Montana 650 POI ALERTS

 

When I Create a poi file with my own sound file and place it on my nuvi 1450 it plays the sound I put on it but when I put the same file on my Montana 650 and place it in the car dock It chirps out this loud warning noise is there a way to make it stop doing that ?

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Montana 650,62S,1450,Etrex Venture Hc