This symbol means important instructions.
Failure to heed them can result in
serious injury or death.
DO NOT OPERATE ANY FUNCTION THAT
TAKES YOUR ATTENTION AWAY FROM
SAFELY DRIVING YOUR VEHICLE.
Any function that requires your prolonged
attention should only be performed after
coming to a complete stop. Always stop the
vehicle in a safe location before performing
these functions. Failure to do so may result in
an accident.
KEEP THE VOLUME AT A LEVEL WHERE YOU
CAN STILL HEAR OUTSIDE NOISE WHILE
DRIVING.
Failure to do so may result in an accident.
MINIMIZE DISPLAY VIEWING WHILE
DRIVING.
Viewing the display may distract the driver
from looking ahead of the vehicle and cause an
accident.
USE THE CORRECT AMPERE RATING WHEN
REPLACING FUSES.
Failure to do so may result in fire or electric
shock.
USE ONLY IN CARS WITH A 12 VOLT
NEGATIVE GROUND.
(Check with your dealer if you are not sure.)
Failure to do so may result in fire, etc.
DO NOT BLOCK VENTS OR RADIATOR
PANELS.
Doing so may cause heat to build up inside and
may result in fire.
DO NOT DISASSEMBLE OR ALTER.
Doing so may result in an accident, fire or
electric shock.
USE THIS PRODUCT FOR MOBILE 12V
APPLICATIONS.
Use for other than its designed application may
result in fire, electric shock or other injury.
KEEP SMALL OBJECTS SUCH AS BATTERIES
OUT OF THE REACH OF CHILDREN.
Swallowing them may result in serious injury.
If swallowed, consult a physician immediately.
2-EN
CAUTION
PRECAUTIONS
This symbol means important instructions.
Failure to heed them can result in
injury or material property damage.
HALT USE IMMEDIATELY IF A PROBLEM
APPEARS.
Failure to do so may cause personal injury or
damage to the product. Return it to your
authorized Alpine dealer or the nearest Alpine
Service Center for repairing.
DO NOT MIX NEW BATTERIES WITH OLD
BATTERIES. INSERT WITH THE CORRECT
BATTERY POLARITY.
When inserting the batteries, be sure to observe
proper polarity (+ and –) as instructed. Rupture
or chemical leakage from the battery may
cause fire or personal injury.
Temperature
Be sure the temperature inside the vehicle is
between +60°C (+140°F) and –10°C (+14°F)
before turning your unit on.
Installation Location
Make sure the PXA-H900 will not be installed
in a location subjected to:
• Direct sun and heat
• High humidity and water
• Excessive dust
• Excessive vibrations
Maintenance
If you have problems, do not attempt to repair
the unit yourself. Return it to your Alpine
dealer or the nearest Alpine Service Station for
servicing.
3-EN
Basic Operation
Remote control unit
When using the remote control unit
• Point the remote control unit’s transmitter at the remote
control sensor and operate it within a distance of 2
meters.
• Note that the remote control unit may not operate if the
remote control sensor is exposed to direct sunlight.
• The remote control unit is a compact, lightweight, high
precision device. To avoid damage, battery wear,
erroneous operation or reduced operability, be careful of
the following:
- Do not subject the remote control unit to shocks.
- Do not place it in pant pockets.
- Do not spill liquids on it.
- Avoid humidity and dust.
- Do not set it in places exposed to direct sunlight.
Remote control unit light
When the LIGHT button on the remote control unit is
pressed, the remote control unit’s light section turns on for
10 seconds.
Remote control sensor
Remote control transmitter
• When the remaining battery
power gets low, only the LIGHT
button lights.
LIGHT
Holding the remote control unit
Be careful not to cover the transmitter with your fingers,
etc., when operating the remote control unit.
4-EN
Loading batteries
Press down on the groove shown on the diagram
1
and push forward to remove the lid.
Load four “AAA” sized batteries in the indicated
2
directions.
