[stargazer66]

Mike, thanks for responding. I had assumed that the switch was to allow us to use the radio while camped, which we did for many weeks, but then when pulling up anchor...the chassis batteries where almost dead. We started thinking that it could have been because of the radio but I wasn't quite convinced; especially when we got home and learned that the batteries, (we just recently bought the Friendship), were 7 years old. We won't be overlooking that again!