Uniden UM415BK Owner's Manual page 25

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

racers on the time, race status,
and any course corrections.
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.
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 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 22) 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
5. The radio displays the MMSI number you are about to call and asks you to confirm. If you
want to call the displayed MMSI number, select Send. To cancel the call, select Cancel.
6. The radio automatically switches to channel 70 to transmit the call request.
When the other station accepts the call, both radios switch to the selected response
channel for voice transmission.

If the other station cannot respond on the channel you selected, the radio displays Not

support CH.
All ships call All ships call
to display the call menu.
button.
ENT-1W/25W
Individual Individual
call call
.
CHANNEL UP
ENT-1W/25W
CHANNEL UP
All ships call All ships call
Group Group
call call
and
CHANNEL DOWN
ENT-
and
CHANNEL DOWN
English
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