HDPD90 - Receiver ALPINE - Free user manual and instructions

Product Type	Digital Audio Receiver with Signal Processor (DSP)
Brand / Model	Alpine HDPD90
Dimensions (W x D x H)	278 mm x 256 mm x 58 mm
Net Weight	4.5 kg
Supply Voltage	9 ~ 16 V (12V negative ground)
Standby Power Consumption	≤ 0.1 W
Output Power (nominal)	CH1~8 : 50W per channel (4Ω, 14.4V, 10% THD) ; CH9~12 : 80W per channel
Total Harmonic Distortion	≤ 0.01% (4Ω, 1W)
Signal-to-Noise Ratio	≥ 100 dB (A-weighted)
Frequency Response	20 Hz ~ 40 kHz (4Ω, 1W)
Sampling Rate	192 kHz / 32 bits
Number of Input Channels	12 high-level channels + 2 RCA channels + optical + coaxial + Bluetooth
Number of Output Channels	12 high-level channels + 10 RCA channels
Built-in Equalizer	Input: 10-band parametric/graphic ; Output: 31-band parametric/graphic
Built-in Filters	Independent high-pass and low-pass per channel (Linkwitz-Riley, Bessel, Butterworth)
Connectivity	USB 2.0 (for PC), High-definition Bluetooth, control wire (sold separately)
Software Functions	PC software for advanced settings (Windows XP/7/8/10), signal generator, RTA
Preset Sound Effects	6 storable effect data groups
Adjustable Output Delay	0 ~ 20 ms (0 ~ 692 cm, 0 ~ 273 inches)
Care and Cleaning	Use a soft, dry cloth ; do not use solvents
Operating Temperature	-20°C to +60°C (inside vehicle)
Box Contents	Main unit, 2x13P input cable, USB 2.0 cable, mechanical screws ×4, self-tapping screws ×4, mounting bracket
Warranty / Support	See full manual ; repair by authorized Alpine dealer

Frequently Asked Questions - HDPD90 ALPINE

How do I install the Alpine HDPD90 in my car?

Installation requires professional skills. Disconnect the negative battery terminal before wiring. Use the provided mounting brackets and secure the unit firmly. Observe the polarity 12V negative ground. Consult the full manual for the wiring diagram.

How do I connect the receiver to my computer?

Use the supplied USB 2.0 cable to connect the unit's USB port to a Windows PC. Install the HDP-D90 software beforehand (downloadable from the Alpine website). The software allows you to adjust the equalizer, filters, and delay.

Can I use the Bluetooth input with my smartphone?

Yes, the unit has a high-definition Bluetooth input. Activate Bluetooth on your phone and select Bluetooth as the main or auxiliary audio source in the software. The connection is automatic after pairing.

How do I adjust the output equalizer?

In the HDP-D90 software, go to the Output Equalizer page. You can choose between graphic mode (31 fixed bands) or parametric mode (adjustable frequency, Q, gain). Use the mouse or keys to adjust the curves. Click Bypass to temporarily disable.

What should I do if the indicator light stays red?

A steady red indicator after power-on indicates a protection state. Check the speaker connections (short circuit), power supply (voltage 9~16V), and fuses (two 35A fuses). If the problem persists, contact an Alpine dealer.

What input modes are available?

The main audio sources are: Optical, Coaxial, Bluetooth, High-Level (12 channels), and AUX (RCA). You can also select an auxiliary source in superposition, except for optical and coaxial inputs which cannot be mixed together.

How do I update the firmware?

In the PC software, go to Options > Firmware Update. Click the '...' button to select the firmware file, then click 'Update'. Once the progress reaches 100%, confirm and the unit will restart automatically. Do not disconnect the USB during the operation.

What is the maximum output power in bridged mode?

Bridged mode is available on channels 9-10 and 11-12. In bridged mode, the output power increases. The manual states a nominal power of 80W per channel in normal mode (CH9~12); in bridge mode, it can reach approximately 160W (depending on impedance). Consult the manual for precautions.

How do I safely clean the unit?

Use a soft, dry cloth to wipe off dust. Never use solvents, alcohol, or abrasive products. Avoid moisture. If dirt is stubborn, lightly dampen the cloth with water and wipe immediately with a dry cloth.

Can I use the unit without PC software?

Yes, the unit operates independently in the car. Basic adjustments (volume, source) can be made via the PC software or an optional remote control (sold separately). The software is required for advanced settings like parametric equalizer or delays.

USER MANUAL HDPD90 ALPINE

Accessory List ....4

Connections and Functions ...... 5

Connections and Functions ...... 6

Indicators 7

Computer S software 8

Precautions installation .... 8

Computer S software Introduction .8

Connection and Temperature Display 9

Connection Settings 9

Temperature Display 9

File Settings 9

Option Setting 9

Signal Generator Settings .....10

Signal Selection ...... 10

Volume 10

Sine Wave Frequency ..... 10

Output Signal Selection .....10

Input Link Settings ....10

Output Link Settings 10

Built-in AMP ....10

Firmware Up date Settings .....11

Restore Factory Settings ......11

Shutdown dela y setting .....11

Language Settings ...... 11

View A bout 11

Encrypti on Settings 11

Master volume setting 12

Function Page Select ion ...... 12

Home Page 12

Main Source Selection ..... 13

Main Source Attenuation

Setting 13

Mix Source Selection .....13

Preset Sound Effect Settings13

Enter EQ 13

Type selection 13

Channel Mute Setting ..... 14

Link Settings 14

EQ Adjustment 14

Equalizer Settings ...... 15

Channel Settings ...... 16

X-Over 16

Output EQ 16

Bridge Mode 16

Delay 17

Mix 17

RTA 17

Specifications 19

Function Parameter 20

Instr uctions

Warning

Points for Safe Use

• Please read this manual carefully before using the machine and system components. This manual contains instructions on how to use this product safely and effectively. If failure to follow the instructions in this manual causes malfunctions, Alpine will not assume any responsibility.
• This manual uses various i cons to explain how to use this product safely, and reminds you to pay attention to the dangers that may be caused by improper connection and operation. The meaning of these icons will be explained below. A complete understanding of the meaning of these icons is very important for the correct use of this manual and this is system.

