User Instructions
Busy Channel Lock-out function can be turned ON/OFF with the
programming software on each channel.
Long press the MONI button for 3 seconds to turn ON the
emergency alarm. Short press the MONI button again to turn OFF
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the emergency alarm. When the emergency alarm is turned on,
the radio can only make an alarm in itself, but it can not make an
alarm to another radio.
When you are receiving and no signals are present, the squelch
function can mute the speaker, so you can not hear the
background noise. If you want to switch the squelch function OFF,
short press MONI button. It is very helpful when you want to adjust
the volume and receive the weak signals. Short press MONI button
again to return to normal operation.










