Listen Technologies 863 MHz Portable Radio User Manual


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49
LR-400/500
Squelch
The purpose of squelch is to mute the audio output of your receiver when the signal from the
transmitter is turned off or is too weak to be received. Without squelch you would hear radio noise
in your earphone. The squelch on your receiver can be adjusted so that it will mute the audio on
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LR-400/500 Operating Instructions
Set the squelch setting to the highest level
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transmitters, set the squelch setting to the highest level that
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If the receiver is close to the transmitter, set the squelch high
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transmitter is turned off it immediately squelches and ignores
transmitters in other rooms.
If in an area that has a lot of interference, set the squelch high
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set the squelch setting to a high setting to ensure the
interference is not picked up by the receiver.
Squelch
Setting
Squelch
0
1
2
3
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4
5
6
8
9
10
11
12
13
14
15
16

18
19
20
No Squelch
Loose Squelch
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Tight Squelch
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For maximum amount of range, set the squelch to a low level
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NOTE: Default squelch setting is 3
CAUTION:
When setting the squelch level low the reliability of squelch
function is compromised. This will cause radio noise to be heard
in the earphone and there is a possibility of hearing damage.
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