Warning

• It is very dangerous to operate this system while driving. The user should stop before operating the software.
• Road conditions and laws take precedence over the information displayed on the map: When driving, you should abide by actual traffic restrictions and conditions.
• This software is specially designed for this machine and cannot be used in combination with other hardware.

Warning

This symbol indicates important instructions. Failure to heed these instructions can result in serious injury or even death.

Do not use any features that will d istract you while d riving

Any function that affects your concentration should only be used a fter t he car h as come to a complete stop. To use these functions, please park your vehicle i n a safe place first. Otherw ise, an accident may result.

Do not disass emb le or mod ify Otherw ise, it may cause an accident, fire or electric shock.

The volum e must be mainta ined at a level where t he noise outside t he c ar c an be hea rd while d riving Inaudible emergency v ehicle sirens and road warning signals (train in intersections, etc.) are very dangerous and may cause accidents. In addition, excessive volume may cause hearing loss.

This product is only suitable for cars with 12V negative grounding Other wise, it may cause a fire and other accidents.

Smal l o bje cts s uch as bol ts o r sc rews sh ould be kept ou t o f t he reach of c hild ren Swallowing small objects may cause serious injury. Once swallowed by mistake, please immediately medical.

When replacing the fuse, you must choose a fuse with the correct amp ere va lue Otherw ise, it may cause a fire or electric shock.

Do not block the ventilation hole so heat sink. Otherwise, it may cause internal heat build-up and may cause a fire.

This product can only be used in 12V mobile applications If used in n on-designed application s, it may cause fire, electric shock or other injuries.

Make the correct connecti on If it is not connected properly, it may cause fire or product damage.

Before wiring, disconnect the cable from the negative terminal of the battery Otherwise, it may cause electric shock or injury due to electrical short circuit.

Do not let the cable be entang led with sur rounding objects

Arrange the wires and cables in accordance with the requirement s of the manu al to prevent them from becoming obstructive while driving. Cables or wires that obstruct or hang on the steering wheel, s hift lever, brake pedal, etc. are extremely dangerous.

Do not splice cables

Do not cut the cable insulation to supply power to other equipment. Other wise, the current carrying capacity of the wire will be exceeded, resulting in fire or electric shock.

Do not damage the pipe or wiring when dri lling When drilling holes in the chassis for installation, be careful not to touch, damage or obstruct the pipes, fuel lines, fuel tanks or wires. If you don't pay attention, it can cause fire.

Do not use b olts or nuts in brakes or steering systems for grounding conne ctions

Never use bolts or nuts used in brakes or steering systems (or any other safety-related systems) or fuel tanks for installation or grounding connections. The use of such parts will cause the car controller to fail, resulting in fire and so on.

Do not install on the steering wheel or gear leve r, etc., which may h inde r th e o peration of the car

Otherw ise, it will obstruct the front line of sigh t or obstruct moving parts, etc., causing serious accidents.

Notice

This symbol indicates important instructions. Failure to heed these instructions may result in injury or major property damage.

When there is a p problem, p lease stop using it imme diately

Otherw ise, it may cause personal i injury or damage to th e product. Please return this product to an authorized Alpine dealer or the nearest Alpine serv ice center for repair.

As k professional s for wiring and installation The wiring and installation of this product require professional skills and experience. For safety reasons, please contact the dealer where you purchased the product for installation.

Use designated accessories and install securely. Make sure to use only designated accessories.

The use of n on-designated parts may cause internal damage to the device, or it may not be securely installed in place. This can cause parts to loosen and cause danger or product failure.

Arrange the wires to avoid crimping or being sq ueezed by sharp metal edges

The arrangement of wires and cables should be far away from moving parts (such as seat tracks) or sharp edges or corners. This will a void crimping and damage to the wires. If the wiring passes through a metal hole, a rubber gasket should be used to prevent the wire in sulation from being cut by the edge of the metal hole.

Do not install in high humidity or dusty location s

Avoid installing the device in a location with high humidity or dust. Moisture or dust invades the device and can cause product failure.

Precautions

Prod uct cleaning

Please use a dry soft cloth to clean the product regularly. If the dirt is difficult to remove, soak a soft cloth with water only. An y other solvent may disolve.

temperature

Before turning on the machine, please make sure that the temperature in the car is between +60°C and -20°C.

Maintai n

If you encounter a problem, do not repair it yourself. Please return this product to an authorized Alpine dealer or the nearest Alpine service center for repair.

Installation lo cation

- This machine cannot be installed in any of the following places:

• Near direct sunlight and heat sources
- Places with high humidity and near water
sources
- Dusty places
- Locations subject to severe vibration

Copyright Notice

The Bluetooth® word mark and logo are registered trademarks held by Bluetooth SIG, Inc. Alpine Electronics has obtained permission to use the word mark and logo, and other trademarks and trade names belong to their respective owners.

Preparati on work

Accessory List

Machine Screw×4	Self-tapping Screw×4	Mounting Brackets × 2
2×13P Input Cable	USB 2.0 Cable	External Bluetooth Module
Main Unit

Car audio player (Sold separately) PC External Bluetooth Controller or Alpine Media Player (Sold separately) External Power Amplifier (Sold separately) Car audio player (Sold separately) Vehicle's battery

①②③④⑤ Pre-Out jacks

5 groups of RCA audio signal output, which can be connected to an external power amplifier.

⑥ RC A Audio Input jac ks

1 groups of RCA audio signal in put, which can be connected to the RCA audio signal output of car a udio player.

⑦ High Level Input Connector

Connect to the high-level output of the car audio player.

⑧ C oaxial Input j ack

Connect the car audi o coaxial cable, switch the audio s ource of the machine to the digital signal i nput, and play the coaxial digital signal.

⑨ Optical Input jack

Connect the car audio optical fiber cable, switch the audio source of the e mac hine to the digital signal input, and play the optical digital signal.

⑩ C ontroller Conn ector (Sold se parately)

System expansion interface.

⑪ US B 2.0 connector

It can be connected to a computer via a USB 2.0 ca ble for detailed tunin g operations and settings.

⑫ External Bluetooth connector

Choose high-definit ion Bluetooth as the input signal, or connect HDP-D90 mobil e phone tuning software. After the connection is successful, the Blu etooth is always on.

