Chapter 2: Operation
10 VHF radio communication
Basic VHF operation
You can make VHF calls using the Handmicrophone or another speaking
device.
Quick guide to radio telephone calls
1. Press the PTT button on the speaking device. When the TX
indicator lights up in the display, the transmission is active.
2. To enable reception of a radio signal release the PTT button.
Receiving a radio telephone call on channel 16
When you hear your call name in the loudspeaker,
proceed as follows:
1. An RX symbol shows that the radio is receiving
on the channel displayed.
2. Lift the Handmicrophone or take the handset.
3. Press the PTT key. A TX symbol shows that the
radio is transmitting on the channel displayed.
4. Repeat the name of the station calling you and
say: “This is [your ship’s name]”.
5. Suggest a working channel other than 16 by
saying: “Channel [suggested channel number]”.
6. Say: “Over.” and release the PTT key to allow the caller to confirm the
suggested new channel.
Note
A single, short press on the 16/C key will always bring
you to channel 16, the international calling and
distress channel, no matter what menu the radio is in.
Note
Press PTT only when you are talking. Always say “Over.” just
before releasing the PTT button.
Note
One transmission is limited to 5 minutes duration.