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Lowrance - LVR-250 Installation and Operation Instructions 11
CAUTION
You can’t make any DSC transmissions until you’ve obtained a user MMSI and entered it
into your LVR-250.
Set Up the Radio
The user MMSI is a unique nine digit number, similar to a personal telephone number. It is
used on marine transceivers that are capable of using DSC (Digital Select Calling).
If you don’t have a user MMSI contact the appropriate authorities in your country. If you’re
unsure who to contact, consult your Lowrance dealer.
Enter Your User MMSI
Refer to 4.2 Enter your user MMSI.
Wiring for GPS/COM connector
Pin Wire Function Notes
1 Red
No connection (Not used)
2 Orange OUT (+) (To )
3 White Program/clone
(Not used)
4 Green IN (-) (From )
5 Yellow
IN (+) (From )
6 Black
OUT (-) (Ground)
7 Blue
No connection (Not used)
8 Grey
No connection (Not used)
8 Grey
2 Orange
4 Green
1 Bare wire
6 Black
5 Yellow
3 White
7 Blue