Question about Garmin nuvi 250W GPS Receiver

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Satellite it takes 20 to30 minutes to get satellites, is it normal ?

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Are you outdoors, open view to the sky? The GPS needs to relocate itself if it's been reset or moved far away from the last location it was used. It stores it's last location in memory just before you power down, so it can relocate quickly after you switch on.....presuming you are near where you switched it off.
And there's nothing wrong with checking if all the software on the GPS is up to date with the webupdater at garmins website

Posted on Jun 16, 2008

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My navigation icon is dark and do not work .what can be the problem and where can I download the maps


  • If your device is trying to acquire satellites for the first time, it may take longer than normal to establish an initial position. If the device is powered on and outdoors with a clear view of the sky, this should not take more than 3-5 minutes.
  • If your device does not have full view of the sky while placed in the car, it may not acquire satellites properly. For best satellite acquisition, mount the device on the windshield or dashboard.
  • If your device has not been used for an extended period of time (more than a month), it may take 3-5 minutes to acquire satellites.
  • If your device is indoors, it may not acquire satellites. Even standing next to a window indoors will block a majority of the sky which is needed for a device to locate and lock onto a satellite signal.
  • If you have just finished updating the software in your device or you have performed a master reset, your device may take 3-5 minutes to acquire while outdoors as the data that is used to locate satellites may have been erased.
  • If your device has traveled over 500 miles while turned off or not tracking your travel, it may take 3-5 minutes to acquire even in ideal conditions.
  • If your vehicle has a protective coating on its windshield or electronic devices which interfere with the device receiving signal, your device may need an external antenna in order to acquire satellites.
    • If you suspect this to be an issue, try taking the device outside of the vehicle with a clear view of the sky for 3-5 minutes so that the device can acquire satellites. If your device loses satellites once moved back into your vehicle, you will most likely need an external antenna

May 19, 2015 | GPS Devices

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Hi, Just opened a new 1490LMT. Can't get a satelite signal. Small red bar appears on left top corner. Also, I'm in Winnipeg and can't get the GPS to acknowledge Winnipeg. Toronto is on screen.


Hello,

When travelling with your GPS it may take 20-30 minutes for it to acquire a satellite signal. For it to acquire the signal it should be stationary so when visiting the family or in the hotel leave it on you should get satellite lock.

Hope this helps!

Mar 10, 2011 | Garmin nuvi 1490T GPS Receiver

1 Answer

I don't have Satellite signal! I tried to acquiere satellite signal with my Garmin Nuvi 1350! The screen always says locating satellites but nothin happens! The satellite bars are not green!What can I do...


Hello,

Try fully charging the unit and leaving it stationary for about 20-30 minutes if you still dont lock satellites try giving the unit a firmware updates using Garmins WebUpdater software here is a link.
http://www8.garmin.com/products/webupdater/howtoinstall.jsp.


Hope this helps!

Feb 24, 2011 | Garmin nuvi 350 GPS Receiver

1 Answer

I takes close over 3 minutes for my garmin 765T to locate a sattelite and I leave in a major east coast city. is something wrong with the system or is this normal


Holding the satellite signal strength indicator icon (upper left hand corner of screen) for a few seconds with your finger brings up a visual display showing signal strength of various satellites, accuracy, speed and elevation.

From a cold start - I too have experienced 2 to 3 minute wait times for satellite aquisition, so I would presume this is a normal. I own three different Garmin units apart from the 765T and satellite aquisition times vary on all three, most aquire satellites in under 4 minutes. Traffic on the other hand seems to take a while to load as this is dependent on availability in your area.

Nov 30, 2009 | Garmin nuvi 765T GPS Receiver

1 Answer

4 + minute delay in aquiring Satellites


4 satellites minimum to achieve triangulation. delays are not unusual in some areas but mainly due to a low battery level try and rtecharge the battery or replace it

Jul 05, 2009 | Tomtom One Europe v2 GPS Receiver

1 Answer

Not receiving satellite signal


It can take 20 minutes or more to download the almanac and ephemeris from the GPS satellites. Just give it time.

May 31, 2009 | GPS Devices

1 Answer

I have a Nuvi 200w that I received last December as a gift. This unit takes forever to aquire a satellite. The "DIFFICULY AQUIRING SATELLITES" message comes on 90% of the times I try to use it....


While under warranty.... yes.... Make sure it's been registered on their site before calling them and requesting an RMA number.

Good luck!

- Jim

Sep 17, 2008 | Garmin GPS Devices

1 Answer

Garmin NUVI 650 acquiring satellites


  • Make Sure the GPS has a good, clear view of the sky. “Clear” does not need to be sunny. Overcast skies have no noticeable impact on GPS performance. But buildings and trees do. So take the GPS outside where you have the biggest sky view as you can.
  • Next, wait for the GPS to acquire a signal. If this is the first time you have used it, expect it to take up to 20 minutes to find a signal. Most often it will take less, but prepare for 20 minute. Now for an important step… Once it has found your location, let it continue to sit there for about 30 minutes.

Apr 19, 2008 | GPS Devices

1 Answer

Coordintates seem to ALWAYS be off by 20-50 feet


How are you determining your error? If you are comparing your position to a map and you are getting error consistently, it could be that your map datum does not match the datum set in the GPS. Without WAAS turned on, your error should be @15'. With WAAS on it should be @ 6 to 9'. If you are using the Sattelite screen to determine your error, remember that is just estimated error. Higher estimated errors can be caused by satellites that are blocked or not visible to the GPS, or poor satellite geometry. It is normal for example, to have more error in high northern or southern latitudes due to less satellites being visible. With good reception you should be able to see 8 to 12 satellites on your satellite page. Signal strength is also important, You can have a lot of visible satellites but if the signal is weak your error wil increase. The signal can be weakened by heavy tree cover or high objects such as buildings or mountains. Such interference is called signal path error. Another form of signal path error is when the signal gets reflected off something before it gets to your GPS. For example; you're in a canyon and satellite 1 is to the east of you. The eastern rim of the canyon blocks the signal from satellite 1, however the signal bounces off the western rim and your GPS then picks it up. Because it took longer to get to your GPS, the GPS thinks that the satellite is farther away than it really is, causing a postion error. (This would not show up on your estimated position error shown on the satellite page because the GPS does not know this is happening.)

When WAAS is turned on it takes a channel that would normally be dedicated to a GPS satellite. It's possible that turning off WAAS helped you because having an extra GPS satellite improved your geometry which improved your accuracy more than the corrections WAAS is designed to make. The next time your error seems high, check how many satellites are being tracked and how strong the signal is.

Feb 13, 2008 | Garmin eTrex Legend Cx GPS Receiver

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