Infrared Headphone System (320-2052) Operation Faxback Doc. # 6522 Follow these steps to use the headphone receiver: 1. To turn on the headphone receiver, set OFF/ON to ON. The battery indicator lights. 2. Adjust VOL on the headphone receiver to a comfortable listening level. Note: Do not change the transmitter or audio source's volume level. To adjust the headphone receiver's size, pull down or push up on each end. Be sure to turn off the headphone receiver when you are not using it. To turn off the headphone receiver, set OFF/ON to OFF. (LB/all-08/23/94)