22
GM-X642,X542
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch
Set the LPF/HPF select switch as follows according to the type of
speaker that is connected to the speaker output connector and the car
stereo system:
LPF/HPF Select
Audio frequency range
Speaker
Remarks
Switch
to be output
Type
LPF
(left)
Very Low Frequency range
Subwoofer
Connect a subwoofer.
OFF
(center)
Full range
Full range
HPF
(right)
Low Frequency range to
Full range
Use if you want to cut the
High Frequency range
very low frequency range
because it is not necessary
for the speakers you are
using.
Gain 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 gain control on the 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
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.
•
If you hear too much noise when using the
speaker input terminals, turn the gain
control counter-clockwise.
Power Indicator
The power indicator lights when the
power is switched on.
Bass Boost Level Control
Bass Boost Level Control can boost the
level around 60 Hz from 0 to 18 dB.
•
Bass Boost Level Control can be adjusted
only when the LPF/HPF select switch is
set to a position other than HPF.
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.
Содержание GM-X542
Страница 4: ...4 GM X642 X542 2 2 EXTERIOR ...
Страница 9: ...9 GM X642 X542 5 6 7 8 A B C D 5 6 7 8 POWER SUPPLY A a A a A b 3 ...
Страница 13: ...13 GM X642 X542 5 6 7 8 A B C D 5 6 7 8 A B GND B REMOTE R R R R L L L L BFC 1 2 3 4 5 6 7 SIDE A ...
Страница 14: ...14 GM X642 X542 A 1 2 3 4 B C D 1 2 3 4 A A AMP UNIT ...
Страница 15: ...15 GM X642 X542 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Страница 21: ...21 GM X642 X542 8 OPERATIONS AND SPECIFICATIONS 8 1 OPERATIONS ...
