1. Sarrera
This manual provides detailed instructions for the installation, operation, and maintenance of your CHSTEK 8581A Android 13 Car Radio Multimedia Navigation System. This unit is designed for specific Porsche models, including the Cayman, Boxster, 911, 987, and 997 from 2004-2013. Please read this manual thoroughly before installation and use to ensure proper functionality and safety.
2. Segurtasun informazioa
- Instalazio profesionala gomendatzen da: Due to the complexity of car electrical systems, professional installation is highly recommended to prevent damage to the unit or your vehicle.
- Elikatze-iturria: Ziurtatu unitatea 12V-ko korronte zuzeneko elikatze-iturri batera konektatuta dagoela, lurrerako konexio negatiboarekin.
- Saihestu eragozpenak: Ez erabili unitatea gidatzeari arreta galarazten dizun moduan. Eman beti lehentasuna errepideko segurtasunari.
- Tenperatura: Saihestu unitatea tenperatura altuen edo eguzki-argiaren eraginpean denbora luzez jartzea.
- Hezetasuna: Keep the unit dry. Exposure to moisture can cause malfunction or damage.
3. Paketearen edukia
Egiaztatu elementu guztiak paketean daudela:
- CHSTEK 8581A Car Radio Unit
- Kanpoko Mikrofonoa
- GPS antena
- Power Cable Harness
- USB kableak
- Erabiltzailearen eskuliburua (dokumentu hau)

3.1. irudia: The CHSTEK 8581A car radio unit and its primary accessories, including the external microphone, highlighting key features like 2GB RAM + 32GB storage, 8-core 1.6GHz processor, DSP*36EQ, CarPlay, Android Auto, and Android 13 operating system.
4. Instalazioa
The CHSTEK 8581A is designed for a plug-and-play installation in compatible Porsche models. However, specific vehicle configurations may require additional components or professional assistance.
4.1 Bateragarritasun-egiaztapena
- This unit is compatible with Porsche Cayman 911 981 997 Boxster models from 2004-2013.
- BOSE Audio System: If your vehicle is equipped with an original BOSE or Harman Kardon audio system, a separate fiber optic box is required for sound output. Please contact customer support for details on obtaining this component.
- Bolantearen kontrolak: Some high-grade versions of the car, such as certain Cayman 2010-2012 models, may not fully support the steering wheel control keys.
4.2 Instalazio Urratsak (Orokorra)
- Deskonektatu bateria: Before beginning, disconnect the vehicle's negative battery terminal to prevent electrical shorts.
- Remove Original Radio: Carefully remove the existing car radio unit from the dashboard. Refer to your vehicle's service manual for specific instructions.
- Konektatu kableatzea: Connect the provided power harness, GPS antenna, and any other necessary cables to the CHSTEK 8581A unit. Ensure all connections are secure.
- Mikrofonoa instalatu: Route and install the external microphone in a suitable location for clear voice pickup.
- Proba funtzionaltasuna: Before fully reassembling the dashboard, reconnect the battery and perform a basic test of the unit's functions (power, audio, touch screen).
- Unitate Segurua: Mount the CHSTEK 8581A unit securely into the dashboard opening.
- Berriro muntatu aginte-panela: Reinstall any removed trim panels and components.

4.1. irudia: Example of a Porsche dashboard with the original radio unit prior to the CHSTEK 8581A installation.

4.2. irudia: Example of a Porsche dashboard after the CHSTEK 8581A unit has been successfully installed, showing the integrated display.
4.3 4G SIM Card Functionality (Americas)
If you are located in the Americas (e.g., United States, Canada, Mexico, Brazil) and require 4G SIM card network functionality, please inform customer service at the time of purchase or installation. Specific hardware configurations may be necessary to ensure 4G network compatibility in these regions.
5. Funtzionamendu-argibideak
This section details the primary functions and features of your CHSTEK 8581A car radio.
5.1 Piztea/Itzaltzea eta Oinarrizko Nabigazioa
- Piztu: The unit will typically power on automatically when the vehicle's ignition is turned on.
- Itzali: The unit will power off when the vehicle's ignition is turned off.
- Ukipen-pantaila: Navigate through menus and applications by touching the icons and controls on the 8-inch 1280x720P HD touch screen.
- Physical Buttons/Knobs: Use the physical buttons and rotary knobs for quick access to common functions like volume, home, navigation, and radio.
5.2 Wireless CarPlay and Wired Android Auto
The unit supports both wireless Apple CarPlay and wired Android Auto, allowing seamless integration with your smartphone.
5.2.1 Wireless CarPlay (for iPhone users)
- Ziurtatu Bluetooth eta Wi-Fi gaituta daudela zure iPhonean.
- On the car radio, navigate to the CarPlay application.
- Follow the on-screen prompts to pair your iPhone via Bluetooth.
- Once paired, CarPlay will launch automatically, displaying a simplified version of your iPhone's interface on the car radio screen.
- Use Siri voice control for hands-free operation of navigation, calls, messages, and music.

5.1. irudia: The wireless Apple CarPlay interface displayed on the car radio screen, showing common applications and Siri voice control functionality.
5.2.2 Wired Android Auto (for Android users)
- Ensure Android Auto is installed on your Android phone.
- Connect your Android phone to the car radio using a USB cable.
- On the car radio, navigate to the Android Auto application.
- Follow any on-screen prompts on both your phone and the car radio to establish the connection.
- Android Auto will mirror essential features like GPS mapping, music playback, and communication.

