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VHF 300 Series Owner’s Manual 27
Digital Selective Calling
To enter position information:
1. Press the MENU key.
2. Select SYSTEM > MANUAL GPS.
3. For each number in the sequence, turn the Channel knob clockwise to increase the
number, and counterclockwise to decrease the number. When entering a direction
character, rotate the channel knob to switch between N or S and E or W.
Conguring the Automatic Channel Change Setting
This setting determines whether the radio automatically tunes to Channel 16 when receiving
the following types of calls:
Distress
Distress relay
All-ships urgency
Under certain conditions, you may want to disable automatic channel changing, such as
when you need to continually monitor a channel to maintain uninterrupted communication
with another vessel. When disabled, the icon is displayed on the screen.
1. Press the MENU key.
2. Select DSC > AUTO CHANGE CH.
3. Select from the following options:
ON—when a qualifying call is received, the radio automatically turns the channel to
Channel 16.
OFF—when a qualifying call is received, a message is displayed that prompts you to
accept or decline the changing of channels.
4. Press the MENU key to return to the Home screen.
Conguring the Automatic Position Reply Setting
You can congure the way your radio responds to incoming position requests.
1. Press the MENU key.
2. Select DSC > POSITION REPLY.
3. Select from the following options:
AUTO—the radio automatically and immediately sends position information to all
position inquiries.
MANUAL—the radio sends position information only after you review and approve
the request.
OFF—the radio does not send position information or notify you when a position
inquiry has been received.
4. Press the MENU key to return to the Home screen.
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