Chapter 2: Operation
16
Basic MF/HF radio communication
4. When the TX indicator lights up and the transmission power bar shows
activity, the transmission is active. Always say “Over.” before releasing the
PTT button.
5. To receive a radio signal, release the
PTT
button. When receiving a signal,
the bar for received signal strength shows activity.
Receiving a radio telephone call
When you hear your ship’s name or call sign in
the loudspeaker, the symbol
RX
shows that the
radio is receiving on the frequencies displayed
and the bar for received signal strength shows
activity. Proceed as follows:
1. Lift the Handset or take another speaker
device.
2. Press the
PTT
button and wait until the tune icon has
disappeared. The symbol
TX
shows that the radio is transmitting
on the frequencies displayed and the transmission power bar shows
activity.
3. Repeat the name of the station calling you and say: “This is [your ship’s
name]”.
4. Suggest a frequency pair by saying: “Frequencies [suggested frequencies]”
and “Over.” and release the
PTT
button to allow the caller to confirm the
suggested new frequencies.
5. Switch to the new frequencies using the RX/TX button and the keypad and
begin your conversation. Press
PTT
only when you are talking.
Note
The radio tunes first time you press the PTT button on a
new frequency.
As long as the tuning symbol is in the
display, the radio is not transmitting. Wait until the tuning symbol
has disappeared before talking. Tuning may take from 0.1 s to 8 s.
Tune
CALL
ALERT
DROBOS
MORE
MMSI: 123456789
N 12°34.5678
E 123°45.6789
GPS
4357.0
4065.0
SSB 401
SQ
kHz/Tx
kHz/Rx
22:07
Tune
