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  #1  
Old 10-27-2008, 04:55 PM
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Join Date: Oct 2008
Location: uk
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bazo m3 is on a distinguished road
nav not positioning properly + no sound from tv help!!

Hello I have just joined this forum as my questions didnt get answered in my other forum.

I have purchased an 05 m3 with 16:9 mk Iv nav and tv which all worked perfectly to start with.

To start with I got a dension gateway 100 (ipod adaptor) fitted which works fine. My battery went flat during this as my girlfriend was sitting with the engine off and the heated seats on full blast!!!!

second I purchased a v32 nav update disc and 2008 maps (copies). I have done the update which looks like it worked fine and the maps seem ok. I have put the 3d view and the poi speed cameras.

Once this had all been done I have noticed that the sat nav does not give my exact possition and it goes to parralel roads and cuts through fields and goes backwards around round abouts etc.. Also there is no sound from my tv now but I can get the picture, there was before. I dont know after which thing i done that the sound stopped working either ipod or update.

I have checked the satalites in the extra setting mode but it can usually see 6-8 which I think is usual. It does have the gps symbol in the top right box.

Does anyone know what I can do to rectify this? what would happen if i was to put the old 2005 maps back in instead of the 2008 maps?

Thanks
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  #2  
Old 10-28-2008, 03:07 AM
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Join Date: Dec 2006
Location: Switzerland
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KiwiJochen is on a distinguished road
When the car looses battery power, you can loose the nav calibration. To recalibrate the nav (with a fully charged battery of course) do the following:

1. Ensure satellite almanac is loaded. Check the almanac is loaded in the Service Menu. If you see Almanac=no then part the car outside, with boot closed, and no overhead obstructions so it can collect satellite data. Turn ign key to Pos1, switch on nav, and wait 15min. Confirm alamanc is loaded.
To access Service Mode, from the main ment go into Settings (or Set, depends on loaded language), then press and hold MENU until service menu appears. Enter the GPS Status screen and observe. Take a moment to confirm good satellite reception (S/N around 11-15 for at least 2 satellites means antenna is good)

2. Cailbrate gyro compass. Gyro is self-calibrated every time you lock and leave the car. Vehicle must be still as the calibration run is done. So close and lock the car, and then wait 10min without bumping the vehicle.

3. Calibrate speed pulses. These self calibrate when the car is driving by comparing actual speed with GPS speed. To speed up calibration, drive the car on a highway at max highway speed, constantly, for about 10min. Note that Mk4 navs can take a few days for the calibration to be spot on.

3. Calibrate map with reality. Every time you turn from one street into another, the nav realigns the map with your cars position. So drive through a suburb with lots of 90 degree street corners. Every time you turn a street corner, the nav will adjust the map. Do a few in each direction.

4. Be patient. The Mk4 nav can take up to a week of driving before the nav is perfectly calibrated to your area.

5. And sometimes the map is too far out. If the map data is too inaccurate (this does happen!) then the nav may choose the wrong road. Nothing you can do about this apart from choosing a newer, or older map.
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  #3  
Old 10-28-2008, 08:41 AM
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Join Date: Oct 2008
Location: uk
Posts: 5
bazo m3 is on a distinguished road
Quote:
Originally Posted by KiwiJochen
When the car looses battery power, you can loose the nav calibration. To recalibrate the nav (with a fully charged battery of course) do the following:

1. Ensure satellite almanac is loaded. Check the almanac is loaded in the Service Menu. If you see Almanac=no then part the car outside, with boot closed, and no overhead obstructions so it can collect satellite data. Turn ign key to Pos1, switch on nav, and wait 15min. Confirm alamanc is loaded.
To access Service Mode, from the main ment go into Settings (or Set, depends on loaded language), then press and hold MENU until service menu appears. Enter the GPS Status screen and observe. Take a moment to confirm good satellite reception (S/N around 11-15 for at least 2 satellites means antenna is good)

2. Cailbrate gyro compass. Gyro is self-calibrated every time you lock and leave the car. Vehicle must be still as the calibration run is done. So close and lock the car, and then wait 10min without bumping the vehicle.

3. Calibrate speed pulses. These self calibrate when the car is driving by comparing actual speed with GPS speed. To speed up calibration, drive the car on a highway at max highway speed, constantly, for about 10min. Note that Mk4 navs can take a few days for the calibration to be spot on.

3. Calibrate map with reality. Every time you turn from one street into another, the nav realigns the map with your cars position. So drive through a suburb with lots of 90 degree street corners. Every time you turn a street corner, the nav will adjust the map. Do a few in each direction.

4. Be patient. The Mk4 nav can take up to a week of driving before the nav is perfectly calibrated to your area.

5. And sometimes the map is too far out. If the map data is too inaccurate (this does happen!) then the nav may choose the wrong road. Nothing you can do about this apart from choosing a newer, or older map.
Thanks very much mate. I will do this tonight. I only travel 3 miles to work each day and have not been on a long journey since this has all been fitted probly why. Any ideas about sound when the tv is on.
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