Motorola GM360 Specifications download pdf (Page 36)

Making a selcall

• Pick up the handset. Press the PTT or Scan to cancel scanning.

• Press Mute key to enable the speaker.

• Either use the Scroll key to choose a calling channel, or press the Find

key, type in the channel number and press Tick .

• Select required mode (USB or LSB) by pressing 3.

• Ensure the channel is not in use before commencing the call.

• Press Call and type in the selcall ID of the remote station. Confirm with

Call

. Your radio will hear the radio making the call. If the call is

successful, you will hear the remote radio answer with 6 short beeps.

• Wait for the radio operator to answer. Press the PTT and talk into the

microphone

• If the call was unsuccessful, repeat from step 3, selecting a different calling

channel.

• Either use the Scroll key to change to a working channel, or press the

Find key, type in the channel number and press Tick .

• When the conversation is finished, press Scan .

Channel Test Call (Selective Beacon Call)

Selective channel test calls assists determining the best channel to use before calling a

station to talk or send information.

When sending a selective channel test call, the

receiving station acknowledges the call by

sending a beacon revertive signal consisting

of 4 long beeps. Compare the quality of the

revertive signal to decide the channel having

the strongest signal suitable for

communication.

CODAN NGT SR HF Radio

“Base Station”

Selective channel test calls allows checking

channel conditions without disturbing stations

on the network by frequent test calls. A

transceiver receiving a selective channel test

call does not record the call or alert the

operator.

Radio Operators Training Manual Version 27/11/2007 34

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Motorola GM360 Specifications Page 36