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General features
Function of the KDC-X790
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 11).
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 "Bass FRQ" 40/50/60/70/80/100/
120/150 Hz
Bass Q Factor "Bass Q Factor" 1.00/1.25/1.50/2.00
Bass Extend "Bass EXT" OFF/ON
Middle level
Adjustment Item Display Range
Middle Center Frequency "Middle FRQ" 0.5/1.0/1.5/2.0 kHz
Middle Q Factor "Middle Q
Factor"
1.00/2.00
Treble level
Adjustment Item Display Range
Treble Center Frequency "Treble FRQ" 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%.
Audio Setup
Setting the Sound system, such as Cross over
Network.
1 Select the source to adjust
Press the [SRC] button.
2 Enter Audio Setup mode
Press the [VOL] knob for at least 1 second.
3 Select the Audio Setup 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 Setup the Audio item
Turn the [VOL] knob.
Adjustment Item Display Range
Front High Pass Filter*
2
"HPF-F Fc" Through/40/60/80/100/120/
150/180/220 Hz
Rear High Pass Filter*
2
"HPF-R Fc" Through/40/60/80/100/120/
150/180/220 Hz
Low Pass Filter*
1,2
"LPF-SW" 50/60/80/100/120/
Through Hz
Subwoofer Phase*
1,2,3
"SW Phase" Reverse (180°)/ Normal (0°)
Volume offset "Vol-Offset" –8 — ±0
Loudness "LOUD" OFF/ON
Dual Zone System "2 ZONE" OFF/ON
• Volume offset: Sets each source’s volume as a
difference from the basic volume.
• Loudness: Compensates for low and high tones
during low volume.
• *
1
You can control this item when <Subwoofer
Output> (page 13) is set to "SW ON".
• *
2
You can control this item when "2 ZONE" of <Audio
Setup> (page 12) is set to "OFF".
• *
3
You can control this item when Low Pass Filter is not
set to Through.
• You can exit the Audio Control mode at anytime by
pressing any button except for [VOL], [ANG] and [ATT]
buttons.