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18 Basic operation

English

Squelch

The radio’s squelch allows the radio to unmute only when the

strength of the incoming signal is above a predetermined

threshold. This means that only signals of reasonable intelli-

gibility are made audible.

Monitor

The monitor function is used to check that the channel is

clear before you make a call. While monitor is on, the green

LED flashes continually.

Activating monitor

1 Press the monitor function key and monitor overrides the

signalling mute, allowing you to hear any traffic on

the channel.

Note: Your radio may be programmed to activate monitor

whenever the microphone is off the microphone clip.

2 Press the monitor function key again to turn monitor off,

and the green LED no longer flashes.

Activating squelch override

1 Press and hold the monitor function key for longer than

one second to override both squelch and the

signalling mute.

This allows you to hear even faint and noisy signals.

2 Press the monitor function key again to return the radio

to a quiet state.

Note: Squelch cannot be overridden when the radio

is scanning.

Scanning

The scan function is used to monitor a programmed group of

channels, looking for activity. When activity is detected on a

scan group channel, the radio stops on that channel. The

amber LED flashes and, if the channel signalling is valid, the

Tait TM8115 User Guide

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