Alpine CDA-7878R Car Stereo System User Manual


 
32-EN
Adjusting the Sound Operation
→→
←←
High range
(R)
High
range (L)
Mid range
(R)
Low range
(L)
Low range
(R)
Mid range
(L)
BAND
MODE/Audio Control
f UP
g DN
DIVIDER 1 2
Low range (LPF)Front High range (HPF)
Rear High range (HPF)
4 Rotate the Audio Control knob to adjust the
slope.
Slope can be adjusted to FLAT, 6, 12, 18, or 24
db/oct.
5 To adjust another channel, repeat steps 2 to 4.
When the adjustment is completed, press the
DIVIDER button.
Adjust the output level
6 Press the BAND to select the channel to be
adjusted.
2 way system
3 way system
Press the MODE button to switch to the Time
Correction Adjusting mode.
7 Rotate the Audio Control knob (Rotary
encoder) to adjust the output level.
You can adjust the level from 12 to 0.
8 To adjust another channel, repeat the steps 6 to
7, then press the DIVIDER button.
→→
Low
range (L)
Low
range (R)
Front high
range (L)
Rear high
range (R)
Rear high
range (L)
Front high
range (R)
←←
Adjusting and Storing the Crossover/
Time Correction
Before performing the following procedures, refer
to Crossover (page 30) and Time Correction
(page 31).
1 Press and hold the DIVIDER button for at least 2
seconds.
Adjust the cut-off frequency/slope
2 Press the BAND button to select the channel to
adjust.
2 way system
3 way system
Press the MODE button to activate the Output
Level-adjusting mode.
3 Press the g DN or f UP button to select
the desired cut-off frequency point (cross over
point).
2 way system
You can select the frequency from 20 Hz to 200
Hz (1/3 octave step) for each channel.
3 way system
Low range (LPF) /Mid range (HPF):
You can select the frequency from 20 Hz to 200
Hz (1/3 octave step).
Mid range (LPF) /High range (HPF):
You can select the frequency from 20 Hz to 20
kHz (1/3 octave step).
High range (HPF)∗ ← Mid range (LPF)
Low range (LPF)Mid range (HPF)