Pioneer DEQ-P90 User Manual

Universal Digital Preamp / Equalizer

Owner’s Manual

DEQ-P90

English

1

Contents

Key Finder .................................................... 3

Head Unit (DEX-P90RS) .................................. 3

Remote Control (DEX-P90RS) ........................ 3

Opening and Closing

the Remote Control Cover ........................ 4

-

When the Cover is Closed

-

When the Cover is Open

Before Using This Product ...................... 6

About This Product .......................................... 6

About This Manual ............................................ 6

About the Digital Network ................................ 6

MODE Switch Setting ...................................... 7

Resetting the Microprocessor ............................ 7

Precaution .......................................................... 8

Audio Adjustment ...................................... 9

Audio Menu ...................................................... 9

-

Switching to the Audio Menu

Audio Adjustment <Main> .................... 11

Main Menu ...................................................... 11

-

Switching to the Main Menu

Fader/Balance Adjustment .............................. 11

Bass/Treble Adjustment .................................. 12

Adjusting the Listening Position .................... 13

-

Using the Position Selector

-

Fine Tuning the Position

-

Effective distance Adjustment

Using the Position Fine Tuning function

Source Level Adjustment ................................ 17

Audio Adjustment <Equalizer> .............. 18

About the Equalizer Menu .............................. 18

Equalizer menu ................................................ 18

-

Switching to the Equalizer Menu
Relation Between Frequency Characteristics

and Sound Quality .................................... 19

Adjusting the 31 Band Graphic Equalizer ...... 21

The Flat function ............................................ 22

Contents

Audio Adjustment <Network> .............. 23

What is the Multi-Amp System? .................... 23

Network Menu ................................................ 24

-

Switching to the Network Menu

Time Alignment Adjustment .......................... 25

-

Switching to the
Time Alignment Adjustment Mode

-

Measuring the Distance to be Corrected

-

Inputting the Distance to be Corrected

Filter Adjustment ............................................ 29

-

Switching to the Filter Adjustment Mode

-

Using the Mute function

-

Adjusting the Filter

Audio Adjustment

<Memory Functions> ........................ 34

Memory Functions of

Adjusted Audio Menu .............................. 34

Switching to Memory Mode .......................... 35

-

Equalizer Menu

-

Network Menu

Storing the Adjustment Data in Memory ........ 36

Recalling Data Stored in Memory .................. 37

-

Recalling Memory Using

Forward/Reverse Order

— Functions of Equalizer Menu —

-

Specifying the Memory Number Directly

Memory Protect function ................................ 39

Memory Clearing Operations .......................... 40

Display for the Person who Set Up

the Audio Adjustments .................... 41

Inputting the Name .......................................... 41

Inputting Characters ........................................ 41

Memory Data Memo ................................ 44

Connecting the Units .............................. 47

WARNING ...................................................... 47

CAUTION ...................................................... 47

Routing the Optical Cable .............................. 48

Setting Example .............................................. 48

Connection Diagram ...................................... 49

Connecting the RCA Input Amplifier ............ 50

Connecting the Power Terminal ...................... 51

Connecting the IP-BUS and Optical Cable .... 52

-

Connecting the Cables

-

Attaching the Noise Filter

Installation ................................................ 54

Installing the Unit ............................................ 54

Troubleshooting ...................................... 55

Checklist .......................................................... 55

Specifications .......................................... 56

2

3

Key Finder

Head Unit (DEX-P90RS)

This unit can be operated with the combined Head Unit DEX-P90RS (sold separately).

Remote Control (DEX-P90RS)

Most of all functions can be operated by the remote control.
Opening the cover enables the SHIFT, RETURN and FUNCTION buttons 1–6 inside the
remote control. For more details, refer to the page 4.

Closed state Open state

5/∞/2/3 buttons

BAND button

MENU button

FUNCTION
buttons 1–6

RETURN button

SHIFT button

BAND button

5/∞/2/3 buttons

Opening and Closing the Remote Control Cover

When the remote control is opening the cover enables the SHIFT, RETURN and FUNC­TION buttons 1–6 inside the unit.

Menu displays with cover open and closed in this system, the available functions and the
menu display vary depending on the condition of the remote control in use.

Remote Control Menu display

Cover closed Closed state

Cover open Open state

4

Key Finder

5

Key Finder

When the Cover is Closed

Closing the cover of the remote control makes the menu display to the closed state.

Menu display in closed state

Example: Main Menu Screen

Note:

• Menu display in closed state: Current mode and functions which are ON are displayed.

When the Cover is Open

Opening the cover of the remote control makes the menu display to the open state.

Menu display in open state

Example: Main Menu Setting Screen

Note:

• Positions of menu items on the display correspond to the positions of FUNCTION buttons 1–6.

• Menu display in open state: Using FUNCTION buttons 1–6, operable functions are displayed.

When the cover is closed in the middle of operation

• Closing the cover during operation releases the previous operation and returns the menu display to
the closed mode.

Before Using This Product

About This Product

This product is universal digital preamp/equalizer which can be operated with the com­bined head unit DEX-P90RS (sold separately). You can operate a number of Audio
Adjustment functions with separately sold head unit.

About This Manual

This product features a number of sophisticated functions ensuring superior reception and
operation. All are designed for the easiest possible use, but many are not self-explanatory.
This operation manual is intended to help you benefit fully from their potential and to
maximize your listening enjoyment.

We recommend that you familiarize yourself with the functions and their operation by
reading through the manual before you begin using this product. It is especially important
that you read and observe the “Precaution” on page 8 and in other sections.

This manual mainly explains the remote control operation. In some functions, you can per­form the same operations with the head unit, however, the remote control offers a number
of buttons such as SHIFT, MENU, RETURN and FUNCTION buttons 1–6 which are not
provided on the head unit. And all of audio adjustment operations can only be conducted
with the remote control.

About the Digital Network

A vehicle, unlike the home audio, imposes several constraints upon the quality of repro­duced sound, and have the following effects:

• Reflected sounds have strong effects on direct sounds because of the confined space and
complex shape within a vehicle. This disturbs frequency characteristics and significantly
reduces sound quality.

• The orientation of the sound image becomes unnatural, because speakers may not be
installed symmetrically to left and right of the listener, or because speakers are installed
in both the front and rear.

This system is equipped with a wide variety of functions that use DSP to create the ideal
sound quality and sound image in a vehicle and overcome these constraints on reverbera­tion.

6

Key Finder / Before Using This Product

7

Before Using This Product

MODE Switch Setting

This product equipped two setting modes. The one is LR/IND mode and the other is
LR/COM mode. LR/IND mode can be adjusted the equalizer and network adjustment
independently between Left and Right channel. LR/COM mode can be adjusted these
adjustment simultaneously between Left and Right channel. Since usable functions are dif­ferent between LR/IND and LR/COM, be sure to set the mode correctly.

• Set MODE switch of this product to appropriate position with a pen tip or
other pointed instrument.

Resetting the Microprocessor

The microprocessor must be reset under the following conditions:
When using this product for the first time after installation.
When the machine fails to operate properly.
When strange (incorrect) messages appear on the display.
When setting the position of the MODE switch of this product.

• To reset the microprocessor, press the RESET button on this unit with a pen
tip or other pointed instrument.

Precaution

• Keep this manual handy as a reference for operating procedures and precautions.

• Always keep the volume low enough for outside sounds to be audible.

• Protect the product from moisture.

• If the battery is disconnected, the preset memory will be erased and must be repro­grammed.

• Should this product fail to operate properly, contact your dealer or nearest authorized
Pioneer Service Station.

