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Call type What it does When to use it
Individual Calls a single station using the
User MMSL.
Any time you want to talk to another
station.
Group Calls all the stations that have the
same Group MMSL as yours.
Any time you want with the whole
group you are traveling with at the
same time.
All Ships Calls all stations within range of
your radio.
Safety warnings (e.g., debris in the
water) or any urgent situation.
Suppose you are coordinating safety for a sailboat race. Before the race starts, you instruct all
the racers to enter your group MMSI number into their radios. During the race:
x Throughout the race, you use
group calling to update the
racers on the time, race status,
and any course corrections.
x A power boat full of
spectators comes a little too
close to the race path. You use
individual calling to contact
the power boat and advise
them to stay clear of the race.
x You see a rowboat entering
the area, but since it doesn’t
have a radio, you can’t
communicate with the
rowboat. You use all ships
calling to alert all the other
boats in the area of the
possible danger.
Calling a single staon
(Individual Call)
To call a single station with DSC,
follow the steps below:
1. Press
CALL-MENU
to display the call menu.
2. Select Individual.
3. The radio displays the names listed in your directory; use
CHANNEL UP
and
CHANNEL DOWN
to choose the directory entry you want to call and press
ENT-1W/25W
.
If you want to call a station that is not in your directory, select Manual. The radio
prompts you to enter the MMSI number you want to call. Enter the MMSI number the
same way you enter directory entries (see page 23) Enter all nine digits and press
ENT-
1W/25W
.
4. The radio prompts you to select a response channel. Use
CHANNEL UP
and
CHANNEL DOWN
to scroll through the available channels. When you reach the channel you want to use for
a response, press the
ENT-1W/25W
button.
All ships call
Group
call
Individual
call
All ships call