Pioneer GM-3300T Mode D'emploi page 5

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BFC (Beat Frequency Control) Switch
If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the
BFC switch using a small standard tip screwdriver.
LPF (Low-Pass Filter) Select Switch
Set the LPF select switch as follows according to the type of speaker that is connected to the
speaker output connector and the car stereo system:
LPF Select
Switch
LPF (right)
OFF (left)
Audio frequency range
to be output
80 Hz and below with
–12 dB/oct. cut off slope
Full range
Speaker Remarks
Type
Subwoofer Connect a subwoofer.
Full range
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