8

Before Using This Product

9

Audio Adjustment

Audio Menu

This system has the following three Audio Menus:

Main <Main> (page 11)

This carries out Fader/Balance Adjustments as well as Bass/Treble Adjustment, the basis
for sound quality adjustments. It also sets up and adjusts the Position Selector, which cor­rects the orientation of the sound image for the listener’s position in the vehicle.

Equalizer <Equalizer> (page 18)

This corrects complex frequency disturbance in a vehicle.
The Equalizer function for the component can make fine adjustments of sound quality for
each frequency.

Network <Network> (page 23)

This adjusts the reproduced frequency band (cross-over frequency) and the level of each
sound range (band) when a multi-amp system is set up. It also corrects unnatural orienta­tion of the sound image caused by the locations of the speakers (using the Time Alignment
function), by setting up a delay (time difference) between speakers set up for different
sound ranges.

Note:

• The 5/∞/2/3 buttons on the head unit (DEX-P90RS) can not be used for Audio Adjustment oper­ations.

Switching to the Audio Menu

When the system is ON, you can adjust the sound quality.

Main (Main Menu) = Equalizer (Equalizer Menu) = Network (Network Menu)

3. Press the BAND button and cancel the Audio Menu.

Cancel the Audio Menu to return to the operations screen of the source currently in use.

2. Operate the mode.

1. Each press of MENU button selects the desired Audio Menu in the
following order:

10

Audio Adjustment

11

Audio Adjustment <Main>

Main Menu

With this menu, you can make the following adjustments.

• Fader/Balance Adjustment <FAD/BAL CONTROL> (Closed state)

• Bass/Treble Adjustment <B/T> (Open state)

• Listening Position Adjustment <PS> (Open state)

• Source Level Adjustment <SLA> (Open state)

Switching to the Main Menu

• Press the MENU button and select the Main Menu (refer to page 10).

After the title screen, the display switches to the operation screen of the Main Menu.
Opening and closing the cover of the remote control (refer to page 4) switches between the
open and closed states of the menu display and setting screen.

• To cancel the Main Menu, press the BAND button.

Fader/Balance Adjustment <FAD/BAL CONTROL> (Closed state)

This function allows you to select a fader/balance setting that provides ideal listening
conditions in all occupied seats. This function can be operated with the remote control
cover closed.

1. Close the cover of the remote control (refer to page 4).

2. Adjust front/rear speaker balance with the 5/∞ buttons.

Note:

• In the front-speaker-oriented system, if the fader is set to rear, whole sound level is attenuated.

3. Adjust left/right speaker balance with the 2/3 buttons.

Bass/Treble Adjustment <B/T> (Open state)

It is possible to select one from a choice of four frequencies to becomes the reference
when adjusting the bass/treble tone. The frequencies and level adjustment ranges from
which selections may be made are as follows:

Bass : 63 Hz, 100 Hz, 160 Hz, 250 Hz
Treble: 4 kHz, 6.3 kHz, 10 kHz, 16 kHz
Level adjustment range: –12 dB – +12 dB (1 dB/1 step)

Note:

• Raising the Bass/Treble level too high may result in distortion.
Perform Bass/Treble Adjustment to adjust overall sound quality.

5. Press the 5/∞ buttons and
adjust the level.

Holding down these buttons continues
their operations (with one stop at the
central position).

4. Press the 2/3 buttons and select
a frequency point.

Tune to the desired frequency point.

BASS TREB

3. Press the FUNCTION button 1
again to choose bass (BASS) or
treble (TREB).

Pressing the button switches
bass/treble.

2. Press the FUNCTION button 1.

The display switches to Bass/Treble Adjustment Screen.

1. Open the cover of the remote control (refer to page 4).

This switches to Main Menu Setting Screen.

12

Audio Adjustment <Main>

13

Audio Adjustment <Main>

Adjusting the Listening Position <PS> (Open state)

One way to assure a more natural sound is to clearly position the stereo sound image
(putting you in the center of the sound field).
The Position Selector function adjusts distance and volume level of sound from each
speaker to match seat positions and the number of people in the car, and lets you recall set­tings at the touch of a button. The result is a natural sound regardless of the seat you are
sitting in.

Button Position

5 FRONT (Front Seat Left & Right)

2 FRONT-L (Front Seat Left)

3 FRONT-R (Front Seat Right)

Using the Position Selector <POSI>

Experimenting with other positions

• The position is normally designed to match the listener’s position in the car. However, other
positions may prove to be more effective, depending on the model of the car and the location of the
speakers. Compare the sound and choose the position in which the sounds are most natural.

4. Press one of buttons 2/3/5 and
select the desired position.

Set up the position to match the posi­tion of the listener in the car.

3. Press the FUNCTION button 2
again to turn the Position
Selector function ON.

2. Press the FUNCTION button 2.

The display switches to Position Selector Screen.

1. Open the cover of the remote control in the Main Menu (refer to
page 4).

This switches to Main Menu Setting Screen.

Fine Tuning the Position

After choosing the position using the Position Selector function, it is possible to fine tune
the distance and the difference in sound levels. Conduct the fine tuning to match the loca­tion of the left and right speakers and the shape of the car and correct the position of the
sound image so that the sounds are most natural.

Distance (DIS): 0 — 340 cm (1.7 cm/1 step)

The longer the distance, the longer the sounds coming from the speaker take to reach the
ears of the listener, giving the listener the feeling that the speaker is moving
further away. The sound image thus moves in the direction in which the value for the dis­tance is closer to 0.

Adjustment range in the difference in sound levels (LEV): 0 — –30 dB (1dB/1step)

The smaller the level, the lower the sound volume output from the speaker, giving the lis­tener the feeling that the speaker is moving further away. The sound image thus moves in
the direction in which the value for the difference in sound levels is closer to 0.

Relationship between the distance and the delay time

It is necessary to adjust the delay time, irrespective of the distance between the listening
position and each speaker unit, for better sound quality.
With this system, when you adjust the distance, the corresponding delay time is conducted
automatically. It means that you can adjust the time alignment without calculating.

Note:

• Fine tuning can be conducted separately for each position.

• The values set after fine tuning are stored into memory as the values for the position. When the
position is next called up, the fine tuning values are recalled.

Continued overleaf.

3. Press FUNCTION buttons 1 or 2
and select the distance (DIS)
adjustment or difference in
sound levels (LEV) adjustment.

2. Press the FUNCTION button 2
for two seconds and switch to
Position Fine Tuning Screen.

1. Use the Position Selector
function and select the position
(refer to page 13).

Example: When selecting FRONT–L

14

Audio Adjustment <Main>

15

Audio Adjustment <Main>

Points concerning fine tuning

• While listening to vocals, adjust the distance to position the vocal sound image naturally to the
front.

5. After tuning has been completed, press the RETURN button to cancel the
Position Fine Tuning Screen.

The values are stored in memory and the display returns to Position Selector Screen.

4. Press the 2/3 buttons to correct
the position of the sound image.

Holding down these buttons continues
their operations (during distance
tuning, holding down the button moves
the distance 3.4 cm/1 step).

Effective distance Adjustment Using the Position Fine Tuning function

— Relation to Time Alignment Adjustment function —

When the system comprises a multi-amp system, the distance between the listening posi­tion and each speaker can be tuned using either of two methods.

Time Alignment Adjustment function of the Network Menu (page 25)

The distance between the listening position and each speaker of each band (high, mid, low
and subwoofer) can be adjusted for the left and right speakers.

