AnyTone AT-289, Инструкция по эксплуатации

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Professional
FM Transceiver
24
BACKGROUND OPERATIONS
3.This transceiver is set with 16 groups of DTMF code, users can program and use them flexibly.
Wide / Narrow Band Setup
On the basis of national conditions, users can set channel spacing as 25K (wide band), 21K (
middle band) or12.5K (narrow band) to communicate on the transceiver by programming software.
This transceiver can realize 25K (wide band), 21K (medium band) or 12.5K (narrow band) as
communication way.
Busy Channel Lockout
When BCL function is enabled, you can not transmit in busy channel. BCL prevents you from
interfering with other parties who is using the same frequency point that you select. Under this
condition, if you press the [PTT] to transmit, the transceiver will emit beep prompt and return to
receiving mode.
Users can set Busy Channel Lockout mode by programming software.
Repeater (BTL): 1. Repeat lockout, transmitting is inhibited when current channel receives a
matched carrier with different CTCSS/DCS.
Carrier wave (BCL): 2. Carrier busy lockout, transmitting is inhibited when current channel receives
a matched carrier wave.
3. Close : BCL disabled, you can do transmission under whatever receiving state.