Pioneer GM-D500M Service Manual page 26

1
8. OPERATIONS
A
Bass Level Control
If the sound level is too low, even when
the volume of the car stereo used along
with this power amplifier is turned up,
turn bass level control on the front of
the power amplifier clockwise. If the
sound distorts when the volume is
turned up, turn the bass level control
counter-clockwise.
• When using with an RCA equipped car
B
stereo (standard output of 500 mV), set to
the NORMAL position. When using with
an RCA equipped Pioneer car stereo with
max. output of 4 V or more, adjust level to
match the car stereo output level.
• When you want to boost bass, turn the
bass level control clockwise.
C
EW, ES
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.
D
E
F
26
1
2
Cut Off Frequency Control
You can select a cut off frequency from
40 to 240 Hz.
GM-D500M/XH/EW
2
3
Power Indicator
The power indicator lights when the
power is switched on.
3
4
4