Distance tuning of the Position Fine Tuning function

The distance between the listening position and the left and right speakers can be tuned,
regardless of the band. The same tuning is conducted for high, mid and low range bands.
With a multi-amp system, combine the two methods to ensure the position of the sound
images are set up more effectively.

Adjusting distance using the Position Fine Tuning function

• When the display has switched to Time Alignment Adjustment Screen after adjusting the distance
between the listening position and each speaker using the Position Fine Tuning function, the values
set using the Position Fine Tuning function will be added to the values created using the Time
Alignment Adjustment function and the sum of the values displayed.

• To store the displayed values in memory as new values for the Time Alignment Adjustment
function (standard values for the Position Fine Tuning function), adjust any one value again, using
the 5/∞ buttons. The displayed values will be stored in memory and the distance between the lis­tening position and each speaker set using the Position Fine Tuning function will be reset and
returned to 0.

When the distance has been using the Time Alignment Adjustment function

• The distance adjustment of the Position Fine Tuning function uses the distance adjustment of the
Time Alignment Adjustment function as its basis. If the distance is reset using the Time Alignment
Adjustment function, this standard value is changed. When this happens, any distance adjustment
previously set using the Position Fine Tuning function is reset to 0.

3. Use the Position Fine Tuning Function to adjust the overall level balance
between the left and right speakers.

Adjust the difference in sound levels between the left and right speakers so that the
sound image is in the front.

2. Adjust the overall distance from the left and right speakers using the
Position Fine Tuning Function.

Use the set values for the Time Alignment Adjustment function to fine tune the overall
balance of the sound image positions.

1. Adjust the distance from each speaker using the Time Alignment
Adjustment function of the Network Menu (refer to page 25).

16

Audio Adjustment <Main>

17

Audio Adjustment <Main>

Source Level Adjustment <SLA> (Open state)

The SLA (Source Level Adjustment) function prevents radical leaps in volume level when
switching between sources. Settings are based on the FM volume level, which remains
unchanged.

Note:

• Since the FM volume is the control, SLA is not possible in the FM modes.

• The MW/LW volume level, which is different from the FM base setting volume level, can also be
adjusted similar to sources other than tuner.

• The head unit’s CD player, Multi-CD player and DVD player are set to the same volume adjust­ment setting automatically.

• AUX, External 1 and External 2 are set to the same volume adjustment setting automatically.

5. Increase or decrease the level
with the 5/∞ buttons.

The display shows “+4” – “–4”.

4. Press Function button 3 on
MAIN Menu Setting Screen.

The display switches to SLA
Adjustment Screen.

2. Press the MENU button to switch to the Main Menu.

3. Open the cover of the remote control switches to Main Menu Setting
Screen.

1. Compare the FM volume with the volume of the other source
(refer to DEX-P90RS (sold separately) Owner’s Manual).

Audio Adjustment <Equalizer>

About the Equalizer Menu

One important factor for creating quality sound is the correction of disturbances in fre­quency characteristics within the complex shape of a vehicle interior.
Reflected sounds have a strong effect on direct sound in a vehicle because of the vehicle’s
shape, the confined space, absorption of sound by the seats and reflection from the win­dows. All these cause disturbances in the frequency characteristics. Such disturbances will
be apparent as reduced sound quality.

Graphic equalizer is used under this system. The graphic equalizer adjustment corrects dis­turbances in frequency characteristics and creates a smooth sound quality.

• As installation conditions differ for the left and right speakers, different corrections must
be made for each. This system’s graphic equalizer is able to correct the left and right
speakers separately.

Equalizer Menu <GEQ>

With this menu, you can make the following adjustments.

• Recalling the Equalizer Curve (Closed state) (Refer to page 37.)

• Adjusting the 31 Band Graphic Equalizer <FINE> (Open state)

• Flat function <FLT> (Open state)

• Memory functions of Adjusted Equalizer Curves (Open state) (Refer to page 34.)

Switching to the Equalizer Menu

After the title screen, the display switches to the operation screen of the Equalizer Menu.
Opening and closing the cover of the remote control (refer to page 4) switches between the
open and closed states of the menu display and setting screen.

• To cancel the Equalizer Menu, press the BAND button.

• Press the MENU button and select the Equalizer Menu (refer to page 10).

18

Audio Adjustment <Main> / Audio Adjustment <Equalizer>

19

Audio Adjustment <Equalizer>

Relation Between Frequency Characteristics and Sound Quality

Sound quality generally has the following characteristics, depending on the frequency.
Refer to these characteristics when making adjustments.

q This sound range feels almost like pressure on the ears of the listener, particularly if the

sound is too strong.

w In this range, the listener feels the heavy bass. This is also the range in which the

impact of the sound is felt in the body. Excessive sound in this range will impair the
clarity of the overall sound.

e The sound range required for bass. A lack of sound in this range results in a weak bass

impact, while excessive sound will muffle the overall sound. A clear reproduction lends
depth to the overall sound.

r This is the sound range in which the sound signals are most dense and where the sound

outline is created. A lack of sound in this range results in a lack of warmth. Excessive
sound dims clarity.

t The sound range required for the core of the sound. A lack of sound in this range

weakens the core. An important range for keeping the overall sound quality in balance.

y In this range, the sharp, expansive sounds of the brass and electric guitar are felt.

However, excessive sound in this range is tiring on the ears.

u This sound range adds color and gaiety to the overall sound. A lack in sound in this

range will result in a muffled overall sound, while excessive sound will enhance the
metallic aspects.

i This range is required for the glamorous sound of the cymbals. However, this range

does not contain the basic frequencies of almost all the instruments. Therefore, if the
sound in this range is lacking somewhat, the overall sound quality will not deteriorate
markedly.

qwe r t uyi

Bass Drum

Tenor Saxophone

Electric Organ

Flute

Trumpet

Piano

Guitar

Violin

Piccolo

Bass

Baritone

Tenor

Alto

Soprano

Cymbals

The points when adjusting the equalizer curve

• Take the recreated frequency bands of the speakers into consideration when adjusting. For example,
when a speaker with a band between 80 Hz and 4 kHz is connected, adjusting the level in 50 Hz or
10 kHz will have no effect.

• Balancing the bass and treble is recommended. The bass tends to be lacking when no subwoofer is
connected. Adjust the treble to a lower volume to match the weaker bass and create a well-balanced
sound.

• Noises coming from the road make the bass seem weak while driving. If the level is below 100 Hz,
adjust to a slightly greater level to maintain superb sound balance while driving.

• When the sound is inadequate or excessive, it is recommended to set the levels after checking the
frequencies of the sounds in question by changing the peripheral frequencies to the maximum or
minimum.

20

Audio Adjustment <Equalizer>

21

Audio Adjustment <Equalizer>

Adjusting the 31 Band Graphic Equalizer <FINE> (Open state)

Adjustable frequency : 20 Hz — 20 kHz (Every 1/3 octaves, total 31 bands)
Level adjustment range: –12 dB — +12 dB (0.5 dB/1 step)

Note:

• If you selected LR/COM mode (refer to page 7), you can’t switch between left and right channel. In
this case, <FRT> is displayed and the equalizer setting of left and right channel go to the same.

When completing the adjustment

• It is recommended that adjustment settings be stored in memory soon after the adjustments are
completed. Refer to page 34 for Memory operations.

6. Switch between right and left to set up the equalizer curve.

Repeat steps 2–5 to set up equalizer curves for the left and right speakers separately.

5. Adjust the other bands.

Repeat steps 3 and 4 to adjust to the desired sound.

