Originally Posted by
Jowers
You're probably already home from the track by the time you read this...
Highlight the model you want (1, 2, 3, 4, etc)
Simultaneously press and hold the inc and dec keys for a second or two
it was an interesting day running 2 cars today. I did at one time try and press inc & dec keys, however did not hold it down for long enough. Anyway, it seems like this radio is the only one of I know that requires so much work to change models.