Philips CMQ405 - annexe 1 Manual page 8

Slide or
(high-
pass-filter)
(low-
pass-filter)
To ensure sound quality, adjust input level to
match it with the car audio's output voltage.
Check the line output voltage of the
connected car audio.
Rotate
matched voltage: 0.3V to 6V.
to the selected mode.
More low frequency
signal is filtered. Select
this if you prefer less
bass effect.
More high frequency
signal is filtered. Select
this if you prefer
stronger bass effect.
to select a
To enjoy more bass sound:
Set at mode.
Slide
•
If is set at
extra bass will be boosted.
• If is set at
will be filtered.
The amplifier has a built-in protection circuit to
protect the transistors and speakers in following
conditions:
• The amplifier is overheated.
• A DC current is generated in
speakers.
• The battery voltage is too low or too
high. Or
• The speaker terminals are short
circuited.
When the
lights up in red, the amplifier shuts
down automatically. In this case
please:
Take out the disc or tape and turn off the
car audio.
Check the cause of the malfunction.
If the amplifier is overheated, let it cool
down.
to position.
position, no
mode, the bass frequency
indicator
9