4. Press the 5/∞ buttons and
adjust the level.

3. Press the 2/3 buttons and select
the desired band (frequency) to
be adjusted.

2. Press the FUNCTION button 2
and select left or right channel.
(Only for LR/IND mode.)

Each press the FUNCTION button 2
switches left and right channel.

1. Open the cover of the remote
control in the Equalizer Menu
(refer to page 4).

This switches to Equalizer Menu
Setting Screen.

The Flat function <FLT> (Open state)

The adjusted equalizer curve can be temporarily returned to its prior status before making
the adjustment (all levels are 0 dB), using the Flat function.
This is convenient for checking the effects of the adjusted equalizer curve.

Note:

• When the Flat function is ON, the Equalizer Adjustment or Memory operations of the Equalizer
curve can not be conducted.

2. Press the FUNCTION button 1
switches the Flat function
ON/OFF.

“FLT ” is displayed when the Flat
function is ON.

1. Open the cover of the remote
controller in the Equalizer Menu
(refer to page 4).

This switches to Equalizer Menu
Setting Screen.

22

Audio Adjustment <Equalizer>

23

Audio Adjustment <Network>

What is the Multi-Amp System?

The multi-speaker system reproduces each frequency band (high, mid, low and ultrabass­ranges) through its own exclusive speaker unit. The multi-amp system provides an
exclusive power amplifier for each speaker unit.

There is only limited space in a vehicle for installing speakers, and it is difficult to install
large-diameter speakers in a door or on the dashboard and get high sound quality. To over­come this problem, tweeters (high-range) are sometimes installed in the dashboard in order
to move the sound image upwards, or the subwoofers are installed in the rear tray in order
to improve bass and ultrabass reproduction. Thus, using a multi-speaker system can correct
imbalances in the sound image and significantly improve the total sound quality.

The multi-amp system offers the following features, allowing direct operation of the exclu­sive speaker unit for each frequency range by an exclusive power amplifier.

• It is possible to reduce the modulation distortion rate since high-range signals are not
effected by strong signals in the low range.

• As it is possible to select amplifiers and speakers to suit the characteristics of each fre­quency range, the load on each unit is reduced, ensuring optimum performance.

Under the multi-amp system, it is necessary to divide the audio signals into each frequency
range (band) and strictly control the set up conditions, using the network.

Under this system, the audio unit incorporates a network. The following adjustments can
be conducted within the vehicle.

• Time Alignment Adjustment function : adjusts for the difference in the distance

between the listener and each speaker unit.

• Filter function : sets up a low pass filter and high pass filter to

decide the reproduced frequency band, the
level and the phase of each speaker unit.

As the audio signals are processed in the form of digital signals when the network is work­ing, the sound characteristics that best fit the vehicle interior may be created without any
deterioration in sound quality.

Network Menu <N.W.>

With this menu, you can make the following adjustments.

• Time Alignment Adjustment <T.A.> (Open state)

• Filter Adjustment <FTR> (Open state)

• Memory functions of Adjusted Network (Open state) (Refer to page 34.)

Switching to the Network Menu

• Press the MENU button and select the Network Menu (refer to page 10).

After the title screen, the display switches to the operation screen of the Network Menu.
Opening and closing the cover of the remote control (refer to page 4) switches between the
open and closed states of the menu display and setting screen.

• To cancel the Network Menu, press the BAND button.

If adjustments are difficult

• Adjusting the Network requires technical skills and knowledge of the amplifiers and speakers
installed in the system. Consult your dealer from which the products were purchased if adjustments
are difficult.

• When adjustments have already been made at your dealer, the optimum setup for vehicle’s
particular interior has already been installed in the memory. In this case, recall the corresponding
memory for use (refer to page 37).

When completing the adjustment

• It is recommended that adjustment settings be stored in memory soon after the adjustments are
completed. Refer to page 34 for Memory operations.

• After completing the network adjustments, adjust the overall balance of the sound image by using
the Position Fine Tuning function of the Main Menu as necessary (refer to page 14).

24

Audio Adjustment <Network>

25

Time Alignment Adjustment <T.A.> (Open state)

In the vehicle, the different speaker units are at widely differing distances from the
listener. The sounds from the speakers therefore reach the listener at different times. When
a multi-amp system is set up, this causes different delays for each frequency band (high,
mid, low and ultrabass-ranges), marring the position of the sound image and the overall
balance and disturbing the frequency characteristics.

The Time Alignment Adjustment function is able to synchronize the arrival times of the
different sounds by delaying the output of signals from the closest speaker units.

Switching to the Time Alignment Adjustment Mode

Measuring the Distance to be Corrected (Delay Time)

It is necessary to calculate the delay time to correct the time differences between speaker
units. In order to adjust the Time Alignment Adjustment function more easily, this System
allows the delay time to be set up by simply inputting the difference in the distance
between speaker units (the distance to be corrected). (The delay time will be automatically
calculated by this system.)

Although the distance from each speaker unit varies depending on the position of the
listener, the first set up is made for the driver’s seat. If the set up has been made for the
driver’s seat, the optimum delay time for the listener’s position can be set up by simply
switching the Position Selector function (refer to page 13) to the listening position. (This
System automatically calculates and sets up the optimum delay time for each position.)

2. Press the FUNCTION button 2.

The display switches to Time Alignment Adjustment Screen, allowing time alignment
adjustment.

1. Open the cover of the remote
control in the Network Menu
(refer to page 4).

This switches to Network Menu
Setting Screen.

Audio Adjustment <Network>

Example: making corrections for the driver’s seat in a left-hand drive vehicle

• Measure the distance between the head of the listener, when sitting in the
driver’s seat, and each speaker unit.

Note:

• The unit of distance must be centimeters.

Note:

• It is recommended that the boxes be filled in as the measurements are made, as this information

may prove useful at a later date.

• Measure the distances to be corrected in the same manner for other systems than those used in the

above example.

Left Speaker (L)

Front tweeter
(high-range)

Front mid
(mid-range)

Front bass
(low-range)

Front tweeter
(high-range)

Front mid
(mid-range)

Front bass
(low-range)

Right Speaker (R)

Subwoofer
(ultrabass-range)

Subwoofer
(ultrabass-range)

r1

r3

r5

r7

r8

r2

r4

r6

26

Audio Adjustment <Network>

27

Audio Adjustment <Network>

Inputting the Distance to be Corrected (Delay Time)

Scope of adjustment: 0 – 340.0 cm (1.7 cm/1 step)

Note:

• The correct distance can not be input unless these operations are conducted.

S.W. (ultrabass-range) Ô LOW (low-range) Ô MID (mid-range) Ô HIGH (high­range)

5. Press FUNCTION buttons 1 or 2
and select the band to input.

Each press of the FUNCTION buttons
1 or 2 select the desired band in the
following order:

4. Press FUNCTION buttons 3 or 4
and select the speaker channel to
input.

Press the buttons to switch between left
(LEFT) and right (RIGHT).

3.

Press the FUNCTION button 5
and select the driver’s seat (posi­tion).

Press the buttons to switch between
“FRONT-R” and “FRONT-L”. Select
the position when measuring the
distance to be corrected as shown on
the page 26.

2. Press the FUNCTION button 2.

The display switches to Time Alignment Adjustment Screen, allowing time alignment
adjustment.

1. Open the cover of the remote control in the Network Menu (refer to page 4).

This switches to Network Menu Setting Screen.

Note:

• Some systems may indicate values for speaker units which are not connected. Verify the composi­tion of the system in order to correctly adjust the bands for the connected speaker units.

7. Carry out time alignment adjustments for the other speaker units.

Repeat steps 4 – 6 to input the distance to be corrected for each speaker unit.

