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Basic Opeartions; Led Indicator - Retevis RB85 Bedienungsanleitung

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PTT switch
Side key 1
Side key 2

Basic opeartions

Led indicator

It lights red when transmiting, and lights green when receiving.
Channel-selecting knob
Rotate it to select channel 1-16, clockwise rotation to increase, counter-clockwise rotation to decrease. An alert
tone will sound when an empty channel is selected.
Power/Volume knob
Rotate it by clockwise to power on the radio. To turn off the radio, rotate it by counter-clockwise until a click
sound is heard, VOL control by rotating.
PTT switch
Press PTT switch and then talk to the microphone, the indicator light turns red, if the channel does not have
transmitting frequency,a "Du Du"tone sounds, and indicator light turns red.
Release PTT switch to receive. It lights green when there is signal.
Moni key
Monitoring: monitor your selected channel if anyone in the call, if no signal is loud "Rustle" sound.Both side-key
can be set to be Moni.
Squelch level
The squelch level will determine the signal strength to open the speaker of the radio. If the squelch level is lower,
the background noise of opening the radio's speaker will be higher,and the corresponding communication range
will be further, but the anti-interference capacity will be weaker. The default setting of squelch level is 5, you can
adjust it through the menu "Squelch level"of the"Optional features"in the software, level 0 to 9 can be selected.0
is the lowest level.
Time out timer(TOT)
The purpose of TOT is to prevent any radio from talking in one channel for too long, and to prevent the radio
from being damaged due to continuous transmission. If the transmitting time exceeds the TOT pre-set time, the
radio wil stop transmission and an alert tone sounds.
Release PTT switch to stop the alert tone, the radio resume to receiving mode.
Speaker/Microphone Jack
Battery Pack
Battery release latch
4

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