Marine Electronics Forum

garmin 4212 help

Old 04-29-2008, 03:09 PM
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Default garmin 4212 help

i just recently installed a new garmin 4212 and ive been playing around with it in the driveway.the problem im having is the compass bearing on the gps is synificantly diffeernt than the fixed mounted compass on top of the dash,also the little cursor boat thing on the screen is not facing the same direction as the bow of the boat ive tryed everything to fix it and i cant figure it out.i have no overhead obstructions or anything in the driveway.any help you could give me i would be greatly appreciative thanks jim
Old 04-29-2008, 04:11 PM
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Default Re: garmin 4212 help

There's no problem. You have to be under way for it to tell which way it's headed. If you want to know the heading while motionless you'll be required to install an electronic compass and interface it with your 4212.
Old 04-29-2008, 04:14 PM
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Default RE: garmin 4212 help

je .....

There is nothing wrong with your unit it's perfectly normal for your boat symbol to be pointing one direction and your magnetic compass another when your stationary. It's caused by GPS position accuracy error.I guaruntee once you get underway you GPS compass heading and magnetic compass heading will match up. To prove my point and sooth your apprehension ... after you've had your unit on for about 30 minutes and your stationary decrease the range on your unit down to 300 - 500 feet and look how your GPS track plot wonders around. Remember this anomaly only happens when your stationary.

Don't worry anymore there is nothing wrong with you unit or install.

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