6. Press the 5/∞ buttons to input
the distance to be corrected
(delay time).

Input the distance to be corrected, as
measured on page 26.
Holding down these buttons continues
their operations (during distance
tuning, holding down the button moves
the distance 3.4 cm/1 step).

28

Audio Adjustment <Network>

29

Audio Adjustment <Network>

Filter Adjustment <FTR> (Open state)

The following adjustments can be made during filter adjustments. Make the appropriate
adjustments for the reproduced frequency band and characteristics of the connected
speaker unit.

Filter frequency adjustment: Every 1/3 octave
Level adjustment: 0.5 dB/1 step

The cut-off frequencies of the high pass filter (H.P.F.) and the low pass filter (L.P.F.) of
each band (subwoofer, low, mid, high) and the reproduction level of each band are set up.

Range Cut-off frequency Cut-off frequency Level adjustment

of H.P.F. of L.P.F. range

Subwoofer-range 20 Hz — 100 Hz 25 Hz — 250 Hz –24 — +10 dB

Low-range 25 Hz — 250 Hz 250 Hz — 10 kHz –24 — 0 dB

Mid-range 200 Hz — 10 kHz 2 kHz — 20 kHz –24 — 0 dB

High-range 1.6 kHz — 20 kHz 8 kHz — 20 kHz –24 — 0 dB

Slope adjustment: PASS, –6 dB/oct. — –36 dB/oct. (Every –6 dB/oct., total of 6 steps)

The slope (inclination of attenuation of filter characteristics) of H.P.F. and L.P.F. is set up.

Note:

• When the slope is set as PASS, the audio signals bypass the filter circuit, cutting out the effect of
the filter circuit.

• In order to protect the speaker unit, H.P.F. has no PASS set up for high ranges.

• In order to protect the speaker unit, H.P.F. has no PASS set up for mid-range, however you can set
to PASS by changing the settings (refer to page 32, step 8).

20 100 1K

0

10K

Frequency (Hz)

Cut-off frequency of the L.P.F.

Cut-off frequency of the H.P.F.

Level adjustment

Reproduced frequency band: the signals for frequencies

during += is reproduced.

Slope adjustment

Level (dB)

About the H.P.F. and L.P.F.

High pass filter eliminates lower sound ranges (low-range) from the set up frequencies and
allows high ranges through.
Low pass filter eliminates upper sound ranges (high-range) from the set up frequencies and
allows low ranges through.

About the slope

This value indicates how many dB the signals attenuate when the frequency increases (or
decreases) 1 octave (unit: dB/oct.). Increasing the degree of the slope increases the degree
of signal attenuation.

Note:

• Setting the slope of H.P.F. and L.P.F. of the low-range as PASS creates a full range setup.

Switching to the Filter Adjustment Mode

Using the Mute function (MUT)

It is possible to turn the Mute function ON/OFF for each band. Turning ON the Mute func­tion stops the sound output for that band. Adjust the filter while turning the Mute function
ON/OFF as necessary.

Before making filter adjustments

• When the position is set up for the driver’s seat after adjusting the distance between the listening
position and each speaker of the Time Alignment Adjustment function (refer to page 25), it is rec­ommended that filter adjustments be made.

• Store the different filter characteristics into memory, by the listening position set up with the
Position Selector function (refer to page 13) or by the source being listened, and switch when nec­essary. Refer to page 34 for memory operations.

2. Press FUNCTION button 5
switches the Mute function
ON/OFF.

When muting is turned ON the filter
curve displayed disappears from the
display.

1. Select the band for which the Mute function is to be turned ON.

To select a band, consult “Adjusting the Filter” on the following page.

2. Press FUNCTION button 1 on
Network Menu Setting Screen.

The display switches to Filter
Adjustment Screen, allowing filter
adjustments.

1. Open the cover of the remote control in the Network Menu (refer to page

4).

This switches to Network Menu Setting Screen.

30

Audio Adjustment <Network>

31

Audio Adjustment <Network>

Adjusting the Filter

First, determine the approximate band to be used, taking into consideration the reproduced
frequency band and the characteristics of the connected speaker.

Important points in adjusting cut-off frequencies

• If the subwoofer is installed in the rear tray, setting a high cut-off frequency of L.P.F. of the
subwoofer separates the bass and gives the listener the feeling that the bass is coming from behind.
The L.P.F. of the subwoofer is recommended to be set at 100 Hz or below.

• Speakers used for mid and high-ranges are generally constructed to handle a limited level of input
compared to low range speakers. If the cut-off frequency of H.P.F. is set lower than necessary,
strong bass signals can reach the speaker and may damage it.

Important points in adjusting the level

• The low band, because of its sound frequency characteristics, incorporates the basic frequencies of
many musical instruments. It is recommended that the level adjustment of the low band be made
first, and then the level adjustment of the mid, high, and subwoofer be made in that order.

6. Set up the cut-off frequencies of each filter for all the bands.

Repeat steps 4 and 5 to adjust each filter so that the band used and crossover frequency
are appropriately located.

5. Press the 2/3 buttons to set up
the cut-off frequency of the
selected filter (crossover
frequency).

Holding down these buttons continues
their operations.

4. Press FUNCTION buttons 1 or 2
and select the filter to be
adjusted.

Press the button to switch the band to
be adjusted and high pass filter/low
pass filter.

3. Press FUNCTION button 6 and
select left (Left) or right (Right)
channel (only for LR/IND mode).

Each press the FUNCTION button 6
switches left and right channel.

2. Press the FUNCTION button 1.

The display switches to Filter Adjustment Screen, allowing filter adjustments.

1. Open the cover of the remote control in the Network Menu (refer to page 4).

This switches to Network Menu Setting Screen.

When you selected MID H.P.F.

• Press the FUNCTION button 3 for two seconds and you can set to PASS of MID H.P.F.
(Press the button again returns to MID H.P.F. slope setting.)

10. Switch between left and right channel to adjust the filter.

Repeat steps 3–9 to adjust the filters of left and right.

9. Press FUNCTION button 4 and
adjust the phase of each band.

Press the button to change between
normal (NOR) and reverse (REV).
Set up the one which makes the better
link to the next band.

8. Press FUNCTION button 3 and
adjust the slope of each filter.

Press the button to change the
adjustment values.
The slope can be set up for either the
high pass filter or the low pass filter.
When setting up, have in mind the
adjustments to be made to the next
band.

7. Press the 5/∞ buttons and
adjust the level of each band.

Holding down these buttons continues
their operations.
Switch to each band and adjust the
level in order to create a better overall
balance.

32

Audio Adjustment <Network>

33

Audio Adjustment <Network>

Important points in adjusting the slope

• A decrease in the absolute value of the slope (more gentle inclination) makes the frequency
characteristics more susceptible to interference from the next band.

• Increasing the absolute value of the slope (sharper inclination) lessens the connections between
bands, giving the listener the impression of hearing separate, unrelated sounds.

• Make adjustments while monitoring the link between bands by outputting all the bands as well as
by outputting two neighboring bands only, using the Mute function (refer to page 30).

Important points in adjusting the phase

• When the values of the slope at the crossover point are set at –12 dB/oct. or –36dB/oct. for both
filters, the phase reverses 180˚ in the cut-off frequency of the filter. In this case, setting to reverse
improves the connection between sounds.

For better frequency characteristics

• Adjusting the filter together with the equalizer function (page 18) creates a natural sound environ­ment in the car.

