Icom IC-R20 User Manual download pdf (Page 21)

CONVENTIONAL OPERATION

D Transmitting notes

• Transmit inhibit function

The transceiver has several inhibit functions which restrict trans-

mission under the following conditions:

- The channel is in mute condition.

- Channel is busy.

- Un-matched (or matched) CTCSS is received.

- The selected channel is a ‘receive only’ channel.

• Time-out timer

After continuous transmission for the pre-programmed time period, the

time-out timer activates, and causes the transceiver to stop transmit-

ting.

• Penalty timer

Once the time-out timer activates, transmission is further inhibited

for a period determined by the penalty timer.

D DTMF transmission

If the transceiver has [DTMF Autodial] assigned to it, the automatic

DTMF transmission function is available.

➥ Push [DTMF Autodial] to transmit the DTMF code.

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Icom IC-R20 User Manual Page 21