Set the lid back in place and insert until a click is
3
heard.
• Use four “AAA” sized batteries.
WARNING
DO NOT OPERATE ANY FUNCTION THAT TAKES YOUR ATTENTION AWAY FROM SAFELY
DRIVING YOUR VEHICLE.
Any function that requires your prolonged attention should only be performed after coming to a
complete stop. Always stop the vehicle in a safe location before performing these functions.
Failure to do so may result in an accident.
5-EN
Basic Operation
Resetting
Reset the unit when using it for the first time or after replacing the
vehicle’s battery.
Press the reset switch with the tip of a pen, etc.
1
Open the cover using a hexagonal wrench.
Reset switch
Turning the power on and off
This unit does not have a power switch. The head unit to which
the unit is connected, controls its power.
The power indicator lights when the power is
1
turned on.
Power indicator
6-EN
About indicators
HDCD indicator*
Lights amber in the HDCD decode
mode
PRO LOGIC indicator
Lights amber in the Dolby Surround
decode mode
LC
LFE
S
LsRs
Dolby Digital indicator
Lights amber in the Dolby Digital
decode mode
R
DTS indicator
Lights amber in the DTS
decode mode
Input signal indicators
These indicate the signals being input.
LFE
S
R
L:Left front channel
R:Right front channel
C:Center channel
Ls: Left surround channel
Rs: Right surround channel
S:Monaural surround signal
LFE: Low frequency deep bass signal
LC
LsRs
* When the Pro Logic mode is on during HDCD playback
• If “CENTER” or “REAR” is set to “ON” at “Speaker setup”, the HDCD indicator does not light.
• If both “CENTER” and “REAR” are set to “OFF” at “Speaker setup”, the HDCD indicator lights.
MPEG indicator
Lights amber in the MPEG2 decode
mode
7-EN
Basic Operation
ENTER,
MODE
TCR
ch UP
ch DN
Setting the speakers
First make the speaker settings.
Turn off speaker channels that are not connected.
Press the TCR button.
1
Press the ch UP or ch DN button to select a
2
speaker channel to which no speaker is connected.
FLLOW FRLOWFRMID FLHIGHFLMIDFRHIGH
Press the button to set the speaker level to
3
“OFF”.
Repeat steps 2 and 3 to turn “OFF” all non-
connected speaker channels.
TENETR0.0
CR C
()
L:OFFEVEL
Press the ENTER button to complete the setting.
4
[ms]
0.00.0
[[icmnch]]/
LR
• Names of speakers displayed
FLLOW:
Front low range speaker (L)
FRLOW:
Front low range speaker (R)
FLMID :
Front mid range speaker (L)
FRMID :
Front mid range speaker (R)
FLHIGH :
Front high range speaker (L)
FRHIGH :
Front high range speaker (R)
REAR L :
REAR LREAR RCENTERSub Wf.LSub Wf.R
Rear speaker (L)
REAR R :
Rear speaker (R)
CENTER :
Center speaker
Sub Wf. L :
Subwoofer (L)
Sub Wf. R :
Subwoofer (R)
8-EN
Using with Ai-NET
connections
Adjusting the subwoofer
When Ai-NET connections are used, the volume, subwoofer,
balance and fader are adjusted from the head unit (they cannot be
adjusted from the PXA-H900). The subwoofer level only can be
adjusted from the PXA-H900 as well.
Press the MODE button for at least 2 seconds to
1
turn the “Sub Wf.” setting to “ON”.
Sub Wf.ONSub Wf.
Press the MODE button.
2
Press the
adjust.
The level can be adjusted between 0 and +15.
OFF
or button within 5 seconds to
ANALOG INPUT
Sub
Wf.
LR
+12
• The subwoofer cannot be
adjusted when the “Sub Wf.”
setting is set to “OFF”.
