All Things Mk5 > Sat Nav and Car Audio

RNS510 a mile out!

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Mako V12V:
I've had my RNS 510 fitted at a VW Dealership and they took an hour and a half to install/setup. I thought everything was fine but my sat nav appears to be half a mile out or so.

The screen that shows current position is telling me i'm on a street about half a mile away and when i'm moving thinks i've set off in a different direction. Its also saying 0/11 or 1/10 satellites.

The unit initially said it was in Bury when installed in my car which is where i bought it from but now knows it's in Blackburn so i thought the garage had configured it correctly.

Any ideas? Is it a case of i need to leave the unit on a long time for it to truly find where i am?

mortygttdi:
Sounds like they have not put your gps antenna into the navi unit :scared: id be back there and ask them to check it for you.

Darren

stealthwolf:
+1 for checkinv the antenna and its position.

JPC:
yeh, youll need to ask if they installed the antenna and where they put it.

As its been off for a while, it might just need 20 mins turn on (stationary) to figure out where it is, and get a full 3d lock on satellites

animal:

--- Quote from: JPC on November 30, 2009, 09:26:10 am ---yeh, youll need to ask if they installed the antenna and where they put it.

As its been off for a while, it might just need 20 mins turn on (stationary) to figure out where it is, and get a full 3d lock on satellites

--- End quote ---

Agreed, if it's been off for a while or moved a substantial distance since it was last powered up, it can take some time to re-acquire a decent satellite lock as it has to work out which satellites it can see and where about it is. Also is the date and time correct - this helps also as the software will know roughly where which satellites are meant to me at a given time.

Are there any options in the Nav Set-up to reset the Nav System?

If you find the antenna is in place and connected properly, drive out to some open ground where you have a decent view of the sky (360 degress - as much horizon as reasonably possible). Reset the unit and give it a good 10-15 mins to have a good look at the sky and get a decent lock on the satellites in view. Once this is done, it should be a bit quicker at signal aquisition is future.

This is where mobile phone based aGPS really comes into it's own - the phone can use the web to find out exactly where all the satellites should be and acquire a fix much much faster! My Satio is much quicker than either my TomTom or my Garmin hand-held unit.

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