Furuno 1850 has water in unit from rain, only noticed because couldnt get chart to work and looked in card slot. finder works plotter works but no chart. pulled unit to dry...would like it serviced before i install again...were should I send?
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n the system setup, under “UNITS” I set
BEARING to “MAG” (magnetic). This will cause the unit to display course /
bearing information in relation to the Magnetic North and match magnetic
compass readings. It is not the same as True North! One has to be careful with
this setting. There are a number of areas where the earth's magnetic field is
locally disturbed, sometimes very significantly. Your GPS may not account for
it.-again, under “UNITS” I set “METRIC”.
You need to determine if it's moisture or damage to the protective coating on the LCD glass. If the screen coating is damaged it will have patches or discoloration that resemble water spots like you see on windows and glasses exposed to hard water. If it's moisture between the glass and LCD you should be able to make out the tiny water droplets that are evenly spread throughout the screen. The only proper fix for a glass with damage to the protective coating is replacement of the bezel assembly. If it's moisture you can try inserting a few silica gel packs inside the unit. Don't try to disassemble the bezel (LCD/Screen) assembly. Just but the gel packs inside the 1650 chassis and give it a day or two. Otherwise, you're looking at factory repaire.
I think you have a C- Map card (black colour)clean the contacts with a contactcleaner if it not works try the card somewhere else
The C-Map card have problems that they work for a while and than stops inside the card a some memorychips and they losing contact
Furuno just stopped producing these models about a year ago. They use a special chart card. You can still purchase the cards from Navionics or C-map if you need to. I will tell you from experience that you should get your internal battery changed out if you havent done so already to keep from losing your settings and waypoints. The dealer will have to save them for you though and put them back on. Furuno made a GP7000 to replace this one and it's uses SDcards and is nothing like the rest of Furuno's product line. The best replacement for this unit is the Garmin GPSMAP 700 series. You can use your old furuno transducer if you have one (with an adapter plug). This garmin unit also has a built in GPS or you can use an external one. The 700 series will be shipped in April. Check out Garmin's website or mid-shore electronics.