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General features
Audio Control
1
Select the source to adjust
Press the [SRC] button.
2 Enter Audio Control mode
Press the [VOL] knob.
3 Select the Basic Audio item to adjust
Press the [VOL] knob.
Each time you press the knob, the item to be
adjusted alternates between the items shown in
the table below.
4 Adjust the Basic Audio item
Turn the [VOL] knob.
Adjustment Item Display Range
Rear Volume*
1
"R-VOL" 0 — 35
Subwoofer level "SW L" –15 — +15
System Q "NATURAL"/"USER"/
"ROCK"/"POPS"/"EASY"/
"TOP40"/"JAZZ"
Natural/User/
Rock/Pops/Easy/
Top 40/Jazz
Bass level*
2
"BAS L" –8 — +8
Middle level*
2
"MID L" –8 — +8
Treble level*
2
"TRE L" –8 — +8
Balance "BAL" Left 15 — Right 15
Fader "FAD" Rear 15 — Front 15
Exit Audio Control mode (Volume control mode)
• *
1
Function of KDC-X491
• *
2
You can adjust these items in detail. Refer to
<Adjusting the detail of Audio Control>(Page 8).
(Function of KDC-X491)
• *
2
Source tone memory: Puts the set up value in the
memory per source. (Detail Audio item is included)
⁄ About System Q
• You can recall the best sound setting preset for different
types of music.
• Change each setting value with the <Speaker Setting>
(page 9). First, select the speaker type with the Speaker
setting.
• "USER": The ranges selected lastly for Bass level, Middle
level, and Treble level are recalled automatically.
5 Exit Audio Control mode
Press any button.
Press a button other than the [VOL] knob and [ATT]
button.
Function of KDC-X491
Adjusting the detail of Audio Control
Among the Basic Audio items, you can adjust the Bass
level, Middle level, and Treble level in detail.
1 Select the Basic Audio item
Select the desired item to be set in detail from
followings;
• Bass level
• Middle level
• Treble level
For how to select Basic Audio items, see <Audio
Control> (page 8).
2 Enter Detail adjustment mode of Audio
Control
Press the [VOL] knob for at least 1 second.
3 Select the Detail Audio item to adjust
Press the [VOL] knob.
Each time you press the knob, the item to be
adjusted alternates between the items shown in
the table below.
4 Adjust the Detail Audio item
Turn the [VOL] knob.
Bass level
Adjustment Item Display Range
Bass Center Frequency "BAS F" 40/50/60/70/80/100/
120/150 Hz
Bass Q Factor "BAS Q" 1.00/1.25/1.50/2.00
Bass Extend "B EX" OFF/ON
Middle level
Adjustment Item Display Range
Middle Center Frequency "MID F" 0.5/1.0/1.5/2.0 kHz
Middle Q Factor "MID Q" 1.0/2.0
Treble level
Adjustment Item Display Range
Treble Center Frequency "TRE" 10.0/12.5/15.0/17.5 kHz
5 Exit the Detail Audio Control mode
Press the [VOL] knob for at least 1 second.
⁄
• When you set the Bass Extend to ON, low frequency
response is extended by 20%.
• You can exit the Audio Control mode at anytime by
pressing any button except for [VOL] knob and [ATT]
button.