1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your CHSTEK Multimedia Player. Please read this manual thoroughly before using the product to ensure proper and safe operation. This unit is designed for specific Volvo models: V40, V70, S60, S40, XC90, and XC70 manufactured between 2000 and 2004.
Important Notes:
- This multimedia player does not have a built-in DVD/CD reader and does not support DVD/CD disc functions.
- There is no built-in SD card slot; external media can only be connected via USB.
- The display features an 8-inch touch screen with a resolution of 1280x720P.
- 4G network functionality is not supported in the Americas (e.g., United States, Canada, Mexico, Brazil) due to regional network differences.
- 4G SIM card network functionality is also not supported in Japan and South Korea due to different carriers and network baseband.
- Antenna adapters and amplifier adapters may be included depending on your specific vehicle model and configuration.
2. Setup and Installation
Professional installation is highly recommended for this product. Ensure the vehicle's power is disconnected before beginning installation.
2.1 Package Contents
Verify that all components are present before installation:
- CHSTEK Multimedia Player Head Unit
- Power Harness
- GPS Antenna
- USB Cables
- RCA Cables (Audio/Video Input/Output)
- 4G Antenna (if applicable)
- External Microphone
- Antenna Adapter (if included)
- Amplifier Adapter (if included)
- User Manual (this document)
2.2 Installation Overview
The multimedia player is designed to integrate seamlessly into your Volvo's dashboard. The following images illustrate the appearance before and after installation, and provide a general wiring diagram.
Figure 2.1: Comparison of the dashboard before and after installing the CHSTEK Multimedia Player.
Figure 2.2: Example wiring diagram for the multimedia player. This diagram shows connections for power, speakers, camera inputs, USB, GPS, and 4G antennas. Refer to the specific wiring harness provided with your unit.
Figure 2.3: Antenna adapter for connecting the vehicle's antenna to the head unit.
Figure 2.4: Amplifier adapter for integrating with the vehicle's existing amplifier system.
2.3 Initial Power-On
After installation, reconnect the vehicle's power. The unit should power on automatically with the vehicle's ignition. Follow any on-screen prompts for initial setup, such as language selection and time zone.
3. Operating Instructions
This section details the various functions and features of your multimedia player.
3.1 User Interface (UI) Navigation
The unit features an intuitive touch-screen interface. Swipe left or right to navigate between different screens and tap icons to open applications or settings. Different UI styles are available, as shown below.
Figure 3.1: Examples of different user interface styles (FY818, FY7862, FY8581, QCM6125) available on the multimedia player.
Video 3.1: Demonstration of the multimedia player's UI, including CarPlay/Android Auto, DSP settings, navigation, and steering wheel control.
3.2 CarPlay and Android Auto
The unit supports both wireless CarPlay and wired Android Auto, allowing you to integrate your smartphone for navigation, music, calls, and more.
3.2.1 Wireless CarPlay
CarPlay provides a smarter, safer way to use your iPhone while driving. It allows you to get directions, make calls, send and receive messages, and enjoy your favorite music directly from your car's display.
Figure 3.2: Wireless CarPlay interface showing online map, Siri voice control, call functions, and music playback.
3.2.2 Wired Android Auto
Android Auto mirrors features from your Android device to the car's display, supporting GPS mapping, music playback, SMS, telephone, and web search.
Figure 3.3: Wired Android Auto interface displaying various applications.
3.3 Bluetooth Connectivity
The unit features Bluetooth 5.0 for faster transfer speeds, wider coverage, and enhanced anti-interference. This allows for high-fidelity music streaming and hands-free calling.
- Display incoming/outgoing/missed calls.
- Download and query phonebook contacts.
- Bluetooth music synchronization.
- Hands-free calling with built-in and external microphones.
Figure 3.4: Bluetooth interface showing phone, address book, and music functions.
