Uniden UM380 Owner's Manual page 26

Call type What it does
Individual Calls a single station using the
User MMSL.
Group Calls all the stations that have the
same Group MMSL as yours.
All Ships Calls all stations within range of
your radio.
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:
Throughout the race, you use
group calling to update the
x
racers on the time, race status,
and any course corrections.
A power boat full of
spectators comes a little too
x
close to the race path. You use
individual calling to contact
the power boat and advise
them to stay clear of the race.
You see a rowboat entering
the area, but since it doesn't
x
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 station
To call a single station with DSC,
(Individual Call)
follow the steps below:
1. Press
2. Select Individual.
CALL-MENU
3. The radio displays the names listed in your directory; use
to choose the directory entry you want to call and press
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
.
4. The radio prompts you to select a response channel. Use
1W/25W
to scroll through the available channels. When you reach the channel you want to use for
a response, press the
20 English
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All ships call
to display the call menu.
button.
ENT-1W/25W
When to use it
Any time you want to talk to another
station.
Any time you want with the whole
group you are traveling with at the
same time.
Safety warnings (e.g., debris in the
water) or any urgent situation.
Individual
call
and
.
CHANNEL UP
ENT-1W/25W
and
CHANNEL UP
All ships call
Group
call
CHANNEL DOWN
ENT-
CHANNEL DOWN