⑬ Power Supply Terminal

Connect the car battery.

⑭ Fuse

When the switch is pulled to the "ACC" terminal, ACC starts the machine; when it is pulled to the "HOST" terminal, the machine is started by the high level input signal H1-/H1+.

⑯⑰ C H1-4 S peaker Outp ut Terminals

The a multiplier output of the machine is connected to the speaker.

⑱⑲ C H5-8 S peaker Outp ut Terminals

The a multiplier output of the machine is connected to the speaker.

⑳ C H9-12 Speaker Out put Terminal s

The a multiplier output of the machine is connected to the speaker.

External Power Amplifier (So ld se parately)

Connect an external power amplifier r.

□ C ar Audio Player ( Sold se parately)

Connect the car audio player.

To prevent external noise from entering the audio system.

• The in stallation position of the machi ne and t he wiring arrangement s hould be at least 10cm away from t he automobile wiring harness.
  • Try to keep the battery power cord away from other wires.
• Securely connect the ground wire to the bare metal contacts of the car chassis (remove any paint, dirt or grease if necessary).
• If you want to attach an optional noise suppressor, please try to keep it away from the machine when connecting. Your Alpine dealer has various types of noise suppressors, please contact them for details.
• Your Alpine dealer is proficient in noise prevention methods, please consult your dealer for details.

Indicators

STATUS POWER 1 ALPNE H-RES ANDR 2 INTERNAL APP 3

① Power and Protection Indi cator

Within 2 seconds of booting, the indicator light will show red;

In the protection state, the indicator light shows red light;

When working normally, the indicator light shows blue light ;

When s hutting down, t he indicator light is off.

② H i-Res S signal Indicator

When the optical fiber/coaxial input signal is Hi-Res standard signal, the in dicator light is always on (red light);

When there is no Hi -Res standard sign al for analog input and optical/coaxial input signal, the indicator light t is off.

③ Internal Amplifier Indicator

When the Internal power amplifier is turned on, the indicator light is always on (red light);

When the Internal power amplifier is turned off, the indi cator light goes out.

Computer Software

Precautions installation

- The software can only be used under the Microsoft ® Windows ® operating system.

Operating system: Windows XP, Windows Vista, Windows 7, Windows 8, Wind ows 10

CPU : 1.6GHz or higher

Memory card: 1GB or higher

Hard Disk: 512MB or more free space

Computer screen resolution: 1280*768 or high er

- Before connecting the HDP-D90 machine to the computer, please in stall the HDP-D90 computer software correctly.

• After installing the HDP-D90 software, you can tune and set the HDP-D90 mac hine on the computer.

*This function is mainly for manufacturers and distributors.

Computer Software Introduction

HI P-D90 File Option Encryption Temperature 0°C Master Vol 27 Home Input Output TCR Mix RTA Main source selection Optical Coaxial Bluetooth Hi.Level AUX 100% Mix source selection Optical Coaxial Bluetooth Hi.Level AUX OFF Preset sound effect Preset 1 Preset 2 Preset 3 Preset 4 Preset 5 Preset 6 Presets can be deleted by right click on Mouse.

1 The host is powered on.

2 Connect one end of the USB 2.0 cable to the "USB" port of the host, and connect the other end to the USB port of the computer.

3 Double-click t he HDP-D90 software icon to open the software.

① Online switch.

② Temperature display.

③ Load or save the tuning file.

④ Select the function setting.

⑤ Encryption and decryption of tuning data.

⑥ Adjust the total volume.

⑦ Function page selection.
⑧ Editing area of function page

Connection and Temperature Display

Setting items:

Connection and temperature display

Setting content:

Connection/disconnected/temperature display

Connection Settings

1 Connect the USB cable and open the software, it will automatically go on line.

After the connection is successful, the connection icon will show green [ ]°

2 After online, click the connection icon to disconnect. When not online, the connect

icon will display red [ ], and click the connection icon again to go online again.

Temperature Display

Detect the temperature on the surface of the machine and display the current temperature value.

Temperature 0°C

File Settings

Click [File] to enter the loading or saving scene file page.

■ Load or save presets file page

Load PC Preset Save as PC Preset Load All Presets Save All Presets

Setting items:File

Setting content: Load PC Preset/Save as PC

Preset/Load All Presets/Save All Presets

Load PC Preset

The scene file previously saved on the

computer can be loaded as the current machine working scene.

Save as PC Preset

The current machine work scene file can be saved to the computer for later recall.

Load All Presets

Load the files of t he entire mac hine previously saved on the computer to the machine (including the current work ing scene, machine preset scene, output chan nel configuration data, etc.), and copy all the mach ine data that has been debugged to the e currently connected machine.

Save All Presets

Save all data on the current online machine as a computer file (including the current working scene, machine preset scene, out put channel configuration data, etc.) for later recall when the whole machine is copied.

Option Setting

Click [Option] to enter the setting page.

■ Setting page

Option Encryption Signal generator Input link settings Output link settings Built-in AMP Firmware update Restore factory settings Shutdown delay Language > About

Signal generator
	Signal select ion
	Volume
	Sine wave frequency
	Output signal selection
Input link settings
Output link settings
Built-in AMP
Firmware update
Restore factory settings
Shutdown delay
Language
About

Signal Generator Settings

Select [Signal Generator] from the opt ion page to enter the signal generator setting page.

■ Signal generator page

Signal generator Signal selection OFF Pink noise White noise Sinusoid Sinusoid (positive half-cycle) Volume -24dB Sine wave Freq. 1000Hz Output signal selection Generator / Music CH-1 Generator / Music CH-2 Generator / Music CH-3 Generator / Music CH-4 Generator / Music CH-5 Generator / Music CH-6 Generator / Music CH-7 Generator / Music CH-8 Generator / Music CH-9 Generator / Music CH-10 Generator / Music CH-11 Generator / Music CH-12 Generator / Music CH-13 Generator / Music CH-14 Note: After the equipment is restarted, the signal generator restores the output of music signal.

Test whether the out put signal is normal when there is no music playing.

