F. Turn off at least the first, preferably all 3 front rows of lights. Turn off or dim house lights. The less light in front of the room, the better the picture on the screen. Return it to the rack drawer. Lock up the rack.
Rotate combination lock to display random numbers.
Rotate combination lock to display random numbers. Equipment on the rack should be all ON as well. A. Open the rack, using the lock combination received during training. D. Insert audiotape or CD into the player on the rack. Volume control is on the right.