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channel if it is already in use. If the channel is busy, press PTT key and a
warning tone will be sounded.
Analog Channel
This feature can restrict the channel if it is already in use you will be unable to
transmit. There are three options available: off, carrier, CTCSS/CDCSS, if
choose Off, whenever you press PTT key to transmit directly; If choose carrier,
you will be unable to transmit on the channel if the channel is being used by
others; If choose CTCSS/CDCSS, you will be unable to transmit on the
channel if it is already in use and the CTCSS/CDCSS code in use. If the
channel is busy, press PTT key and a warning tone will be sounded.
Analog Feature
On analog mode, the radio only supports four basic parts to operate, the menu
including scan, zone, settings, Voice Records.
Squelch Level: On the analog mode, this feature allows you to adjust the
squelch threshold required for the radio to un-mute. If two radios are at a close
distance, the signals are strong, squelch level can be higher; If two radios are
at a long distance, the signals are weak, squelch level can be lower. The
appropriate squelch level depends on the ambient RF noise conditions. You
can set SQL level as: 1 to 9, the default setting is level 3.
CTCSS/CDCSS: On analog channel, you can set unique CTCSS/CDCSS to
guarantee the privacy of your communication, if CTCSS/CDCSS has been set
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