Signal Selection

Setting item: signal selection

Setting content: OFF (initial setting)/pink noise/white noise/sinu solid/sinu solid(positiv e half-cycle)

Volume

Setting item: volume

Setting content: -60dB\~0dB (Initial setting: -24dB)

Sine Wave Frequency

Setting item: sine wave frequency

Setting content: 20Hz\~40kHz (initial setting: 1000Hz)

Output Signal Selection

Setting item: output signal selection

Setting content: generator/music output (initial setting)

Input Link Settings

Select [Input link settings] from the option page to enter the input link settings page.

■ Enter the input link settings page

Input link settings Please set up the function that need to be tuned ✓ Channel EQ ✓ X-Over □ Channel phase ✓ Channel volume □ Channel mute Cancel Yes

Setting items: setting the functions that need to be combined with input

Setting content: channel EQ/X-Over/channel phase/channel volum e/channel mute

Output Link Settings

Select [Output link settings] from the option page to enter the ou tput link settings setting page.

■ Output link settings setting page

Output link settings Please set up the function that need to be tuned ✓ Channel EQ ✓ X-Over □ Channel phase ✓ Channel volume □ Channel mute Cancel Yes

Setting item: Set the function that needs to be combined with the output

Setting content: chann el

EQ/X-Over/channel phase/channel

volume/channel mute

Built-in AMP

Select [Built-in AMP] from the options page to enter the build t-in power amplifier setting page.

■ Built-in AMP page

Built-in AMP Amplifier switch

Setting item: Built-in AMP

Setting content: on (in itial setting) / off

Firmware Update Settings

Select [Firmware Update] from the options page to enter the firmware update setting page.

■ Firmware update page

Firmware update Please select the firmware file Cancel OK

Setting item: Firmware update

1 Click the ">" button to select the upgrade file.
2 Click the "Update" button to upgrade the firmware. The upgrade progress reaches 100%, indicating that the firmware upgrade is successful.
3 Click the "OK" button to exit the firmware update. After t he update, the machine will automatically restart to work.

Select [Restore Factory Settings] from the options page to enter the factory reset page.

■ Restore factory settings page

Warning Are you sure you want't to restore the Factory settings? Cancel OK

Setting item: restore factory settings

1 Click the "OK" button to restore all the data set in the e machine to the factory default state.

Shutdown delay setting

Select [Shutdown Dela y] from the e options page to enter the sh utdown delay setting page.

■ Shutdown delay page

Shutdown delay ps

Setting item: shutdown del ay

Setting content: 0\~255s (initial value: 0s)

Language Settings

Setting item: langua ge

Setting content: Chinese/English

View About

Select [About] from the options page to enter the about page.

■ About page

About ALPINE HDP-D90 Software version: PPAP-KV1.00 (Beta) Device version: Copyright © 2021 ALPS ALPINE CO., LTD. All Rights Reserved.

You can view the version number.

Encryption Settings

Click [Encry ption] to enter the encry ption page, and click [Decr ypt] to enter the decr yption page.

■ Encrypti on/decryption page

Encryption Password: Cancel OK

Decryption Password : Clear OK

Setting item: encryption/decryption

1 Encrypti on: Enter the password to encrypt the tuning data.
2 Decry ption: You can enter a pa ssword, clear data or restore factory settings.

- The initial password is: "888 888".

• Encryption of EQ frequency, Q value, gain, delay, ch annel, ph ase equ alizer and other tuning data.
• Encryption only encrypts a single group of audio data currently in use, not all data of the whole machi ne.
• The encry pted sound data data can be stored as preset sound effects or computer files, and copying a nd transmission will not affect the encry pted state.

Master volume setting

Master Vol 27

Setting item: Master volume

Setting content: 0\~35 (initial value: 27)

1 You can adjust the total volume by pressing and holding the left mouse button, dragging the volume fader left or right, or scrolling the mouse wheel.
2 Click the main volume【】button to set the total volume mute【】click again to cancel the mute (it will a automatically cancel the mute when the main volume is adjusted).

Function Page Selection

The function page can be switched.

Home Input Output TCR Mix RTA

Home page
	Main source selection
	Main source attenuation setting
	Mix source s election
	Preset s ound effects
Input EQ
Output EO
TCR
Mix
RTA

Home Page

■ Home page

Screenshot of a software interface with labeled UI elements and control buttons, likely from an older software development environment.

Main source attenuation/Mix

source selecti on/Preset sound effects

Main Source Selection

Open Dash Lock Print

Setting items: Main source selection

Setting content: Optical/Coaxial/Bluetooth/

High Level/AUX

Main Source Attenuation Setting

Main source attenuation 100%

You can press and hold the left button of the mouse to move the fader left or right or scroll the mouse wheel, or press the up and down keys of the keyboard to set the attenuation. The Mix source is equivalent to mixing g. The greater the attenuation of the main sound source, the lower the main volume, adjustable value: 0%\~100%.

Setting items: Main source attenuation

Setting content: 0% to 100% (default 100%)

- Note: When the current audio source mode is selected, the audio source mode can no longer be superim posed, otherwise the Mix source is invalid, and the optical fiber and coaxial cannot be mixed and superimposed.

Mix Source Selection

Network Wireless Wireless AC link AC OK

Setting items:Mix source

selection

Setting content: Optical/Coaxial/Bluetooth/

High Level/AUX/OFF

Preset Sound Effect Settings

Imported help Fruit 1 Fruit 2 Fruit 3 Fruit 4 Fruit 5 Fruit 6

1 Click [Call] to recall the pre-stored sound

effects.

2 Click [Save] to store the adjusted sound effect data.
3 Click the right mouse button to delete the preset sound effects. Or [Save] 6 groups of preset sound effects can be set Setting items: Preset s ound effect settings Setting content: Call/save/delete

Enter EQ

■ Enter EQ page

Screenshot of a digital audio editing software interface with labeled tracks, channels, and playback controls

Setting items: Enter EQ

Setting content: Type selection/channel mute/link setting/EQ a djustment/equalizer setting/channel setting /X-Over setting

① Click to enter the in put type selection box.
② Customize the input channel type.
③ Mute button.
④ Joint adjustment button.
⑤ EQ gain step selection.
⑥ Chan nel display sele ction button.
⑦ EQ editing and display area.
⑧ Equalizer settings.
⑨ X-Over.
⑩ Chan nel settings.

