Thread: Trying to get iGO to work on BV9386NV DoubleDin Unit

Specific Info in full explanation:

Originally Posted by jusertx

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From their description, it seems that the unit supports TMC through the use of RDS or somehow, yet the iGO software does not detect any stations. It did not work with the original program either.
I copied these lines from the sys.txt to the replacement sys.txt:

[tmc]
internal_tmc_name="gnsport"
source="gnsport"
port="COM,7"

From the Boss audio product page you linked, under Extra Features:
"Additional maps are available for purchase from h ttps://www.naviextras.com/shop/portal (please check availability for your area map before purchasing this unit)".

I think the problem is simply that TMC is not offered as a subscription in NA by that supplier, Naviextras:

Code:

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Don't feel too disadvantaged, it's not offered for AU/NZ or in most other parts either, for instance there's subs for UK, France, Slovenia, Hungary & Turkey but that's it for EU:

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Clearly the unit itself is capable of receiving RDS signals [one such RDS function is for cover art and song title/artist details, but not always, and always Station ID which presumably is working]. As i said before, TMC is but one other RDS function however the receiver has to be programmed to receive and decode those specific TMC signals. Where it's free that's no problem, but otherwise you have to buy and activate any available subscription for the receiver to be programmed to decode the signals. So, if the map supplier or any other source doesn't sell the subs or it's not a free service in your area you've clearly got a problem.
Is that unit using TT mapping data? Maybe a TT traffic sub would work if it is ....?

If the radio says that it supports RDS do I need a separate antenna for that function?

No. It receives RDS over the standard FM band embedded in the normal sound broadcasts via the vehicle antenna. If you're getting Station ID and 'now playing' details then RDS is working. Look in the manual for Radio Mode or similar listing and then info for RDS or Radio Data System and also TA/Traffic Announcements, TP/Traffic Program or TMC to see if it gives any specific info about traffic subscriptions.