4 x 25 Watt Trunk Mount Amplifier (120-1976) Operation Faxback Doc. # 16985 TURNING ON THE AMPLIFIER The amplifier automatically turns on whenever you turn on your autosound system. POWER lights when the amplifier is operating. SETTING THE LEVEL CONTROL For the best performance, you can adjust the level of the audio signals that enter the amplifier by following these steps. CAUTIONS: The sound distorts if any output channel shorts. Turn off the amplifier and try to locate the short. To prevent draining the vehicle's battery, do not play the amplifier for too long using the ignition switch's ACC position after turning off the vehicle's ignition. 1. Using a flat blade screwdriver, turn both LEVEL MIN/MAX controls fully counterclockwise to MIN. Note: The right level control is for the front speakers; the left level control is for the rear speakers. 2. Temporarily turn up the autosound system's volume control to about one-third of its full range. Caution: Never turn the level controls up any farther than you need to get clear sound at two thirds volume maximum. 3. Turn either the left or right LEVEL control clockwise until you can hear the sound at a comfortable level. 4. Turn up the volume on you autosound system until the sound begins to distort. Then immediately turn down the volume to the point just below where distortion began. 5. Adjust the level controls until the volume is at the maximum level you want the autosound system to produce. 6. Adjust the autosound system's volume control to a comfortable listening level.