JVC KD-APD89 Car Stereo System User Manual


 
ENGLISH
24
B Subwoofer
1 Press number button 1 ( ) to
move to the “Subwoofer” adjustment
display.
2 Use 4 /¢ to select a cutoff
frequency to the subwoofer.
OFF: All signals are sent to the
subwoofer.
80Hz: Frequencies higher than 80 Hz
are cut off.
120Hz: Frequencies higher than 120 Hz
are cut off.
160Hz: Frequencies higher than 160 Hz
are cut off.
3 Turn the control dial to adjust the
subwoofer output level. [0 to 8]
4 Press number button 1 ( )
to select the subwoofer phase.
[0deg (normal) or 180deg (reverse)]
C VolAdjust, [–5 to +5]
Turn the control dial to adjust the input level
of each source (except FM).
Adjust to match the input level of the FM
sound level.
Before making an adjustment, select the
source you want to adjust.
D Loudness, [Off or On]
Turn the control dial to select “Off” or
“On.” When “On” is selected, low and high
frequencies sound are boosted to produce a
well-balanced sound at low volume level.
4 Exit from the setting.
Storing your own sound modes
You can adjust the sound modes and store your own
adjustments in memory.
When is shown on the display, you can
move back to the previous screen by pressing number
button 6.
1
2 Select a sound mode.
3 Select a frequency range.
4 Adjust the sound elements of the selected
frequency range.
1 Use 5 / to adjust the level.
2 Press number button 5 ( ), then turn
the control dial to select the frequency.
3 Press number button 5 ( ), then turn
the control dial to select the quality slope (Q).
Sound
elements
Range/selectable items
Low Mid High
Frequency 60 Hz
80 Hz
100 Hz
200 Hz
500 Hz
1 kHz
1.5 kHz
2.5 kHz
10 kHz
12.5 kHz
15 kHz
17.5 kHz
Level –6 to +6 –6 to +6 –6 to +6
Q (Q-slope) Q1.0
Q1.25
Q1.5
Q2.0
Q0.5
Q0.75
Q1.0
Q1.25
Fix
5 Repeat steps 3 and 4 to adjust the other
frequency bands.
6 Store the adjustments.
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