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TMC problems on 2210

 
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Kinder
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Joined: Mar 01, 2006
Posts: 3

PostPosted: Tue Nov 04, 2008 8:16 pm    Post subject: TMC problems on 2210 Reply with quote

Hello,
Just got a new 2210, but I've noticed the TMC is very temperamental to say the least. Most of the time I get no data, even though the icon is showing it to be working. I tried it again at 5pm and still nothing at all. It does show up briefly but, for example, tonight when it did work it would only show roadworks (of which there are only 4 in the UK) and no jams (too good to be true on a weekday evening I know.)

Anyone got any ideas?

Cheers,
andy
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mikealder
Pocket GPS Moderator
Pocket GPS Moderator


Joined: Jan 14, 2005
Posts: 19638
Location: Blackpool , Lancs

PostPosted: Tue Nov 04, 2008 8:30 pm    Post subject: Reply with quote

I have not yet found an RDS-TMC receiver that works to the standard I would expect from such a product in the UK. There are a number of issues to consider:

Proximity to the radio transmitter
Power of the radio transmitter
Weather conditions
Direction of travel
Type of windscreen (Athermic coated glass ruins FM reception)
Poor receiver RF design
Pathetic "shoelace" aerial (or in this case IIRC it uses the power lead).

I could go on, but the upshot is you are trying to receive a very weak signal from remote transmitters located on hills miles from anywhere, throw in some terain masking between your location and transmitter is it any wonder it doesn't work. I find it incredible some of these contraptions pick up a signal at all - have you thought about coupling the cars aerial to the RDS receiver if you can even get at the wire that acts as the aerial and decouple the DC power from the connection? - Mike
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garden_elvis
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Joined: Feb 15, 2008
Posts: 7

PostPosted: Thu Dec 04, 2008 12:01 pm    Post subject: Reply with quote

I too have had limited success with the 2210 TMC info, I used to have a Garmin Nuvi 350 with GTM12 and by the time I'd reached the M25 about 5 miles away I had full traffic info using that. With the 2210 I have never had traffic info with Classic FM even though it says its 5bars but I did get it with Mercury but that is North M25 and by that time I'm stuck in traffic!

The only difference I can see is the position of the aerial. On the GTM12 I positioned it along the dashboard and up to the LH corner of the windscreen.
With the 2210 the aerial comes the device and down to near the handbrake, so what I've done is buy a cigarette lighter splitter and will try positioning the aerial along the dash to get a better reception.

I think the problem is all to do with reception rather than the device.

I'll let the forum know how I get on.
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