If sound level is too low, even The power indicator lights when the volume of the car stereo used along power is switched on. with this power amplifier is turned up, turn gain control on front of the power amplifier clockwise. If the sound distorts when the volume is turned up, turn the gain control counter-clockwise.
� When using with an RCA equipped car
� If you hear too much noise when using the change the BFC switch using a small
stereo (standard output of 500 mV), set to the NORMAL position. When using with BFC (Beat Frequency Control) Switch an RCA equipped Pioneer car stereo with max. output of 4 V or more, adjust level to If you hear a beat while listening to an match the car stereo output level. MW/LW broadcast with your car stereo,
speaker input terminals, turn the gain standard tip screwdriver. control counter-clockwise. (GM-X552/X1R/EW,ES)
LPF (Low-Pass Filter) Select Switch
Set LPF select switch as follows according type of speaker that is connected to the speaker output connector and the car stereo system: LPF Select Audio frequency range Speaker Remarks Switch to be output Type
LPF (left) Very Low Frequency range Subwoofer Connect a subwoofer. OFF (right) Full range