5.2. irudia: The wired Android Auto interface displayed on the car radio screen, demonstrating connectivity with an Android smartphone.
5.3 GPS nabigazioa
The unit features built-in GPS navigation with support for both online and offline maps.
- Lineako nabigazioa: Connect to Wi-Fi or 4G (if enabled) to access real-time traffic conditions and up-to-date map data.
- Lineaz kanpoko nabigazioa: Download desired map regions for navigation without an internet connection. This is useful in areas with poor network coverage.
- Kokapen zehatza: The system uses accurate satellite positioning to prevent getting lost and provide precise directions.
5.4 Bluetooth funtzionalitatea
Konektatu zure telefonoa Bluetooth bidez esku libreko deiak eta audioa erreproduzitzeko.
- Esku libreko deiak: Pair your phone to make and receive calls directly through the car radio. The external microphone ensures clear communication.
- Bluetooth musika: Stream audio from your phone to the car's speakers.
- Phonebook Sync: Download your phone's contacts to the unit for easy access.
5.5 FM Irratia
Access local radio stations with the built-in FM tuner.
- Maiztasun-tartea: FM 87.50-108.0 MHz.
- Aurrez ezarritako geltokiak: Save up to 18 of your favorite stations for quick access.
- EQ funtzioa: Utilize the equalizer to customize audio output for an optimal listening experience.
5.6 UI Desktop Themes & Split Screen
Personalize your user experience and enhance multitasking.
- Hainbat UI gai: Choose from various built-in desktop themes to refresh the look and feel of your interface.
- Split Screen Function: Run two applications simultaneously on the screen, such as navigation and music playback, for improved convenience.

5.3. irudia: A visual representation of various user interface (UI) desktop themes and integrated features available on the CHSTEK 8581A system, including navigation, radio, apps, Bluetooth, and DSP equalizer settings.
5.7 Bolantearen kontrola
Integrate with your vehicle's steering wheel controls for safe and convenient operation.
- Funtzionalitatea: Control volume, track skipping, answer/end calls, and other functions directly from your steering wheel.
- Bateragarritasun oharra: As mentioned in the installation section, some high-grade Porsche models (e.g., Cayman 2010-2012) may have limited or no support for steering wheel controls.

5.4. irudia: Illustration of how the car radio integrates with existing steering wheel controls for convenient operation while driving.
6. Mantentzea
Proper maintenance ensures the longevity and optimal performance of your car radio.
- Pantaila garbitzea: Erabili zapi leun eta pelurik gabeko bat ukipen-pantaila astiro-astiro garbitzeko. Orban egoskorrak izanez gero, garbitu apur batampGarbitu zapi bat urarekin edo pantaila-garbitzaile batekin. Saihestu material urratzaileak edo produktu kimiko gogorrak.
- Software eguneraketak: Periodically check for available software updates to ensure the unit has the latest features and bug fixes. Updates can typically be performed via Wi-Fi.
- Saihestu likidoak: Do not spill liquids on the unit. If accidental spillage occurs, power off the unit immediately and allow it to dry completely before use.
- Tenperatura kontrola: While the unit is designed for automotive environments, extreme heat or cold can affect performance. Park in shaded areas when possible during hot weather.
7. Arazoak
This section addresses common issues you might encounter with your CHSTEK 8581A unit.
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Unitatetik ez dago soinurik. | Vehicle has BOSE/Harman Kardon audio system without fiber optic box. Incorrect wiring. | Install a fiber optic box (if applicable). Check all audio wiring connections. |
| Steering wheel controls do not work. | Vehicle incompatibility (e.g., certain Cayman 2010-2012 models). Incorrect wiring. | Verify vehicle compatibility. Check steering wheel control wiring. |
| 4G network not working in Americas. | Unit not configured for Americas 4G bands. | Contact customer service to ensure your unit has the correct hardware for Americas 4G SIM card functionality. |
| Android Auto not connecting with Samsung phone. | Known compatibility issue with some Samsung devices. | Ensure Android Auto app is updated. Try different USB cables. If issue persists, contact support. |
| Touch screen unresponsive or inaccurate. | Software glitch. Physical damage. | Berrabiarazi unitatea. Arazoak jarraitzen badu, jarri harremanetan bezeroarentzako arreta-zerbitzuarekin. |
If you encounter issues not listed here or require further assistance, please contact CHSTEK customer support.
8. Zehaztapenak
Key technical specifications for the CHSTEK 8581A Car Radio.
| Ezaugarri | Zehaztapena |
|---|---|
| Modelo zenbakia | 8581A |
| Sistema eragilea | Android 13 |
| Bistaratzea | 8-inch 1280*720P HD Touch Screen |
| RAM + Storage | 2GB RAM + 32GB Internal Storage |
| Prozesadorea | 8 Core 1.6GHz |
| Konektibitatea | Bluetooth, USB, Wi-Fi, 4G (optional) |
| Ezaugarri bereziak | Built-In Bluetooth, Touchscreen, Wireless CarPlay, Wired Android Auto, GPS Navigation, Split Screen, Multiple UI Themes, DSP Equalizer |
| Audio irteera modua | Estereoa |
| Inguruko soinu-kanalaren konfigurazioa | 2.0 |
| Elementuaren pisua | 4.41 kilo |
| Paketearen neurriak | 7.87 x 7.87 x 7.87 hazbete |
9. Bermea eta Laguntza
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact CHSTEK customer service directly. Ensure you have your product model number (8581A) and purchase details available when contacting support.