Adjusting the subwoofer effectively

• Although the slope of the high pass filter is normally set as PASS, H.P.F. may sometimes repro­duce clear and high quality bass rage. In this case, adjust the cut-off frequency to 20 – 40 Hz and
adjust the slope to –18 – –36 dB/oct.

• If the subwoofer is installed in the rear tray, setting up the slope of the low pass filter gently (–6,
–12 dB/oct.) gives the listener the feeling that the sound dwindles to the rear, with a resultant dis­tortion of the forward sound image position. It is recommended to set the slope at –18 dB/oct. or
more and set the cut-off frequency to 100 Hz or below.

Adjusting the low-range effectively

• When the subwoofer is connected and low-ranges are reproduced by small speaker unites such as
10 or less than 13 cm in diameter, setting the low-range H.P.F. as PASS may increase the distortion
when strong bass signals enter. Should this occur, set up H.P.F. to avoid interference with the sub­woofer.

Adjusting the high-range effectively

• Depending on the speaker units installed, bass signals for the tweeter (about 2 kHz or below) may
cause distortion as the high pass filter is being adjusted. If this happens, set a sharp slope of –18 –
–36 dB/oct. In this case, choose such settings that the mid-range and tweeter do not become sepa­rated.

• The low pass filter is generally set to PASS. However, if the ultratreble band falls harshly on the
ear, it is possible to set up a more gentle slope of about –6 dB/oct.

0 dB

–3 dB

Normal Reverse

–12 dB/oct.
–36 dB/oct.

Audio Adjustment <Memory Functions>

Memory Functions of Adjusted Audio Menu (MEMO)

This system allows the contents of the adjusted equalizer and network to be stored in mem­ory as follows. The numbers in ( ) represent the numbers of the memory registers to be
used.

Note:

• The Equalizer Menu’s equalizer curve, and the Network Menu’s Time alignment and Filter
adjustment are simultaneously stored in memory.

Memory (5)

This memory stores the equalizer curve and network setup that have been adjusted to the
desired position.

The memory operations (storing, recalling, etc.) are carried out using each menu screen.
In this manual, the memory operations that are common to all the menus are illustrated
mainly using the screens for a 31 band graphic equalizer. Conduct the same operations on
other menus.

Note:

• Pressing the RESET button of this unit will reset the Memory. Before pressing the RESET button,
it is preferable to contact your dealer.

34

Audio Adjustment <Network> / Audio Adjustment <Memory Functions>

35

Audio Adjustment <Memory Functions>

Switching to Memory Mode

Memory operations are conducted in the memory mode of each Audio Menu.

Equalizer Menu

Note:

• This operation cannot be conducted when the Flat function of the Equalizer Menu is ON.

Network Menu

Note:

• This operation cannot be conducted when the screen shows Filter Adjustment Screen or Time
Alignment Adjustment Screen.

2. Press the SHIFT button.

The display switches to Network Memory Operation Screen for conducting memory
operations. Press the button again to return to the previous screen.

1. Open the cover of the remote control in the Network Menu (refer to page 4).

2. Press the SHIFT button.

The display switches to Equalizer Memory Operation Screen for conducting memory
operations. Press the button again to return to the previous screen.

1. Open the cover of the remote control in the Equalizer Menu (refer to page 4).

Storing the Adjustment Data in Memory

Note:

• When the adjustment data have been stored, the previous data are eliminated and replaced by the
new.

To avoid accidentally erasing stored data

• In order to avoid erasing stored data with new data, it is possible to set up a Protect function
(refer to page 39).

• Protect function is simultaneously turned on for M1, M2, M3 and M4 and it is not possible to store
new data in these memories. In this case, to store the new data, select M5 or cancel the protect func­tion.
To cancel the protect function, the memory to be canceled must be recalled. Therefore, the current
adjustment data is cleared. When the Protect function has been canceled, make the adjustment
again.

4. Press the SHIFT button to cancel memory mode.

The display returns to the previous screen.

3. To store in memory, press the FUNCTION button corresponding to the
desired memory number for two seconds.

2. Switch to the memory mode of
each menu (refer to page 34).

The display switches to Memory
Operation Screen of each menu.

1. Adjust each Audio Menu.

Equalizer Menu (page 18)
Network Menu (page 23)

36

Audio Adjustment <Memory Functions>

37

Audio Adjustment <Memory Functions>

Recalling Data Stored in Memory

There are two ways to recall data stored in memory.

In Forward/Reverse Order — Functions of Equalizer Menu —

This function can be operated when the cover of the remote control is closed. Stored data
can be recalled by moving forwards or backwards through the memory numbers (the num­bers of the corresponding FUNCTION buttons).

Note:

• It is not possible to recall the memory in this manner when operating the network menu.

Specifying the Memory Number Directly

This function can be operated when the cover of the remote control is open and the menu
displays open state. Stored data can be retrieved directly.

Recalling Memory Using Forward/Reverse Order — Functions of Equalizer

Menu

—

2. Press the 5/∞ buttons to recall the memory.

Press these buttons to move forwards or backwards through the memory numbers.

1. Close the cover of the remote
control.

The menu display switches to closed
state.

Specifying the Memory Number Directly

Memory recall operations on the Equalizer Menu

• When the Flat function is turned ON, it is not possible to recall memory.

After completing adjustments

• Recalling the memory clears the adjustment data. Store the adjustment data into memory when
necessary (refer to page 35).

2. Press the FUNCTION button to recall the memory.

Press the FUNCTION button which corresponds to the desired memory number.

1. Switch to the memory mode of each menu (refer to page 35).

The display switches to Memory Operations Screen of each menu.

38

Audio Adjustment <Memory Functions>

39

Audio Adjustment <Memory Functions>

Memory Protect function

In order to avoid accidentally erasing data which have been stored in memory, or to avoid
replacing stored data, it is possible to set up a Protect function for the following memory
numbers.
When the Protect function is ON, adjustment data storage operations are not accepted.

Note:

• When the Protect function is ON, memory M1 to M4 is protected simultaneously.

• You cannot operate the Protect function on M5 memory.

When turning the Protect function ON/OFF

• Turning the Protect function ON/OFF does not bring up anything on the display.

• When the Protect function is turned ON and the user attempts to store new data in that memory, the
“ ” appears to signify that data storage is not possible.

2. Press the RETURN button for two seconds to turn ON the Protect
function.

Press the button again for two seconds to cancel the Protect function.

1. Recall the memory (refer to page 38).

Specify the memory number directly to recall the memory.

Memory Clearing Operations

It is possible to clear the memory of the equalizer and network. Clearing operations are
conducted as follows.

Note:

• When the Protect function is turned ON, it is not possible to clear the memory.

2. Press the FUNCTION button 6 for two seconds to clear the memory.

1. Recall the memory to be cleared by clearing operation (refer to page 38).

Specify the memory number directly to recall the memory.

40

Audio Adjustment <Memory Functions>

41

Display for the Person who Set Up the Audio Adjustments

Inputting the Name

Inputting the name of the person who set up the memory (Equalizer and Network) of the
Audio menu, or messages, stores them in the DEX-P90RS’ head unit’s memory. The
DEX-P90RS head unit is sold separately.
Switching to each Audio menu brings up the title screen of each menu first. On this title
screen of the Audio menu, the stored contents are displayed.

Note:

• A maximum of 20 characters can be stored.

• The same contents are displayed on the title screen of all the Audio menus.

Inputting Characters (Switching to the Edit Mode)

Characters are input in Edit Mode (EDIT).

3. Press the SHIFT button for two
seconds to switch to Edit Mode.

The display switches to Character
Input Screen to allow input of
characters.

