Question about Garmin GPSMAP 172C GPS Receiver

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My Garmin 172C does not pick up satellites

It is used in summertime in a boat. It worked well several years but this year it won't find the satellites. It also shows wrong date and time. What can I do?

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SOURCE: Display won't come up anymore

The power switch usually allows you to adjust the backlight with a short tap there should be a scroll bar, use the four way toggle up to increase the back light.

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SOURCE: My Garmin e-trex will not

It righted itself when I switched it on again outside and 'calibrated' it by moving around with it in my hand. Obviously it is better not to leave the batteries out for so long, overnight, while recharging them.
Once before I had to get back to the factory settings and start again by pressing buttons consecutively quickly but I couldn't do that again. I had forgotten what I did and hadn't written it down. Any ideas?!

Posted on Jul 21, 2008

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SOURCE: no satelite acquisition for garmin 172c

you need to go outside in an open area with no trees around and turn the garmin on untill it receives a sat connection it can take several minutes for it to find it

Posted on Mar 10, 2009

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SOURCE: Garmin 660 turns on but

Please see this link for more information on this problem and why it happens.

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Posted on Aug 19, 2009

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What year is serial#4389 36473

Make and model would be useful :>)

US Coastguard Department require all boats to have a sticker near the helm show the permissible number of passengers, total weight and maximum engine size. Usually has the date. Also look for a plate in the forward anchor hatch.

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When you turned it on in the hotel, it is not the Garmin. But if you were outside and could see the clear sky, and the GPS evice did not find the satellites within 2 minutes there could be something wrong.
When you switch of an GPS in one place and you switch it on, on a completely different place, it can take a while till it found enough satellites to make up where it is.
But two minutes should do the trick. Don't try this somewhere inside or close to buildings or trees. The device should have a clear "view" to the satellites above the equator.

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My gps172c fails to receive any sats...same problem last year,boat laid up over winter and in spring when set switched on no sats picked up .Garmin sent me software update and problem solved. Unfortunately...

Similar problem with a Garmin finding current position taking very long time every spring after boat being laid up in winter.

See page 4 and 5 to speed up the process.

When Garmin does a power-up the current version is revealed during the boot. This will ID the update!

The at home(current position) delay maybe due to satellite re-position during the winter and has been the only problem. Once acquired have little or no problem rest of season.

See page 6 on link manual where you can observe the satellite acquisition. During the initial acquisition process it seems to start over many times and eventually locks them in one at a time!
Hope this helps?

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Garmin GPSMAP 172C - cannot find satellites (WAAS)?

WAAS is a seperate service from GPS. It provides GPS corrections so if you can not get WAAS there is no big problems. you unit just wont be as accurate as normal. WAAS only is for North America and EGNOS for Europe. You may want to turn WAAS off for now. I suggest trying a update for the unit. You will need a memory card and Garmin USB programmer. Then just go to garmins site to get the latest update. If you need a USB programmer feel free to Contact or They are the leading experts in Garmin GPS.

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The screen is starting to distort and the colors are running together at the top of the screen, Unit is 5 years old

The LCD screen or the graphics driver circuitry has failed. Either way, the unit is effectively unrepairable as it's long past it's maximum design lifespan of three years and so parts and labour will be prohibitive.

Time to update to a new receiver unfortunately, but at least it will also come with a fresh warranty, longer battery life, easier user interface and up to date mapping. In real terms it will also probably cost less than you paid five years ago.

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Press Set Time/.Date button and hold down for several seconds. When you let go number - year - will start flashing. Use MEMORY button slowly to correct year. Push Set Time/Date button to set year. Next number will be month - same process. Then date - same process. Then time beginning at midnight using 12 hour clock - same process.

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the harmony remote updates most of its date and time settings from the computer.
see what the date and time is set to. if its wrong, fix it then update the remote.

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New maps should come with an unlock code did you get one and did you enter it?

Also make sure your battery is fully charged

Thanks for using FIXYA

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