Professional
FM Transceiver
23
PRESET OPERATIONS
3.This transceiver is set with 16 groups of DTMF code, users can program and use them exibly.
Wide / Narrow Band Setup
The bandwidth can be set from either one of 25KHz(wide) /20KHz (normal) or 12.5KHz(narrow). Set
the proper channel-spacing value allocated to the radio services in your area. This is not a Channel-
step setting, but to determine the deviation width of the modulation.
Busy Channel Lockout
BCLO is to restrict transmitting while RX signal is received. When Busy Channel Lockout is set to
on, transmission is possible only in the specic conditions (and isn't possible otherwise).The alarm
beep sounds if the PTT key is pressed when transmission is prohibited.Busy Channel Lockout mode
available by programming software are as follows.
BCL:1. Enable BCL, carrier wave lockout, transmitting is prohibited when receives any carrier.
BTL: 2. Enable BTL, transmitting is prohibited when current channel receives a carrier signal that
CTCSS/DCS tones are different from your group's.
OFF:3. Busy channel lockout is disabled. Default is OFF.
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