Headset is in registration mode
flash alternatively
Red LED ON continuously
Wireless Headset never registered to any base
Red light flashes slowly and Batteries are low and need charging
you hear a warning alert of a
single long beep every 20
seconds. (Standby time up
to 72 hours and talk time up
to 6 hours.)
Red light flashes and a
Wireless Headset is out of communication range
warning alert of two beeps with the base, you will need to move
every 5 seconds. closer to the base.
(Range up to :
depending on environment) 57
U
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g
W
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es
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H
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-indoor approx 25m
-outdoor approx120m