TomTom TMC keeps scanning

puzlid · Posted: Fri May 22, 2009 12:17 pm Post subject: RDS Problems

Hi Had this reply from Tom Tom Support.
Don't know if it will of any help

Paul

We are aware of the current problems associated with the latest application download and are trying to resolve the issues.
In the mean time here are some steps to perform to try and resolve the issue with RDS TMC reciever.

1- Close TomTom HOME (make sure to exit through the system tray in the bottom right hand corner next to the clock)

2 - Delete the files in the download folder

3 - Delete the loose files and the yellow folder "GNS" from the root directory of the device (go to My Computer, select your TomTom, and this is the root directory)

4 - Start TomTom HOME and update to the latest application

5 - Perform a disk error check with both options ticked

For the volume issue you can;

1.- Check the volume preferences and make sure that "link volume to noise level" is not ticked and that volume is set to 100%.
OR,
2. - Use the line out or FM transmitter instead of the internal speaker.

GerryJ · Posted: Sat May 23, 2009 4:57 pm Post subject:

Does anybody know what files are critical to the running of the USB TMC, and the contents.

trooper · Occasional Visitor Joined: May 01, 2005 Posts: 37

So far I have found the following:

In the Root Folder
mctx.dat
mctx.txt

and in gns Folder
TmcEApi.so

There may be others.

Ian

trooper · Occasional Visitor Joined: May 01, 2005 Posts: 37

GerryJ · Posted: Sun May 24, 2009 9:34 am Post subject:

trooper · Occasional Visitor Joined: May 01, 2005 Posts: 37

Gerry,
I don't think its an important file as it wasn't on my other device. Here's the contents:

In France using ViaMichelin
In UK using ITIS
In Finland using Destia
In Italy using Infoblu
In Germany using TMCPro
In Sydney, New South Wales, Australia using Intelematics
In Melbourne, Victoria, Australia using Intelematics
In Brisbane, Queensland, Australia using Intelematics

I beieve with the latest s/w upgrade there was a change to the boot loader as well.

Ian

GerryJ · Posted: Sun May 24, 2009 12:32 pm Post subject:

Thanks Ian. I might as well try recreating the file, I have run out of other options.

Gerry

GerryJ · Posted: Wed May 27, 2009 1:08 pm Post subject:

Can anyone who has a working USB TMC tell me if the contents of their 'mctx.dat' file contains 22220 or something else.

Gerry

falkirk81 · Posted: Wed May 27, 2009 1:14 pm Post subject:

Don't have the mctx.txt file, but do have the mctx.dat file. I use the x40 rdc-tmc built in mount, but the contents of mine are

TX01C°óöÌVÎµ .•P°Q'Îw^';mµ#ó5»‡OÏºïp<#ÕÿHpç

whatever that means! It does work though!
_________________
Tomtom GO 1005 LIVE

iPhone 12

pcaouolte · Posted: Wed May 27, 2009 7:10 pm Post subject:

GerryJ · Posted: Wed May 27, 2009 7:15 pm Post subject:

Thanks to you both for replying. I can't get my USB TMC running with either the mctx.dat file containg the gibberish or 22220. At least I now know that the file should contain gibberish.

Gerry

AndyVaughan · Posted: Wed May 27, 2009 7:50 pm Post subject:

try deleting the file as well as the contents of the gns folder.

Run clearflash and perform a hard and soft reset and then reload 8.351 again and give it another go.

Don't connect the TMC until one clean power up and shut down after the application reload.

Clutching at straws really here - you can also delete the contents of the ppp folder but you will have to re-pair any BT devices.

My mctx.dat file is full of gibberish as well if opened in a text editor - not surprising really as it is hex code not text anyway.

GerryJ · Posted: Fri May 29, 2009 10:35 am Post subject:

Thanks for the suggestion Andy. Just tried it but it still keeps scanning. TomTom are asking me to send the 530 and the USB TMC back to them for repair. Is the USB TMC self contained i.e. it is like a minature radio that locks onto the signal or does the 530 do this?

Gerry

mikealder · Posted: Fri May 29, 2009 11:25 am Post subject:

All the RF gubbins is in the RDS-TMC receiver, the data cable between the device and the receiver is two way RS232 by the looks of it but at a lower voltage than normal 232. The Nav unit controls the RDS device making it scan to frequencies/ stay tuned to a specific one as applicable.

Its probably the receiver thats U/S but you never know for sure. an you not find someone else with a TomTom in the local area (even Halfords) and see if their units work on your device - Mike

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