Originally Posted by karrun
You can change the source and the volume for zone 3. I'm not home so I don't have the instructions on how to do it. I'll check when I get home.
I wrote to Forest River and they sent me these instructions (which weren't included in the booklet with the iRV34 that we got.) I finally got a chance to test it today.
With radio on in normal mode you can turn any zone on/off with a quick push of any zone (! 2 or 3)
To change source for zone 3:
Push and hold zone 3 button until the display reads Z3 followed by the current source that zone is playing, such as Radio/DVD/BT. Then push the mode button to change the source that is on zone 3. Now the volume knob is controlling on the source of zone 3 playback.
To control the volume on zone 1 and 2: Press and hold zone 1 for two seconds and now the volume knob is controlling zone 1 and 2 and all other operations are back to normal.
Hope this is helpful to someone else.