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  #1  
Old 08-28-2008, 07:34 AM
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Cannot change NAV volume

This is a very strange problem.
I realized, that after SW V27 upgrade, I cannot change the nav volume in the settings menu. I can adjust the volume bar, but the loudness is still the same. The only difference is, that the background music (radio, CD, etc) is muted more, when the nav volume is set to louder value.
I put another radio module into the car, and the problem was solved, I could adjust the volume. After that I installed the V28, and the problem was back again. Then I was really nervous, I put my mk4 into my friends car (he can adjust the volume), and with my mk4 I also could change the volume. So it depends on the BM54!!!

It seems, that meanwhile upgrading the nav unit sends something to the BM54. If it is true, maybe it is programmable via gt1, inpa.

Does somebody have info or same problem?

Bombolo
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  #2  
Old 08-28-2008, 10:18 AM
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The Nav voice volume is not set by the volume control in the menu (under setting (or set), the one with the bar and the voice saying "louder/quieter" ) in the system setup, so setting it to anything here is a complete waste of time... (unless you want to mute the radio when being given a voice command).

This is for setting the amount of attenuation of the radio in relation to the value of the navigation voice.

You can set the loudness of the navigation unit in two places.

1: via the TP option on the radio, get to the TP volume button and set the volume up or down as required, this will set the TP volume (traffic news etc) AND the Sat Nav voice volume (this is in the Navigation manual, that came with the car.)

Note:: TP Volume: Traffic Patrol
Provides adjustment for traffic report minimum value. On some vehicles this setting can affect the NAV volume. (on mine it does)
Refer to Service Bulletin B84 02 03.

OR

2: Via the secret menu, and setting the GAL value.

Use the Radio service menu (the link is to a pdf file).
http://tinyurl.com/3c4poa

Note:: GAL: Speed sensitive volume control.
The speed sensitive volume control can be adjusted from level 1-6 using the 6 preset audio buttons. Radio volume increases more at level 6 and less at level 1 (road speed dependent).

Strictly speaking you should not use this to adjust the Nav voice, as it's for adjusting the radio's speed sensitive volume control only, but as a side effect it adjusts the Nav voice as well.

I used the TP option and it has now fixed the Nav voice volume. (mine was too loud).

Confusing I know, and not logical, but that's the oddities of software engineers.

Hope this helps
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Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.
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  #3  
Old 08-28-2008, 11:04 AM
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Hi, I had some problem! Solution that I found:

When you update mk4, when eject cd, please press OK to reboot system, than when system reboots, please switch ignition off and wait for led of MK stop blink and go off. After that switch ignition on again...
The most of times that it happens to me in diferent cars, that is solution.


PS- sorry about my english.
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