9-EN
Basic Operation
INPUT SELECT
VOL
Using with RCA-type or optical
cable connections
(non Ai-NET connections)
Switching the input
The PXA-H900 is equipped with three sets of analog signal inputs
and three sets of digital signal inputs.
Press the INPUT SELECT button to select the
1
input mode.
The sound of the selected mode is output.
DIGITAL1 DIGITAL2 DIGITAL3ANALOG1 ANALOG2 ANALOG3
ANAL OG INP UT
LR
Non Ai-NET connections
Alpine products are equipped for a
bus connection system called “AiNET” which can only be used for
connections between Ai-NET
products.
The PXA-H900 is an Ai-NET
product, but is designed to allow
connections to other (non Ai-NET)
products as well. Thus RCA-type
and optical cable connections are
also possible.
Connections to non Ai-NET
products are referred to as “non AiNET connections”.
10-EN
Adjusting the input level
Using the analog, RCA-type connections, the PXA-H900’s input
level must be preset from the head unit.
Adjust the input level using a sound source with a high recording
level (such as pops or rock music).
Turn on the head unit’s power.
1
Press the VOL button on the PXA-H900 and
2
set the volume level to “0”.
Gradually increase the volume of the head unit
3
until the “OVER” indicator appears in the display.
Reduce the volume slightly from this position,
until the OVER indicator just turns off. This
completes the setting. (The OVER indicator
should only flash momentarily while playing any
source.)
Do not change the head unit volume level from
this optimum setting. Use the PXA-H900, only, for
changing the volume level.
OVER
➔ next page
11-EN
Basic Operation
,,
VOL
VOL
MODE
Using with RCA-type or optical
cable connections
(non Ai-NET connections)
Adjusting the volume, fader , balance
and subwoofer
After determining the input level, adjust the volume, fader,
balance and subwoofer from the PXA-H900. Be careful not to
make these adjustments on the head unit.
Adjusting the volume
Use the VOL and VOL buttons to adjust the
1
volume (from 0 to 35).
ANAL OG INP U T
VOLUME
LR
12
12-EN
Adjusting the fader and balance
Press the MODE button and select the mode to
1
be adjusted.
BALANCEFADERSub Wf.
Use the and buttons or the and buttons
2
within 5 seconds to adjust to the desired level.
BALANCE:
Press the
the volume between the left and right speakers
(from L15 to R15).
or button to adjust the balance of
ANAL OG INP U T
BALANCE
LR
R3
FADER:
Press the
the volume between the front and back speakers
(from F15 to R15).
or button to adjust the balance of
ANAL OG INP U T
FADER
LR
L
F5
Adjusting the subwoofer
Press the MODE button for at least 2 seconds to
1
turn the “Sub Wf.” setting to “ON”.
Sub Wf.ONSub Wf.
Press the MODE button and select “Sub Wf.”.
2
Press the or button within 5 seconds to
3
adjust to the desired level (from 0 to +15).
OFF
BALANCEFADERSub Wf.
ANALOG INPUT
Sub
Wf.
LR
+12
13-EN
Automatic Adjustments
Preparations for automatic
adjustments
The PXA-H900 is equipped with two automatic adjustment
functions: “Adaptive Equalizer” and “Precision Automated Time
Correction”.
The preparations described below must be made in order to
perform these automatic adjustments. After making these
preparations, refer to “Automatic adjustments (Adaptive
Equalizer)” (page 16) and “Performing time correction automatically (Precision Automated Time Correction)” (page 20) to
perform the respective automatic adjustments.
Check that the defeat mode is off.
1
(See page 53.)
Adjust the head unit and amplifier levels.
2
Head unit:
Set the balance and fader to “center”.
Front, rear and center amplifiers:
Set the amp gains to “center” or “normal” to start.
If there are no rear speakers, check that the rear
speakers are turned off. (See page 8.) Gain
levels may be changed if you are not satisfied
with the automatic results. Make the gain
changes and return the automatic adjustment.
