1. See Figure 1. Select Home > Setup.
  2. Select the Rear Controls checkbox.
    1. Checked: All passenger controls on the side of the Tour-Pak function normally.
    2. Unchecked: The passenger volume and PTT controls continue to operate normally. However, the MODE/UP/DN switch is disabled. The passenger cannot change audio sources or tune/seek to other channels or songs.
Figure 1. Rear (Passenger) Controls