Alpine PXA-H600 Owner's Manual page 24

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Basic Operation
Automatic Adjustment Pro-
cedure
Place the supplied microphone in your vehicle to
approximate your ideal listening position. When
the PXA-H600 makes the adjustment, it will
optimize the sound for the microphone's position.
For example, placing the microphone on the
driver's seat headrest will optimize the sound
for the driver. Placing it on the front passenger's
headrest will optimize the sound for the
passenger.
Position the Control Unit (RUA-4260) in a spot
visible from outside the vehicle. Press and hold
the TCR button for 2 seconds. The display will
show "NOW ADJ." for 5 seconds. During this
period, get out of the vehicle and close the door
before the display changes.
If the automatic procedure starts properly, the
unit will adjust the gain, time correction and
phase by generating white noise through the
system. The entire procedure will take about 4
minutes. Upon completion, the display will show
"COMPLETE."
You can now store the results in one of the 6
memory locations. If desired, move the
microphone to another location and repeat the
above procedure. By storing your results for
each position in memory, you can make
settings for each passenger in the vehicle to be
recalled at any time.
Notes: The values obtained in the automatic
adjustment procedure may differ from
the actual measurements because of
the sound reflections and speaker
placement.
The PXA-H600 is designed so that
only direct sound waves reach your
ears from the speakers by cancelling
undesirable sound reflections, do not
place any obstacles between you and
the speakers (except vehicle's seats).
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