Subwoofer amplifier:
Set the amplifier gain to “center” or “normal”. If
the subwoofer is located in the trunk or a remote
place (for example at the very back of a station
wagon), adjust the subwoofer to increase the
volume several steps.
Speaker Crossovers:
Set the crossovers for all the speakers in the
system that will require them. See page 32,
“Crossover adjustment”, for more information on
setting the crossovers.
• The adjustment differs according
to the position of the microphone. Search for the position at
which the desired sound quality
can be achieved.
• We recommend using speaker
boxes or box locations that
produce low levels of indirect
sound (for example, sealed boxes
or vented boxes with the vents
firing into the trunk).
• The proper adjustments cannot
be achieved if the subwoofer is
located in the trunk and the trunk
and cabin are separated by a
metal sheet. Either move the
subwoofer into the cabin or open
a hole in the rear tray to join the
two spaces. (This is not
necessary if the partition is not a
metal sheet.)
If the partition is a metal sheet,
open a hole in the rear tray.
If you encounter a problem,
consult your authorized dealer.
Is the partition a metal
sheet?
Or move the subwoofer into the
cabin.
Connect the included microphone to the PXA-
3
H900.
Refer to the Installation manual.
14-EN
• Do not disconnect the microphone during the automatic
adjustment procedure.
Secure the microphone in place.
4
Failure to fix the microphone securely in place
may result in distortion or improper acoustic
positioning. The microphone must be mounted
very securely so the bass frequencies will not
vibrate it. For example, the microphone could be
wedged between the headrest and the seat. If the
microphone is placed on a tripod, the microphone
must be very securely mounted to the tripod (not
loosely clamped). The tripod must also be very
securely weighted and/or strapped so it cannot
move. The microphone would usually be placed
near the driver’s ear position. However, since the
Adaptive Equalizer is adjusting low frequencies,
the microphone does not need to be at the exact
ear position, it is more important that it is securely
mounted.
Hints for making the Adaptive Equalizer
adjustments
To achieve the desired acoustic image, we recommend fastening
the microphone to the four points described below. (The figures
are approximates. Adjust them according to the vehicle.)
A Ceiling directly above the listening position (driver’s seat
position – sharp sound)
B 20 cm (7-7/8") in front of above position (driver’s seat
position – softer sound than above, bass sound positioned toward front)
C 20 cm (7-7/8") further in front of above position (driver’s
seat position – even softer sound, bass sound positioned
further toward front)
D Base of rearview mirror (position for both driver’s and
passenger’s seats)
D
40cm(15-3/4")
C
20cm(7-7/8")
B
A
0
• The acoustic positioning changes
according to the position of the
microphone because the human
ear senses the distance from the
sound’s focal position. Adjust
according to your personal
tastes.
15-EN
Automatic Adjustments
,
VOL
VOL
AUTO AEQ
Automatic adjustments
(Adaptive Equalizer)
Use this function to automatically perform frequency, phase and
time correction. Adjustments for the acoustic properties specific
to the vehicle’s interior are made to achieve the ideal acoustic
space.
Before starting the automatic adjustment proce-
1
dure, park the vehicle in a quiet place to avoid the
effects of external sounds.
Set the vehicle’s key to the ACC position.
2
Do not start the engine. The vibrations may
make it impossible to achieve the proper adjustment values.
• Preparations must be made
before performing the automatic
adjustment procedure. Refer to
page 14.
• The adjustments differ according
to the position of the microphone. We recommend
performing the operation
repeatedly with the microphone
in different positions. After each
operation, store the settings.
Compare the sound at the
different setting and from
different locations. Select the
one you prefer.
• The Adaptive Equalizer
eliminates or reduces the boomy
bass peaks common to the car
cabin. Elimination of the peaks
“uncovers” the lower bass
information which was masked
before. However, because your
ear and brain are used to those
peaks, the subwoofers may
sound less loud. You must listen
for a few weeks to allow your
ears and brain to recalibrate and
become used to the flat sound.
16-EN
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