Type selection

Custom input channel type

You can configure your favorite channel type according to your hobby.

■ Input type custom page

Left-Tensor Null Front Left Rear ✓ Transfer Center Midrange Subwoofer Wooler Surround Subwoofer F/FL-Subwoofer Full-range R/L-Tensor Right Inner Outer Midrange Outer Subwoofer Full-range

1 Click the channel type custom box.
2 Select the input channel type in the pop-u p window. Set the input type in the input type setting dialog box. There are tweeter, midrange, woofer, subwoofer and full-range options in the front; tweeter, midrange, woofer, subwoofer and full-range options are available in the rear; F/C-tweeter, F/C-mid range, R/C-tweeter and R/C-midrange options are available in the center; L-subwoofer, R-subwoofer and C-subwoofer options are available in the subwoofer; L-surround and R-surround options are available in the surround;

Input type selection

■ Input type selection page

Converted Image named NLS photoCAD Image CN HCM Image CN + PCB CN Image CN + Sable PCB Image CN + LMS Sable (LCS) Image Scan + Filter (SCL) Image Scan + Filter + Sublette Image CN + LSC + LMS Sublette Image Scan + Filter + LMS Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette Image Scan + Filter + Sublette

1 Select the desired channel type.
2 Click the [Enter] button to configure the channel type. At this time, the input channel type is fixed and cannot be configured.
3 S elect Customized or [Clear] to clear all input channel types. At this time, you can customize the input channel types.

Channel Mut e Setting

Setting items: Channel mute Setting content: Mute/off

Link Settings

■ Link group page

Link1 Link2 Link3 Link4 Link5 Link6 Link7 Link8 Cancel Link

1 Select the input link function in the options, refer to "Input link settings" (refer to page 10).
2 Click t he link button.
3 Select the link group on the link selection page.

Setting items:Link

Setting content: Joint debuggin g 1/

joint debu gging 2/j oint 3/j oint 4/joint 5/ joint 6/joint 7/j oint 8/cancel link

EQ Adjustment

The input h as 10 bands of EQ adjustable, and there are two in terfaces of graphic equalization and parametric equalization.

PEG page

GEQ page

EQ gain step

Setting items: EQ gain step

Setting content:0.1 (in itial setting)/0.5/1

EQ curve display

Click the channel display selection button to display the curve of the channel.

EQ settings

1 Select the input channel to be adjusted.

2 When the mouse moves to the serial number position, hold down, drag up and down to adjust the equalizer gain, drag left and right to adjust the equalizer frequency; when the mouse moves to the left and right blue boxes, hold down and drag to adjust the equalizer Q value. You can also set the frequency, Q value and gain by directly inputting the value, scrolling the mouse wheel, and the up and down keys on the keyboard.

Adjustable frequency range: 20Hz\~40kHz; Adjustable range of Q value: 0.404\~28.852;

Gain adju stable range: -12.0 dB \~+ 12.0 dB.

- Note: The gain is adjustable in the graphic equalization interface, and the frequency and Q value are not adjustable. In the parameter equalization interface, the frequency, Q value and gain are

adjustable.

Equalizer Settings

Reset EQ Bypass EQ Reset EQ Restore EQ G.EQ Mode P.EQ Mode G.EQ Mode P.EQ Mode

1. When there is EQ adjustment, the direct equalization button appears.

2. Through Equalization: When the current channel equalize r is turned on, this button will be displayed [ ], click [Through Equalization] or the through dot to make a ll equalizers of the current channel inactive (through).

3. After clicking the "Yes" button, the button will be restored to the [R estore Balan ce] state [ Reset EQ Restore EQ ]. Then click [Restore EQ] and all equalizers of the current channel will return to the last activated state.

4. Click [Reset EQ], the parameters of all equalizers of the current channel return to the initial state: the frequency is evenly distributed, the input Q value is 2.515, the output Q value is 1.007, and the gain is 0.0dB.

5. Click [Parametric Equalization] to pop up a warning box "Confirm GEQ to PEQ mo de?", press OK to switch to [Graphic Equalization], click [Graphic Equalization] to pop up a warning box "Confirm PEQ to GEQ mo de?", press OK to confirm Switch [parameter equalization]. In the parametric equalization mode, the frequency, Q value and gain are adju stable, while in the graphic equalizer mod e, the frequency and Q value are fixed, and only the equ alizer gain can be adjusted.

Channel Settings

Channel settings Gain - + 0dB Phase 0°

Setting items: Preset sound effect settings Setting content: Gain/phase

1. Gain setting: The gain can be adjusted by directly inputting the value, scrolling the mouse wheel, the up and down keys on the keyboard, or clicking g "-" or "+". Adjustable range: -60dB\~6dB.
2. Phase setting: normal phase or reverse phase s witch.

X-Over

HPE Type Freq. Slope Link-RI 20Hz -12dB/Oct LPE Type Freq. Slope Null 40000Hz -6dB/Oct

Setting items:X-Over settings

Setting content: Type/frequency y/slope

1. Type settings: Link-Ril, Besse l and Butter-W.
2. Frequency setting: The frequen cy can be adjusted by directly i nputting t he value, scrolling the mouse wheel, th e up and down keys on the keyboard, or clicking "-" or "+". Adjustable range: 20Hz\~40000Hz.
3. Slope (slope) setting: the drop-d own menu options are -6dB /Oct, -12dB/Oct, -18dB /Oct, -24dB /Oct, -30dB/Oct, -36dB /Oct, -42dB /Oct, -48dB/ Oct is optional.

- Note: When the slope is -6 dB/Oct, the type is displayed as "Null".

Output EQ

■ Output EQ page

Screenshot of a video editing software interface with multiple tracks, channels, and playback controls labeled in Chinese.

Setting items: Output EQ

Setting content: Type selection/channel mute/link setting /EQ adjustment/ Bridge Mode equalizer setting/channel setting/X-Over setting

① Click to enter the ou tput type selecti on box.
② Stereo and handover switch.
③ Customize the output channel type.
④ Mute button.
⑤ Joint debugging button.
⑥ EQ gain step selection.
⑦ Chan nel dis play s election button.
⑧ EQ editing and display area.
⑨ Equalizer settings.
⑩ X-Over.
⑪ Chan nel settings.

