INSTRUCTION MANUAL INTERFERENCE PLL FM Stereo Modulator BEFORE INSTALLING THE ON 87.7MHz: If interference experienced is on 87.7MHz,change the position of the frequency select switch on the side of the FM Stereo Modulator and tune the radio 87.7-88.9MHz. MODULATOR 1. Do not install the unit in the following locations. Locations exposed to direct sunlight. Where hot air is discharged from the car heater. In areas subject to extreme temperatures. 2. Be careful not damage the car wiring. 3.
