Question about Garmin GPS 12XL GPS Receiver

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Garmin 12XL Lights are on-nobody home!

When I turn my Garmin 12XL on it no longer acquires my position. There are no signal bars and it just sits there. All my way points are good. I can flip through the pages, but it doesn't receive with or without the dash antenna. Before it half died, it was taking up to five minutes to acquire my position every time I booted it up. (It warned me it was sick)

Steve Guttery
Dyersburg, TN

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 4 Answers

SOURCE: having problems acquiring satellites

I experienced the same problem about acquiring satellite signal even when it's a clear sunny day. After 30 mintues, it was still searching! The unit appeared to have "stuck" in this acquiring mode. The following worked for me: 1) open the GPS antenna 2) press the bottom left screen while holding the power button to turn the unit on 3) enter maintenace mode 4) select diagnostics 5) clear error report, do NOT clear any user data 6) restart unit the usual way My GPS 350 was able to acquire satellite signal in less than 1 minute after the above steps were taken.

Posted on Oct 03, 2007

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SOURCE: Trouble Acquiring Satellites

Thank you all for the help. I had already downloaded updates and it told me there weren't any more updates that the unit was current. The bugger just fought me all the way.

I tried the reset address over and over to no avail. Finally after it was completely charged, I set it by a window and left in turned on with the finding satellite or whatever it said on it, and went to bed. By the next morning it knew where I was!

Posted on Dec 25, 2007

  • 35 Answers

SOURCE: Garmin Nuvi takes a long time to Acquire satellite

No. 98% of the time it took 45-56 seonds for your NUVI 660. Thats the compagny set up time acquisition and it did very well.

Be sur you had your flip antenna parallel to earth surface.
660 has THE BEST SIRF Chipset for acquiring satellite.

I had 2 NUVI 660 since 2 years. It work much better than those new 7xx series who it really took 2-3 minutes to acquire satellite.

Be sure you update your version to the last one.

----> https://buy.garmin.com/shop/store/downloadsUpdates.jsp?product=010-00540-00&cID=134&pID=400


Best regards

Posted on Jan 21, 2008

  • 1 Answer

SOURCE: Garmin GPSmap 76 not acquiring satellites

You need to do an auto locate. This also corrects your time issues (wrong date and/or time will be corrected. To do an auto locate do the following.

  1. Start with the unit turned off.
  2. If you have a GPSMAP 76, GPSMAP 76C, or GPSMAP 76S, hold down the Page button. If you have a GPSMAP 76CSx or GPSMAP 76Cx, hold down the Zoom Out button.
  3. While holding down the first button (Page or Zoom Out), press and hold the Power button.
  4. Continue to hold the two buttons until the Satellite page displays. You can then then let go of the buttons.
  5. Finally, let the unit sit outside with a clear view of the sky. Allow about 20-40 minutes for the unit to acquire satellites.

Posted on Nov 24, 2008

reef runner
  • 7 Answers

SOURCE: Garmin GPSmap 76 not acquiring satellites

I had the same problem? GPSmap76S was hung up trying to AutoLocate. It just couldn’t find itself, and it just stopped working all of a sudden one day, while I was traveling. I spoke with Garmin about the problem, and they advised me of an ongoing problem with WAAS. I was told that I should "Disable" WAAS, because the signal from the WAAS satellites had been changed by the government, and Garmin had not yet put out a software update to address the problem, on the 76 units, anyway. Also said that an update "should" come out, in the future, however, no commitment or promise on that. Evidently, once your unit hits one of the WAAS signals, it scrambles up the receiver in the GPS, because mine sure went crazy. The support guy also said, that if this did not correct the problem, I might also want to try a "Master Reset". So here’s what happened.
I disabled WAAS, but this did not correct the problem. The unit was still lost out there somewhere, trying to AutoLocate, so I ended up doing the “Master Reset”. Please read up on this procedure before trying it, and understand that you “will loose” any settings that you might have made to the GPS, along with all waypoints, routes, tracks, etc., however, my maps actually remained in tact? This procedure will actually set the unit back, just as it was when it originally came from the factory. Once completed, you will then have to allow the unit to initialize it's self again, just as you did when the unit was new. If you have forgotten about doing that, it simply means that you need to set the unit outdoors and leave it “on” for a while (15 – 20 minutes), until it actually AutoLocates it’s self, or locks in on your current position. Once this is done, re-do your setting preferences, back to the way you had them before the Master Reset. At the very least, you’ll have to re-set it to the correct time zone, and tell it about daylight savings time. Note: It’s a very good idea to go thru first, and jot down your page settings and main menu settings, before doing this procedure, or the screens may not look familiar to you, once the unit resets. You think you’ll remember them all, but you won’t. But whatever, once you have done the “Reset” and “Initialization”, you must now hook the GPS up to the computer and reload your waypoints, routes, etc, back to the GPS. You did have them saved on your computer, didn’t you? Hope so… If so, you should now be good to go…………….
My unit now works like a champ, good as new, just not as accurate, due to WAAS being turned off. I still don't know if the WAAS issue, was part of the problem or not, but I do know that the Master Reset got the unit back to working immediately, allowing it to locate itself almost instantly. What a relief…………..it’s a little work, but it takes much less time than it took you to read this post…………..
Hey, when all else fails, call Garmin 1-800-800-1020. They are good guys and willing to help, in fact, I would advise you to call them before you do anything, so you can describe to them, exactly what your unit is doing. I am only relating my situation and what happened to me. Your situation may be different…….

Posted on Dec 13, 2008

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Hi,
use the web-updater at garmin
or update the firmware at garmin,
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turn GPS signal off
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turn GPS signal back on ( takes upto 15 mins to locate satelites )

should be good

Regards
Richard.

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Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} As GPS units are used, data is gathered which helps them acquire satellites quickly at the start of each use. If a device is used daily it should be able to acquire satellites in a minute or less. Using a GPS device while it is outdoors with a clear view of the entire sky is the ideal condition for acquiring satellites. Please know that there can be several different factors that may cause a GPS unit to not acquire satellites:
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Question: Why won't my unit acquire satellites?
--> Answer: There are a several different factors that can cause a GPS unit to not acquire satellites:
  • If your unit is indoors, it may not acquire satellites.
  • If your unit is trying to acquire satellites for the first time, it is normal for it to take a while to establish its initial position.
  • If you have just finished updating the software in your unit or you have performed a master reset, your unit may take longer than normal to acquire.
  • If your unit has traveled a long distance while turned off or not tracking your travel, it may take a longer period of time to acquire.
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  • If your vehicle has a protective coating on its windshield or electronic devices which interfere with the unit receiving signal, you may need an external antenna.
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If your unit is still having trouble acquiring satellites, please ensure that it has the latest version of operating software. You can do this using our WebUpdater program which can be found at the following link:

http://www.garmin.com/products/webupdater/howtoinstall.jsp

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