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20 DVS9755z
Adjusting automatic sound format
identification (FORMAT)
This function automatically identifies the sound
format of the inserted disc and plays back the
disc accordingly.
• The initial value is [AUTO].
1. Press the [ADJUST] button to enter the AD-
JUST MODE.
2. Press the [ ] or [ ] [DISP] button to show
the [FORMAT] display.
3. Press the [ENT] button to display the adjust-
ment item.
4. Press the [ ] or [ ] [VOL] button to select
[AUTO] or [DTS CD].
• AUTO: Dolby and DTS format discs are au-
tomatically detected.
• DTS CD: select this mode when a DTS CD
cannot be played back in [AUTO] mode.
Note:
• When a DTS DVD or CD disc are played back in
[AUTO], some noise may be generated until the
DTS signal is detected. When this happens, you
can use the [DTS CD ] setting to avoid noise.
5. Press the [ADJUST] button to return to the
original mode.
Turning speakers on or off
(SP-SEL)
The center speaker, surround speakers and sub
woofer have to be set to on or off to achieve
maximum sound quality.
• The initial value is [ON].
1. Press the [ADJUST] button to enter the AD-
JUST MODE.
2. Press the [ ] or [ ] [DISP] button to change
to the [SP-SEL] display.
3. Press the [ENT] button to display the adjust-
ment item.
Press the [ ] or [ ] [DISP] button to select
[CTR-SP], [SRD-SP] or [SUB-WF].
• CTR-SP: center speaker
• SRD-SP: surround speaker
• SUB-WF: subwoofer
4. Press the [ ] or [ ] [VOL] button to select
[ON] or [OFF].
• ON: Speaker installed
• OFF: Speaker not installed
• When a sub woofer is used, set [ON
+
],
[ON
-
] or [OFF]. The normal setting is [ON
+
],
Setting acoustic features (ADJUST MODE)
but use the [ON
-
] setting when this provides
a better effect for low frequency range.
5. Press the [ADJUST] button to return to the
original mode.
Adjusting speaker output level
(SP-GAIN)
Use the built-in test tone function of the unit to
adjust the speaker output level to the same level.
• The initial value is [0 dB].
• A speaker that was turned off in the Sec-
tion, “Turning speakers on or off” is not dis-
played.
1. Press the [ADJUST] button to enter the AD-
JUST MODE.
2. Press the [ ] or [ ] [DISP] button to change
to the [SP-GAIN] display.
3. Press the [ENT] button to display the adjust-
ment item.
• In the adjustment mode, the test tone is
output from the selected speaker.
4. Press the [ ] or [ ] [DISP] button to select
the speaker to adjust.
• Each time the [DISP] button is pressed, the
indications change as shown below.
FRONT-L: front left speaker
CENTER: front center speaker
FRONT-R: front right speaker
R-SRD: right surround speaker
L-SRD: left surround speaker
SUB-WF: rear subwoofer
5. Press the [ ] or [ ] [VOL] button to adjust
the gain.
• The adjustment range is –10 dB to +6 dB.
• Holding down the [ ] or [ ] [VOL] button
to increase or decrease the value in a fast
forwarding way.
Note:
• The sound may become distorted if the level is
set too high. Should this happen, lower the level.
6. Press the [ADJUST] button to return to the
original mode.
Adjusting speaker delay time
(DELAY)
The timing when the sound of each speaker
reaches the listening position depends on
speaker installation and the size of the car. Ad-
just the delay time of each speaker so that the
Control unit button operations