Vesijunu
I have Primo 2.01 and 2.4 with TMC.
I have no TMC related dlls inside Primo. I think the dll to control the TMC receiver is inside Windows CE or inside the original navigator files. Note in the figure the file MGLTMCDrv.dll (Magellan TMC drive.dll).
Spoiler: screenshots
So, all You have to do is modify the Windows CE registry, in order to activate the TMC receiver before running Primo.
To do this you use Morscript, with the correct script.
Note that "protocol=1" is different from "protocol, 1"
The registry must be modified "before" running Primo.
nnghal.dll is not related to TMC. It is related to FM transmitter. FM transmitter make the sound of the gps be heard in car radio.
The line TMC http in sys.txt is not related to Radio FM TMC. It is related to TMC by internet.
Good Luck!
Spoiler: screenshots
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