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18 VHF 300 Series Owner’s Manual
Digital Selective Calling
Placing Calls
Placing Individual Calls
1. Press the DSC key.
2. Select INDIVIDUAL.
3. Select from the following options to select the place from which the MMSI number is
retrieved:
MANUAL—a screen is displayed that allows you to enter the MMSI number manually.
Select a number and move to the next character. When you have entered the correct
MMSI number, select ACCEPT.
DIRECTORY—the directory is displayed. Select an entry.
RECENT CALLS—a screen is displayed that allows you to select from your recent
calls. Select an entry.
4. After you have selected the vessel or entered the MMSI number manually, select the
channel on which you want to communicate. The radio transmits this request with your
call. See below for information on selecting a channel.
5. Select CALL.
The radio transmits the call on Channel 70 and returns to the current working channel. The
radio listens for an acknowledgement on Channel 70 while staying on the working channel.
After an acknowledgement is received, the radio automatically tunes to the channel you
selected.
Placing Group Calls
You can contact a group of specic vessels, such as a sailing club or otilla, by making a
group call. Before placing a call to a group, ensure that the MMSI number of the group is
entered into the memory. For more information on entering a group, see page 26.
1. Press the DSC key.
2. Select GROUP > CALL.
3. Select an entry.
4. After you have selected the group, select the channel on which you want to
communicate. The radio will transmit this request with your call. See below for
information on selecting a channel.
5. Select CALL. The radio transmits the call on Channel 70 and tunes to the channel you
selected.
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