Type selection of ou tput EQ settings, ch annel mute, joint tuning settings, EQ adjustment, equalizer settings, channel settings, filter settings refer to "Input EQ Settings" (page 13 to page 16)

Bridge Mode

The output channel 9 can be bridged with the output channel 11, and the output channel 11 can be bridged with the output channel 12. The power can be increased in bridge mode.

Delay

Screenshot of a car simulation software interface showing vehicle positioning and parameter settings in Chinese.

① Delay adjustment.
② Delay group selection.
③ Delay value display window.

Setting items: Delay setting

Setting content: Delay/delay group

1. Delay adjust ment: The delay can be adjusted by directly in putting the value, scrolling the mouse wheel or the up and down keys on the keyboard.
2. Delay group: select the delay group, and the channels with t he same dela y group can be adjusted together.
3. The delay units a re ms (milliseconds), in ch (inches) and cm (centimeters).

Delay range: 0.000\~20 .000 milliseconds;

0\~692 cm;

0\~273 in ches.

Mix

VOC 200 C:\Program Files\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook\Outlook 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.42 1.43 1.44 1.45 1.46 1.47 1.48 1.49 1.50 1.51 1.52 1.53 1.54 1.55 1.56 1.57 1.58 1.59 1.60 1.61 1.62 1.63 1.64 1.65 1.66 1.67 1.68 1.69 1.70 1.71 1.72 1.73 1.74 1.75 1.76 1.77 1.78 1.79 1.80 1.81 1.82 1.83 1.84 1.85 1.86 1.87 1.88 1.89 1.90 1.91 1.92 1.93 1.94 1.95 1.96 1.97 1.98 1.99 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 2.22 2.23 2.24 2.25 2.26 2.27 2.28 2.29 2.30 2.31 2.32 2.33 2.34 2.35 2.36 2.37 2.38 2.39 2.40 2.41 2.42 2.43 2.44 2.45 2.46 2.47 2.48 2.49 2.50 2.51 2.52 2.53 2.54 2.55 2.56 2.57 2.58 2.59 2.60 2.61 2.62 2.63 2.64 2.65 2.66 2.67 2.68 2.69 2.70 2.71 2.72 2.73 2.74 2.75 2.76 2.77 2.78 2.79 2.80 2.81 2.82 2.83 2.84 2.85 2.86 2.87 2.88 2.89 2.90 2.91 2.92 2.93 2.94 2.95 2.96 2.97 2.98 2.99 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 。 .

After the HDP D90 machine set s the sound source signal in to the audio processor, it is divided into the e volume of each output channel,

and the purpose of mixing and mixing can be achieved by adjusting the volume of each sound source in the channel. In the passive input mod e, the frequency division is set by the PC terminal; in the active input mode, the frequency division is set by the original vehicle host it self.

RTA

1. Display window: The window size can be the largest screen and can be zoomed freely.
2. Select the display channel:
   (1) Output : Click t he drop-down list to select the spectrum dynamics of the output channel.
   (2) Fixed: Only the spectrum dynamics of the currently selected output channel can be displayed, and other output channels cannot be switched.
   (3) Follow: Follow the output channel clicked by the mouse to switch and display the spectrum dynamics of the selected output channel.
   (4) Signal gain: hold down the mouse and push the fader left and right to adjust the sign al gain.
   (5) Sensitivity: There are high, medium and low options. The higher the sensitivity, the more sensitive the frequency spectrum jumps.

Simple line drawing of a trash bin with crossed lines indicating no waste or prohibition (no text or symbols)

Simple line drawing of a trash bin with crossed lines indicating no waste or discharge (no text or symbols)

Information on the disposal of waste electrical and electronic equipment and batteries (applicable to countries that at adopt a garbage collection system) If you want to dispose of this product, do not mix it with general household waste. In accordance with regulations that require proper disposal, recycling and recycling, there is a separate collection system for waste electronic products. Please contact your local authorities to find the location of the recycling facility closest to you. Proper recycling and waste disposal help conserve resources while preventing harmful effects on human health and the environment.

Specifications

Per forma nce
Power Output	Rated: 4Ω, 14.4V, 10%THD	CH1 ~ 8: 50 W, CH9 ~ 12: 80W
THD+N	RCA: 1W into 4Ω	≤0.01%
S/N	RCA: A-wt	≥100dB
Input Volt age	High level	26Vpp
	RCA	8Vpp
Output Voltage	High level	CH1 ~ 8: 40 Vpp, CH9 ~ 12: 50Vpp
	RCA	10Vpp
Frequency Response	1W into 4 Ω	20Hz ~ 40k Hz
Gene ral
Input Imped ance	High level	14Ω
	RCA	10kΩ
System Sampling Rate		192kHz/32bit
Operating Voltage		9 ~ 16V
Standby Power Consu mption		≤0.1W
REM Start Input		High level( H1-/H1+),AC C optiona l
REM Start Output		12V(0.2A)
Weight		4.5kg
Dimensions	Width	278mm
	Depth	256mm
	Height	58mm

Function Parameter

Outputs	12ch High-level2ch RCAOptical / Coaxial Digital SignalBluetooth Audio
Outputs	12ch High-level10ch RCA
Output Channel Signal Gain	Range: -60dB ~ +6dB
Output Signal Equalizer	Type: Parametric / Graphic EqualizerFrequency: 20Hz ~ 40kHz (1Hz steps)Q value: 0.404 ~ 28 .852Gain: -12.0dB ~ +12.0 dB (0.1dB steps)
Output Signal Divide r	pass indepe ndent filters,Filter type: Li nk-Ril, Bessel, Butter-WFilter crossover point : 20Hz ~ 40kHz (1Hz steps)Filter slone: -6dB /Oct ~ -48dB/Oct
Output Phase	Normal phase or reverse phase (0° ~ 360°)
Output Delay	0.000 ~ 20.000ms ·0 ~ 692c m ·0 ~ 273in ch
Preset Sound Effects	6 sound data presets

Table des m atières

Instructions

Instructions 1

Avertissement .... 1

Technical diagram of a cabinet or enclosure with labeled components and directional arrows indicating flow or movement.

