9
Adjust input level
To ensure sound quality, adjust input level to
match it with the car audio’s output voltage.
1
Check the line output voltage of the
connected car audio.
2
Rotate
INPUT LEVEL
to select a matched
voltage: 0.3V to 6V.
Adjust bass boost
To enjoy more bass sound:
1
Set
FILTER MODE
at
OFF
or
LPF
mode.
2
Slide
BASS BOOST
to
12dB
position.
Tip
If
•
BASS BOOST
is set at
0dB
position, no extra
bass will be boosted.
Note
If
•
FILTER MODE
is set at
HPF
mode, the bass
frequency will be filtered.
About the protector
indicator
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
PROTECTED
indicator
lights up in red, the amplifier shuts
down automatically. In this case
please:
4 Use your power
amplifier
Select filter mode
Select Filter Mode according to the connected
speaker type.
1
Slide
FILTER MODE
to the selected
position.
•
HPF
(high-pass-filter): Select this
mode when mid-range speakers and
tweeters are connected for high
frequency output.
•
LPF
(low-pass-filter): Select this
mode when woofer and subwoofer
are connected for low frequency
output.
•
OFF
(flat): Select this mode when
both tweeters and woofers are
connected.
Select LPF frequency
When
FILTER MODE
is set at
LPF
position, you
can select the range of frequency that is to be
filtered.
Note
When
•
FILTER MODE
is set at
OFF
or
HPF
position,
LPF FREQUENCY
does not work.
1
Slide
LPF FREQUENCY
to the selected
position.
•
80Hz
: More high frequency signal
is filtered. Select
80Hz
if you prefer
stronger bass effect.
•
180Hz
: Less high frequency signal is
filtered.
English
EN
CMQ205_00_UM_V2.0.indb 9
12/22/2010 9:41:44 AM
