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post #1 of 6 Old 12-05-2010 Thread Starter
TQA
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Garmin 72 Problem

I have two Garmin 72 GPS units which came with the boat.

Both have exibited the same problem. They appear to switch themselves off leaving a vertical line on the screen. This happens after a few minutes sometimes or a few hours.

Pulling the plug out and pressing the on button usually gets it going again.

A bit of research on Google comes up with a referance to a WAAS problem and suggests going to Garmin for an update which can be downloaded and installed over the internet.

Has anybody had a similar problem and fixed it with this update. I am reluctant to mess with them as they do work [ sort of ] at the moment but if the fix is there on the Garmin site and works reliably I will give it a go.
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post #2 of 6 Old 12-05-2010
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I'd give Garmin a call to see if the software corrected the problem, I vaugely remember when this problem popped up it was due to a change in the WAAS system that affected the software on this line of units. This is a pretty old unit and I'm not sure if Garmin is suppotting it with unit updates
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post #3 of 6 Old 12-05-2010
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The Garmin Update is available at https://buy.garmin.com/shop/store/do...ID=167&pID=214 . If your system is not current as of V2.50 use the web-updater. It's a no brainer.

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post #4 of 6 Old 12-05-2010 Thread Starter
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Thanks I will give it a try.
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post #5 of 6 Old 12-05-2010
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We had the same symptoms a time or two on our MAP76... the update did the deed.

Ron

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".. there is much you could do at sea with common sense.. and very little you could do without it.."
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post #6 of 6 Old 12-06-2010
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IIRC, it is because the old firmware can't deal with some new satellites that were brought on-line recently. Do the update.

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