HI P-D90 File Option Encryption Temperature 0°C Master Vol 27 Home Input Output TCR Mix RTA Main source selection Optical Coaxial Bluetooth Hi.Level AUX 100% Mix source selection Optical Coaxial Bluetooth Hi.Level AUX OFF Preset sound effect Preset 1 Preset 2 Preset 3 Preset 4 Preset 5 Preset 6 Presets can be deleted by right click on Mouse.

Temperature 0°C

Load PC Preset Save as PC Preset Load All Presets Save All Presets

Signal generator Input link settings Output link settings Built-in AMP Noise threshold Firmware update Restore factory settings Shutdown delay Language About

Signal generator Signal selection OFF Pink noise White noise Sinusoid Sinusoid (positive half-cycle) Volume -24dB Sew wave Freq: 1000Hz Output signal selection Gingerator Music CH-1 Gingerator Music CH-2 Gingerator Music CH-3 Gingerator Music CH-4 Gingerator Music CH-5 Gingerator Music CH-6 Gingerator Music CH-7 Gingerator Music CH-8 Gingerator Music CH-9 Gingerator Music CH-10 Gingerator Music CH-11 Gingerator Music CH-12 Gingerator Music CH-13 Gingerator Music CH-14 Note: After the equipment is restarted, the signal generator restores the output of music signal.

Input link settings Please set up the function that need to be tuned ✓ Channel EQ ✓ X-Over □ Channel phase ✓ Channel volume □ Channel mute Cancel Yes

Output link settings Please set up the function that need to be tuned ✓ Channel EQ ✓ X-Over □ Channel phase ✓ Channel volume □ Channel mute Cancel Yes

Built-in AMP Amplifier switch

Firmware update Please select the firmware file Cancel OK

Warning Are you sure you won't to restore the Factory settings? Cancel OK

About ALPINE HDP-D90 Software version: PPAP-KV1.00 (Beta) Device version: Copyright © 2021 ALPS ALPINE CO., LTD. All Rights Reserved.

Enzyming Password 1 Cancel OK

Decryption Password : Clear OK

Master Vol 27

Home Input Output TCR Mix RTA

Screenshot of a software interface with labeled UI components, showing various device icons and control buttons.

Optical Control Bluetooth M2C

Main source attenuation 100%

Finish Point Finish 1 Finish 2 Finish 3 Finish 4 Finish 5 Finish 6 Finish 7 Finish 8

Screenshot of a digital audio editing software interface with multiple tracks and channels labeled in Chinese

Link1 Link2 Link3 Link4 Link5 Link6 Link7 Link8 Cancel Link

H.P.F. Type Freq. - Slope Link-Ri 20Hz -12dB/Oct LP.E. Type Freq. - Slope Null 40000Hz -6dB/Oct

Screenshot of a digital audio editing software interface with multiple tracks, channels, and control panels labeled in English.

Screenshot of a car simulation software interface showing 3D vehicle model with coordinate axes and parameter settings.

Control Panel Control Panel 1: 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Control Panel 1: 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5, 16.5, 17.5, 18.5, 19.5, 20.5, 21.5, 22.5, 23.5, 24.5, 25.5, 26.5, 27.5, 28.5, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.5, 38.5, 39.5, 40.5, 41.5, 42.5, 43.5, 44.5, 45.5, 46.5, 47.5, 48.5, 49.5, 50.5, 51.5, 52.5, 53.5, 54.5, 55.5, 56.5, 57.5, 58.5, 59.5, 60.5, 61.5, 62.5, 63.5, 64.5, 65.5, 66.5, 67.5, 68.5, 69.5, 70.5, 71.5, 72.5, 73.5, 74.5, 75.5, 76.5, 77.5, 78.5, 79.5, 80.5, 81.5, 82.5, 83.5, 84.5, 85.5, 86.5, 87.5, 88.5, 89.5, 90.5, 91.5, 92.5, 93.5, 94.5, 95.5, 96.5, 97.5, 98.5, 99.5, 100.5

Signal Gain Signal gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain Signal Gain

Simple line drawing of a trash bin with crossed lines indicating no waste or prohibition (no text or symbols)

Simple line drawing of a trash bin with two crossed lines indicating no waste or discharge (no text or symbols)

Technical diagram of a cabinet or enclosure with labeled components and directional arrows indicating flow or movement.

Programas in for málicos

HI P-D90 File Option Encryption Temperature 0°C Master Vol 27 Home Input Output TCR Mix RTA Main source selection Optical Coaxial Bluetooth Hi.Level Aux Main source attenuation 100% Mix source selection Optical Coaxial Bluetooth Hi.Level Aux OFF Preset sound effect Call Save Preset 1 Preset 2 Preset 3 Preset 4 Preset 5 Preset 6 Preset can be deleted by right click on Mouse.

Temperature 0°C

Ajuste de archivos

Load PC Preset Save as PC Preset Load All Presets Save All Presets

Signal generator Input link settings Output link settings Built-in AMP Noise threshold Firmware update Restore factory settings Shutdown delay Language > About

Signal generator Signal selection OFF Pink noise White noise Sinusoid Sinusoid (positive half-cycle) Output signal selection Generation/Music CH-1 Generation/Music CH-2 Generation/Music CH-3 Generation/Music CH-4 Generation/Music CH-5 Generation/Music CH-6 Generation/Music CH-7 Generation/Music CH-8 Generation/Music CH-9 Generation/Music CH-10 Generation/Music CH-11 Generation/Music CH-12 Generation/Music CH-13 Generation/Music CH-14 Volume -24dB Sine wave Freq: 1000Hz Note: After the equipment is restarted, the signal generator restores the output of music signal.

Input link settings Please set up the function that need to be tuned Channel EQ X-Over Channel phase Channel volume Channel mute Cancel Yes

Output link settings Please set up the function that need to be tuned ✓ Channel EQ ✓ X-Dover □ Channel phase ✓ Channel volume □ Channel mute Cancel Yes

Built-in AMP Amplifier switch

Firmware update Please select the firmware file Cancel OK

Warning Are you sure you want to restore the Factory settings? Cancel OK

Shutdown delay jps

About ALPINE HDP-D90 Software version: PPAP-KV1.00 (Beta) Device version: Copyright © 2021 ALPS ALPINE CO., LTD. All Rights Reserved.

