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Enabling automatic test call reply
If you want the radio to automatically reply to all test call, you can enable automatic test call reply.
1. Press and hold CALL-MENU to display the normal menu.
2. Select Setup and then Test Reply.Choose Auto and press ENT-1W/25W. The radio will automatically send an acknowledge-
ment when it receives a test call.
CALL
3. To disable automatic test call reply, repeat the steps above and select Manual.
Position Request and Reply
Requesting another station's position (POS Request)
Anytime you need to know where another boat currently is—to find your boating partners, to respond to a request for assistance,
etc.—you can send a position request to their radio:
1. Press CALL-MENU to display the call menu.
2. Select DSC Call sub-menu, then select POS Request.
3. The radio displays the names listed in your directory; use CHANNEL UP and CHANNEL DOWN to choose the directory entry
you want to contact and press ENT-1W/25W. If you want to contact 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 14). Enter all nine digits and press ENT-1W/25W.
4. The radio displays the MMSI number you are about to contact and asks you to confirm. If you want to request the position of
the displayed MMSI number, select Send. To cancel the request, select Cancel.
5. When the other station responds, the radio displays the MMSI number, the longitude, and the latitude of the other station. If
your radio is connected to a chartplotter through the NMEA OUT connection (see page 24), the position information will also
be displayed on the plotter screen.
6. If the other station does not have valid GPS data, the radio displays No Position.
Receiving a position request (Position Reply)
When another station requests your current position, the radio displays the following screen:
ENT
1W/25W
ENT
1W/25W
VHF490 RADIO
20
16
1-800-BOATING
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