Question about InVion 5 GPS Navigation

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Can't find satellites

My GPS was working just fine, then last week when I turned it on, I kept receiving the message "Signal too low". I thought since it has been rainy and clouding that was the reason for the message. Well, we finally had a nice sunny day yesterday and still no satellites.

Now what?

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  • jamescdodge Jan 06, 2009

    cant find satellites

  • Anonymous Jan 08, 2009

    SAME PROBLEM HERE...

  • dziadzi Feb 26, 2009

    invion can't acquire sattalites

  • Anonymous Apr 06, 2009

    I have same problem. Waiting for satetillites signal.

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There are two solutions to your problem. #1, It's possible your power cord is too close to the GPS Antenna on the back of your unit. Moving the cord away from the top of the unit should solve this problem... this is in cases where you get a "few" Satellites, but not enough to generate a "Valid" GPS Signal.

#2, The SD card and/or the Software is corrupted. In which case, you'll need to reinstall the software from backups. It's not uncommon for this to happen, as the unit typically sits in a blazing hot car interior. There is usually one file that causes a lot of troubles... and it typically gets corrupted when the unit is still "Navigating" to a route when the machine is turned off. That file is located in the Favorites Folder under User Data (DestinatorApps/Destinator/UserData/Favorites) The file within the Favorites Folder you need to get rid of is "FAVORITES.INI". The file isn't all that useful... the GPS unit will function without in and generate a new one after rebooting the unit. If you're worried about deleting it, you can always copy it onto your computer (I don't recommend putting it back in the GPS though).

The best way to prevent this problem in the future is to make sure to "Cancel" Navigation before turning your unit off. Good luck.

Posted on May 08, 2009

Receiver is dead

Posted on Jul 21, 2008

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2 Answers

My tomtom one gps can't get signal


When was the last time you updated the QuickFix of your TomTom? It helps your GPS to find the satellites.
Please, do the following:
1) Install "TomTom Home" software in your computer from www.tomtom.com
2) Start TomTom Home in your computer
3) Plug in the GPS dock to your computer's USB port and place the GPS on the dock. The green light on the bottom right of the GPS should turn ON to indicate that the GPS is getting power from the dock and charging
4) Start your GPS while being in the dock. If the GPS asks "do you want to connect to computer" answer "YES"
5) The TomTom Home software will detect the GPS and check if there are any updates for it. Then you'll be offered updates to install. Some are free, some are not. Be sure you choose to update "QuickFix".
Please, report back if you need further assistance
My ID: alexocuello_

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My tom tom says no gps signal for the last two weeks. How do I fix this.


Did anything change in your environment (new car?) two weeks ago?

What happened immediately before you lost signal?

Is everything else working okay on the unit?

Have you updated everything with Tom Tom Home?

Have you tried resetting the unit (paperclip in the small hole on the bottom of the navigator)?

Have you tried resetting factory defaults? (Menu item under Change Preferences; you need to Show All Menu Items to see this one.)

BTW, nobody's satellite got hit by anything.

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I had a similar problem and did solve it with the soft reset (pressing reset button). I have a One XL and there is a small reset button that you push with a paper clip. On the XL 330 you press and hold the on/off button for 15 seconds and the unit should reset.

My symptoms: Would not find a GPS signal. When I looked at the GPS Satellite status (press on the GPS signal strength bars, again on the GPS/battery status) you can see it locking on up to 8 satellites but would still not show a gps signal lock. Normally it only takes 4 satellites to get a gps lock. My other sympton was that when I attached the GPS unit to the computer and operated it with TomTom Home, it worked fine and locked on to the gps signal quickly (even inside my home). But it would never (at least for 30 minute trips) lock on to a gps signal. After doing a reset it began working normally and locked on to a gps signal after finding 4 or more satellite signals.

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Low battery power is generally r4esponsible for loss of signal or low signal. Charge itr fully before use and plug into car power source ONLY AFTER staring the engine so as to avoid spike deamage. The car charger cannot fully charge the battery it is justn sufficient to maintain a level of charge . If the battery gets too low it cannot maintain a constant signal.

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Does your GPS have a good view of the sky?
i.e. not mounted low on the dash of your car.

it really only needs to find 3 satellites to work but it might take a while to lock on if reception is low.

When you say every time you turn it on. I assume that you don't go days without turning it on. A GPS stores information about satellites and their orbits across the sky and keeps it for about 6 days. The download process of this information is fairly slow. If you run it most days the information gets updated while the gps is running so you tend not to notice.

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Solution to the original problem above.

You need to connect TomTom to a computer and run their 'TomTom Home' program. Let it check for updates. It will download a file called "QuickGPSfix data". This file updates your TomTom with the latest satellite positions and ensures your TomTom will find its coordinates very quickly after switching on. A new file can be downloaded at least once a week. Generally, the longer you left it since downloading this file, the longer it will take to find its coordinates (ie. find a signal).

Hope this help.

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