Encryption Password : Cancel OK

Decryption Password : Clear OK

Master Vol 27

Home Input Output TCR Mix RTA

Screenshot of a software interface with labeled buttons and icons for device selection, rendering, and control panels.

Main scanner selection Optical Coastal Bluetooth Audio

Main source attenuation 100%

MIL KONORI mable cover Bluetooth Mac Auto

Screenshot of a digital audio editing software interface with labeled panels and controls

Controlled Power sound Real menu(20%) Power On (ACY) Power On + ACY(20) Power On + Smart (20%) Power On + LIM (20%) Power Supply + Power MDA Power Supply + Power + SubM(DA) Power On (ON) + LIM (SubM(DA)) Power Supply + Smart + LIM (SubM(DA)) Power Supply - LIM (20%) Power Supply - LIM (20%) Power Supply - Smart (20%) Power Supply - LIM (20%) Power Supply - Smart (20%) Power Supply - LIM (20%) Power Supply - Smart (20%) Power Supply - LIM (20%) Power Supply - Smart (20%) Power Supply - LIM (20%) Power Supply - Smart (20%) Power Supply - LIM (20%) Power Supply - Smart (20%)

H.P.F. Type Freq Slope Link-Rail 20Hz -12dB/Oct L.P.F. Type Freq Slope Null 40000Hz +4dB/Oct

Elemento de ajuste : ajuste de filtro

Screenshot of a video editing software interface with multiple tracks, channels, and playback controls labeled 1 to 9.

Screenshot of a car design software interface showing 3D modeling workspace with vehicle model and parameter settings panel

Control Panel Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Control Ctrl+1 Ctrl+2 Ctrl+3 Ctrl+4 Ctrl+5 Ctrl+6 Ctrl+7 Ctrl+8 Ctrl+9 Ctrl+10 Ctrl+11 Ctrl+12 Ctrl+13 Ctrl+14 Ctrl+15 Ctrl+16 Ctrl+17 Ctrl+18 Ctrl+19 Ctrl+20 Ctrl+21 Ctrl+22 Ctrl+23 Ctrl+24 Ctrl+25 Ctrl+26 Ctrl+27 Ctrl+28 Ctrl+29 Ctrl+30 Ctrl+31 Ctrl+32 Ctrl+33 Ctrl+34 Ctrl+35 Ctrl+36 Ctrl+37 Ctrl+38 Ctrl+39 Ctrl+40 Ctrl+41 Ctrl+42 Ctrl+43 Ctrl+44 Ctrl+45 Ctrl+46 Ctrl+47 Ctrl+48 Ctrl+49 Ctrl+50 Ctrl+51 Ctrl+52 Ctrl+53 Ctrl+54 Ctrl+55 Ctrl+56 Ctrl+57 Ctrl+58 Ctrl+59 Ctrl+60 Ctrl+61 Ctrl+62 Ctrl+63 Ctrl+64 Ctrl+65 Ctrl+66 Ctrl+67 Ctrl+68 Ctrl+69 Ctrl+70 Ctrl+71 Ctrl+72 Ctrl+73 Ctrl+74 Ctrl+75 Ctrl+76 Ctrl+77 Ctrl+78 Ctrl+79 Ctrl+80 Ctrl+81 Ctrl+82 Ctrl+83 Ctrl+84 Ctrl+85 Ctrl+86 Ctrl+87 Ctrl+88 Ctrl+89 Ctrl+90 Ctrl+91 Ctrl+92 Ctrl+93 Ctrl+94 Ctrl+95 Ctrl+96 Ctrl+97 Ctrl+98 Ctrl+99 Ctrl+100

Signal Path Signal Path Sensitivity OK OK

Simple line drawing of a trash bin with crossed lines indicating no waste or prohibition (no text or symbols)

Simple line drawing of a trash bin with two crossed lines indicating no waste or discharge (no text or symbols)

Screenshot of a device control interface with labeled panels and buttons, showing various device icons and status indicators.

设定项目：主页

Control panel interface with seven labeled icons and a 'OK' button

设定项目：辅助音源选择

设定内容：光纤/同轴/蓝牙/高电平/AUX/关闭

预置音效设置

User interface toolbar with Chinese labels and function buttons

Screenshot of a video editing software interface with multiple audio and audio waveform panels labeled in Chinese.

设定项目：输入 EQ

-12dB/Oct -18dB/Oct -24dB/Oct -30dB /Oct

-36dB/Oct -42dB/Oct -48dB/Oct 可选择。

Screenshot of a video editing software interface with multiple tracks, channels, and playback controls labeled in Chinese.

设定项目：输出 EQ

Screenshot of a car design software interface showing tool panels and a 3D vehicle model with Chinese labels.

① 延时调节。

Screenshot of a video editing timeline interface showing multiple tracks with time, frame rate, and playback controls

Simple line drawing of a trash bin with crossed lines indicating no waste or prohibition (no text or symbols)

Simple line drawing of a trash bin with crossed lines indicating no waste or discharge (no text or symbols)

Auburn Hills, Michigan 48 326, U.S.A.

Phone 1-800-ALPINE-1 (1-800-257-4631)

ALPS ALPINE EUR OPE GmbH

Ohmstrasse 4.85716 Unterschleissheim, Germany

Phone: [phone]

For contact information on your respective country,

please visit www.alpine-europe.com.

ALPS ALPINE EUR OPE GmbH

Aurora House, Deltic Avenue, Rooksley, Milton Keynes,

MK13 8LW, United Kingdom

Phone: [phone]

ALPINE E LECTRONICS OF AUSTRALIA PTY., LTD.

161-165 Princes Highway,

Hallam Victoria 3803, Australia

Phone [phone]

阿尔卑斯（中国）有限公司

The 9th Towers, Tower B, 24th Floor, Unit TNBO 1-03,

33/4 Rama 9 road, Huay Kwang, Bangkok, 10310, Thailand

Phone [phone]

アルバインマーケティング株式会社