Chapter 2: Operation
Basic MF/HF radio communication
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Oper
ati
o
n
Basic MF/HF radio communication
You can make radio calls using the Handset or another speaker device.
•
Ship-to-ship communication: Use simplex channels.
•
Ship-to-shore communication: Use duplex channels.
Only valid frequencies and channel numbers are accepted.
Quick guide to radio telephone calls
1. Check that the MF/HF radio is in
SSB
mode. If necessary, press the button
MODE
to switch to
SSB
.
2. Enter an RX and TX frequency, for example
2182 kHz
, the
international calling and Distress frequency for maritime
radiotelephone communications on the marine MF bands.
•
First press on RX/TX button: Enter Rx frequency.
•
Second press on RX/TX button: Enter Tx frequency.
•
Long press on selector knob: Edit mode to fine-tune frequencies. In
SSB mode (Voice clarify), in 10 Hz steps. One more press changes the
step size to 100 Hz.
3. Take the handset off the hook and press the
PTT
button on the speaker
device. Now the antenna is tuned and a tuning symbol is displayed.
