External Audio Processor (Optional); Adjustment Procedure For Dolby Surround - Alpine IVA-D900R Owner's Manual

External Audio Processor
(Optional)
When an external audio processor is connected to this unit, you can
operate it from this unit. Some audio processors may not be operated.
When PXA-H510 or PXA-H900 is connected, some of the operations
may not be performed from this unit. In this case, operate them in the
connected product. Explanations below is the case when PXA-H700
or PXA-H701 is connected for example.
Refer also to the operating instructions of the connected audio
processor.
• While your car is running, only A.PROC list is displayed. Carry
out the operation related to any setting while your car stops.
• The adjustments or settings performed on the connected audio
processor cannot be operated properly from this unit.
The Parking Brake must be engaged to access the Audio
Processor mode screen. Attempting to access this screen
while driving will display the warning-CAN'T OPERATE WHILE
DRIVING.
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Adjustment Procedure for Dolby Surround

Make the adjustments described below in order to reproduce Dolby
Digital and DTS sound with greater accuracy.
Adjustment procedure
Speaker setup (page 50)
1
(Turning the speakers to be used on and off and
setting their response)
Adjusting the speaker levels (page 52)
2
(Adjusting the signal output level to the various
speakers)
Mixing bass sound to the rear channel (page
3
51)
(Achieving smooth sound in the rear seat by mixing
the front audio signals with the rear speaker signals)
Adjusting the acoustic image (page 51)
4
(Adjusting the acoustic image to achieve a sound as
if the center speaker were directly in front of the
listener)
Achieving powerful high volume sound (page
5
51)
(Achieving energetic sound with even greater power,
like the sound in a movie theater)
Adjusting the DVD level (page 52)
6
(Adjust the volume (signal level) in the Dolby Digital,
Pro Logic II, DTS and PCM modes.)
Storing settings in the memory (page 52)
7
(Storing all the settings and adjustments made on the
IVA-D900R (not only the above settings/adjusts) in the
memory)
In case of combining the Automatic adjustments etc.
We recommend to make the Automatic adjustments before the Dolby
Surround adjustments.
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