2. Open the cover of the remote
control.

(Example: Main Menu)

1. Press the MENU button to switch to the Audio Menu.

It is possible to switch to edit mode from all the Audio Menus
(Main/Equalizer/Network). Switch to one of these menus.

Note:

• You can select to input Numbers and Symbols by pressing FUNCTION button 2.

Continued overleaf.

6. Move the box left and right with
the 2/3 buttons.

To insert a space, skip the box with the
3 button.

5. Select letters, numbers and sym­bols with the 5/∞ buttons.

4. Switch the desired character
type with FUNCTION button 1.

Each press of FUNCTION button 1
changes the Character type in the fol­lowing order:
Upper case alphabet (Capital Letter),
Numbers and Symbols = Lower case
alphabet (Small Letter) = European
letters (European Character), such as
those with accents (e.g. á, à, ä, ç)

42

Display for the Person who Set Up the Audio Adjustments

43

Display for the Person who Set Up the Audio Adjustments

When removing the car battery

• The separately sold head unit (DEX-P90RS) stores the name of the person who set up the audio in
memory. Removing the car battery clears the memory.

9. The contents stored in memory are indicated on the display.

Switching the Audio Menu displays on the title screen the contents stored in memory.

8. Press the FUNCTION button 6 or RETURN button and return to the
previous mode.

7. When you have completed title input, memorize by pressing the
FUNCTION button 5.

Memory Data Memo

Frequency

20 Hz

25 Hz

31.5 Hz

40 Hz

50 Hz

63 Hz

80 Hz

100 Hz

125 Hz

160 Hz

200 Hz

250 Hz

315 Hz

400 Hz

500 Hz

630 Hz

800 Hz

1 kHz

1.25 kHz

1.6 kHz

2 kHz

3.15 kHz

4 kHz

5 kHz

6.3 kHz

8 kHz

10 kHz

12.5 kHz

16 kHz

20 kHz

M1 M2 M3 M4 M5

Equalizer

2.5 kHz

44

Display for the Person who Set Up the Audio Adjustments / Memory Data Memo

45

Memory Data Memo

Network: Filter characteristics

M1 M2

L.P.F. H.P.F.

Frequency

Phase

Slope

L.P.F. H.P.F.

LEFT

RIGHT

M3 M4

L.P.F. H.P.F. L.P.F. H.P.F.

LEFT

RIGHT

M5

L.P.F. H.P.F.

LEFT

RIGHT

Level

Frequency

Slope

Frequency

Phase

Slope

Level

Frequency

Slope

Frequency

Phase

Slope

Level

Frequency

Slope

Frequency

Phase

Slope

Level

Frequency

Slope

Frequency

Phase

Slope

Level

Frequency

Slope

S.W.

LOW

MID

HIGH

S.W.

LOW

MID

HIGH

S.W.

LOW

MID

HIGH

S.W.

LOW

MID

HIGH

S.W.

LOW

MID

HIGH

S.W.

LOW

MID

HIGH

Memory Data Memo

46

Network: Time Alignment

M1

Left (LEFT)

Right (RIGHT)

Position:

S.W.

LOW

MID

HIGH

M2

Left (LEFT)

Right (RIGHT)

M3

Left (LEFT)

Right (RIGHT)

M4

Left (LEFT)

Right (RIGHT)

M5

Left (LEFT)

Right (RIGHT)

Position:

S.W.

Position:

S.W.

Position:

S.W.

Position:

S.W.

LOW

LOW

LOW

LOW

MID

MID

MID

MID

HIGH

HIGH

HIGH

HIGH

47

Connecting the Units

WARNING

• For traffic safety and to maintain safe driving
conditions, keep the volume low enough so that
you can still hear normal traffic sound.

• Check the connections of the power supply and
speakers if the fuse of the battery wire or the
amplifier fuse blows. Detect the cause and solve
the problem, then replace the fuse with another
one of the same size and rating.

• To prevent malfunction of the amplifier and speak­ers, the protective circuit will cut the power supply
to the amplifier (sound will stop) when an abnor­mal condition occurs. In such a case, switch the
power to the system OFF and check the
connection of the power supply and speakers.
Detect the cause and solve the problem.

• Contact the dealer if you cannot detect the cause.

• To prevent an electric shock or short-circuit
during connection and installation, be sure to
disconnect the negative (–) terminal of the battery
beforehand.

• Confirm that no parts are behind the panel when
drilling a hole for installation of this unit. Be sure
to protect all cables and important equipment such
as fuel lines, brake lines and the electrical wiring
from damage.

CAUTION

• This unit is for vehicles with a 12-volt battery and
negative grounding. Before installing it in a recre­ational vehicle, truck, or bus, check the battery
voltage.

• To avoid shorts in the electrical system, be sure to
disconnect the ≠ battery cable before beginning
installation.

• Refer to the owner’s manual for details on con­necting the power amp and other units, then make
connections correctly.

• Secure the wiring with cable clamps or adhesive
tape. To protect the wiring, wrap adhesive tape
around them where they lie against metal parts.

• Route and secure all wiring so it cannot touch any
moving parts, such as the gear shift, handbrake,
and seat rails. Do not route wiring in places that
get hot, such as near the heater outlet. If the insula­tion of the wiring melts or gets torn, there is a dan­ger of the wiring short-circuiting to the vehicle
body.

• Don’t pass the yellow lead through a hole into the
engine compartment to connect to the battery. This
will damage the lead insulation and cause a very
dangerous short.

• Do not shorten any leads. If you do, the protection
circuit may fail to work when it should.

• Never feed power to other equipment by cutting
the insulation of the power supply lead of the unit
and tapping into the lead. The current capacity of
the lead will be exceeded, causing overheating.

• When replacing a fuse, be sure to use only fuses of
the rating prescribed on the fuse holder.

• The black lead is ground. Please ground this lead
separately from the ground of high-current prod­ucts such as power amps.
If you ground the products together and the ground
becomes detached, there is a risk of damage to the
products or fire.

• When this product’s source is switched ON, a con­trol signal is output through the blue/white lead.
Connect to an external power amp’s system
remote control (max. 300 mA 12 V DC).

• When an external power amp is being used with
this system, be sure not to connect the blue/white
lead to the amp’s power terminal.

• To prevent incorrect connection, the input side of
the IP-BUS connector and Optical connector is
blue, and the output side is black. Connect the con­nectors of the same colors correctly.

• Cords for this product and those for other prod­ucts may be different colors even if they have
the same function. When connecting this product
to another product, refer to the supplied manuals
of both products and connect cords that have the
same function.

Setting Example

RCA Input Amplifier

DEQ-P90

DEX-P90RS
(sold separately)

Front Woofer Subwoofer

Multi-CD player
(sold separately)

Front Mid-rangeFront Tweeter

Optical cable

IP-BUS cable

48

Connecting the Units

Routing the Optical Cable

Note:

• Try not to bend the optical cable sharply. If it is
necessary to bend it sharply, make sure that the
bending radius is at least 25 mm (1 inch), other­wise the cable will not transfer signals properly
and so this unit will not work properly.

• Route the optical cable so that nothing heavy rests
on it, and so that it cannot be stepped on or caught
in anything – for instance, a door.

• Make a loop of diameter at least 200 mm (7-7/8
inches) with the remaining optical cable so that the
cable does not get strained.

• When plugging the optical cable into the unit, use
the supplied cable cramp to prevent the cables
from being bent sharply.

• Route the optical cable so that it does not get
caught in moving parts such as the gear shift, hand
brake, or seat sliding mechanism. Keep the cable
away from hot spots, such as near the heater out­let.

