To have ASR working run Webupdater and load full CNEU NTU. Files are posted in Maps section thread.
Converted 37xx to 34xx with MU or Wu downloads files for 34xx.
34xx uses CNEU NTU and related addition files of the corresponding version.

Mapupdater downloads a map update if you are an entitled user, that is if you have a lifetime update license or if you buy a one time update coupon.
These infos are written in myGarmin page where your device is registered and in garmindevice.xml in your nuvi.


Sent with my GT-19100