GPS signal okay but no DGPS on my GP35
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        Question
My GP35 works as a GPS but the differential correction is not functioning. What could be wrong?
Solution
Please check the DGPS SETUP menu and confirm that BEACON is set to INTERNAL and STATION is set to AUTO. These settings control the differential operation. Also check I/O SETUP menu, set DATA 2 to BEACON. If this does not correct the problem, have the unit checked by an authorized Furuno representative.

 
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