7 Using the Corrugated Tube

To prevent the optical cable from being
strained, use the corrugated tube after cut­ting it to the correct length.

• Insert the optical cable into the cor­rugated tube.

Corrugated tube

Optical cable

49

Connection Diagram

Optical INPUT
(blue)

IP-BUS INPUT
(blue)

IP-BUS cable (supplied)

optical cable (supplied)

DEX-P90RS

To IP-BUS OUTPUT
(black)

To Optical OUTPUT
(black)

Audio system

Fuse (4A)

Fuse holder

Power Terminal
Refer to “Connecting the Power
Terminal” on page 51.

Yellow
To terminal always supplied
with power regardless of
ignition switch position.

Black (ground)
To vehicle (metal) body.

Blue/white
To system control terminal
of the power amp
(max. 300 mA 12 V DC).

RCA OUTPUT
See “Connecting the
RCAInput Amprifier.”

Connecting the Units

Connecting the RCA Input Amplifier

Tweeter

Mid range

Woofer

Subwoofer

White

White

Red

Red

Power

Amplifier

Power

Amplifier

Power

Amplifier

Power

Amplifier

For system remote control

Blue/whiteBlue/white

50

Connecting the Units

51

Connecting the Units

Connecting the Power Terminal

1. Put the short-circuit protection cover around the blue/white, yellow and
black lead.

Be sure to use this cover to prevent short-circuit.

2. Connecting the leads.

Securely fasten the leads with terminal screws.

3. Cover the entire terminal with the short-circuit protection cover.

REMOTE

BACK UP

GND

REMOTE

BACK UP

GND

Short-circuit protection
cover

REMOTE

BACK UP

GND

Terminal screw

Black lead
(ground)

Ground terminal

REMOTE

BACK UP

GND

Terminal screw

Yellow lead

Blue/white lead

Short circuit protection
cover

Connecting the Units

52

Connecting the IP-BUS and Optical Cable

Connecting the Cables

2. Route the optical cable and
IP-BUS cable through the cable
clamp.

Attach the cable clamp
into the hole.

1. Attach the cable clamp.

When plugging the optical cable and
IP-BUS cable into the unit, use the
supplied cable clamp to prevent the
cables from being bent sharply.

53

Connecting the Units

Attaching the Noise Filter

To prevent the noise, use the supplied noise filter correctly.

2. Locate the noise filter as close as
possible to the unit, and secure
with the lock tie.

1. Attach the supplied noise filter to
IP-BUS cable and Optical Cable.

Installation

Note:

• Before finally installing the unit, connect the wiring temporarily, making sure it is all connected up properly,
and the unit and the system work properly.

• Use only the parts included with the unit to ensure proper installation. The use of unauthorized parts can
cause malfunction.

• Consult with your nearest dealer if installation requires the drilling of holes or other modifications of the
vehicle.

• Install the unit where it does not get in the driver’s way and cannot injure the passenger if there is a sudden
stop, like an emergency stop.

Installing the Unit

1. Install the brackets to the bottom of the unit.

2. Install the unit to the vehicle.

Tapping screw (4 × 12 mm)

Drill a hole of 2–2.5 mm

Car mat or shassis

Bracket

Bind screw (4 × 5 mm)

54

Connecting the Units / Installation

55

Troubleshooting

When an error occurs, locate the cause according to the list below. In most cases, the prob­lem is incorrect connections or settings.

1. Double check the connections and settings using the Checklist.

2. If connections and settings are correct, press the RESET button.

Refer to “Resetting the Microprocessor” on page 7.

3. If the malfunction continues even after pressing the RESET button, contact
your dealer or nearest authorized Pioneer Service Station.

Checklist

Symptom Cause Remedy Page

No Operation The battery is not Connect the battery. -------

connected.

An yellow lead is not Connect all yellow leads 49
properly connected. to the battery terminal, 51

supplied with constant
power, regardless of the
ignition switch position
after running them through
the vehicle’s fuse unit.

A black lead (ground) is Firmly connect all the black 49
not properly connected. leads to the vehicle (metal) 51

body.

A blue/white lead is not Connect the blue/white 49
properly connected. lead of the RCA input power 50

amplifier to the blue/white
lead of this unit.

The fuse is blown. Remove the cause and 49

replace with another fuse
of the same rating.

Incorrect connection. Make sure all the 49~52

connectors are properly
connected.

Unnatural sound The mode setting switches Set the mode setting 7

are incorrectly set. switches correctly, then

press the RESET button.

Specifications

GENERAL

Power Source ........ DC 14.4 V (10.8 — 15.1 V allowable)

Grounding system ........................................ Negative type

Fuse .............................................................................. 4 A

Dimensions .................... 191 (W) × 49 (H) × 220 (D) mm

Weight ...................................................................... 1.8 kg

DSP/PREAMP

Tone controls (parametric)

Bass frequency ........ 63 Hz, 100 Hz, 160 Hz, 250 Hz

Treble frequency .... 4 kHz, 6.3 kHz, 10 kHz, 16 kHz

Gain .................................................... ±12 dB (1 dB)

31-band graphic equalizer (L/R independent)

Frequency .......................... 20 Hz — 20 kHz, 1/3 oct.

Gain .................................................. ±12 dB (0.5 dB)

Crossover network (L/R independent)

SUBWOOFER

................ HPF frequency: 20 Hz — 100 Hz, 1/3 oct.

................ LPF frequency: 25 Hz — 250 Hz, 1/3 oct.

.............................. Gain: +10 dB — –24 dB (0.5 dB)

LOW ...... HPF frequency: 25 Hz — 250 Hz, 1/3 oct.

.............. LPF frequency: 250 Hz — 10 kHz, 1/3 oct.

.................................. Gain: 0 dB — –24 dB (0.5 dB)

MID ...... HPF frequency: 200 Hz — 10 kHz, 1/3 oct.

................ LPF frequency: 2 kHz — 20 kHz, 1/3 oct.

.................................. Gain: 0 dB — –24 dB (0.5 dB)

HIGH

.............. HPF frequency: 1.6 kHz — 20 kHz, 1/3 oct.

................ LPF frequency: 8 kHz — 20 kHz, 1/3 oct.

.................................. Gain: 0 dB — –24 dB (0.5 dB)

Slope ...... PASS, –6, –12, –18, –24, –30, –36 dB/oct.

............................(PASS: no pass HPF-High channel)

Phase .................................... NORMAL/REVERSE

Time alignment ...................... 0 — 340 cm (1.7 cm)

Position adjustment

.......................... DISTANCE: 0 — 340 cm (1.7 cm)

...................................................... Level: 0 — –30 dB

Sampling frequency ............................................ 44.1 kHz

Digital input .................................................. Optical input

Analog Output .............................................. RCA (4 way)

RCA OUTPUT

Frequency response ............ 10 Hz — 20 kHz (+0, –1 dB)

Max. output level/impedance .............................. 4 V/1 kΩ

Distortion ............................ 0.005% (1 kHz, 20 kHz LPF)

Signal-to-noise ratio .................. 109 dB (IHF-A network)

Separation .............................. 90 dB (1 kHz, 20 kHz LPF)

Note:

• Specifications and the design are subject to possi­ble modification without notice due to improve­ments.

56

Troubleshooting / Specifications

Published by Pioneer Corporation.
Copyright © 2004 by Pioneer Corporation.
All rights reserved.

Publication de Pioneer Corporation.
Copyright © 2004 Pioneer Corporation.
Tous droits de reproduction et de traduction réservés.

Printed in Japan
Imprimé au Japon

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