3.4 4G & WiFi Connectivity
With built-in WiFi and support for a 4G SIM card (where available), you can connect to the internet for online navigation, video streaming, music, and app downloads from the Google Play Store.
Figure 3.5: Diagram illustrating 4G SIM card slot and WiFi antenna for internet connectivity.
3.5 DSP Sound System
The Digital Sound Processor (DSP) allows for precise audio adjustments, including equalizer settings, position adjustment, 3D surround sound, bass enhancement, and bass filtering.
- EQ Settings: Adjust treble, midrange, and bass for a richer sound experience.
- 3D Surround Sound: By adjusting the sound output time from each speaker, the system can create a surround sound effect, making you feel immersed in the music.
- Bass Enhancement: Boost bass frequencies for a more powerful and flexible bass response.
- Bass Filter: Filter out bass frequencies to make middle and high tones more delicate and full.
Figure 3.6: Visual representation of DSP sound system features, including bass enhancement, surround sound, and sound field adjustments.
3.6 Steering Wheel Control
For safer in-car operation, the unit is compatible with most steering wheel control functions. Easily switch songs, channels, and adjust volume without taking your hands off the wheel.
Figure 3.7: Diagram illustrating the use of steering wheel controls with the multimedia player.
3.7 Radio Function
The radio supports automatic and manual station searching. You can easily drag and drop station icons to customize your channel list.
Figure 3.8: Radio interface showing frequency display and station selection.
3.8 Camera Support (ADAS DVR, Rear View, 360° Panorama)
The unit supports various camera systems to enhance driving safety.
- Rear View Camera: Automatically switches to the reverse screen with parking lines when the car is in reverse.
- Front ADAS DVR: Advanced Driving Assistance System (optional) with 1080P live display and recording for safer driving.
- 360° Panoramic Camera: (Requires specific hardware option) Utilizes 4x220° ultra-wide-angle cameras to capture a seamless 360° aerial view, eliminating dangerous blind spots.
Figure 3.9: Visuals demonstrating support for various cameras, including reverse assist lines, 360° panorama, and 3D viewing.
Note: The 360° panorama function requires specific hardware support from the factory. If the 360 chip hardware option is not purchased, this function will not be available.
3.9 TPMS (Tire Pressure Monitoring System) Support
With the optional OBD2 function, you can retrieve real-time data and trouble codes from your vehicle's computer, including tire pressure information, presented in an easy-to-read format.
3.10 HDMI/AV-Out
The HDMI/AV-Out port allows you to connect the unit to an external monitor or other devices, sharing high-definition video and high-quality audio with all passengers.
3.11 Split Screen Function
The split-screen function allows two applications to run and display simultaneously. Note that some third-party applications may not support this feature if there are functional conflicts.
Figure 3.10: Split screen mode showing video playback with navigation, and navigation with music player.
3.12 Customizable Button Lights
The unit features built-in colorful light hardware for the buttons, allowing you to choose and customize your preferred button light color.
Figure 3.11: Illustration of customizable button light colors.
4. Maintenance
Proper maintenance ensures the longevity and optimal performance of your multimedia player.
4.1 Cleaning the Screen
- Use a soft, lint-free cloth to gently wipe the touch screen.
- For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner.
- Avoid using harsh chemicals, abrasive materials, or excessive moisture, as these can damage the screen.
4.2 General Care
- Keep the unit free from dust and debris.
- Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
- Ensure all cables are securely connected to prevent intermittent issues.
5. Troubleshooting
This section provides solutions to common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Loose power connection, blown fuse, vehicle power issue. | Check power cables and connections. Verify vehicle's fuse box. Consult a professional installer. |
| No sound. | Volume too low, mute activated, incorrect audio source, loose speaker wires. | Increase volume. Check mute status. Select correct audio source. Inspect speaker connections. |
| GPS signal lost or inaccurate. | GPS antenna obstructed or improperly installed, poor satellite coverage. | Ensure GPS antenna has a clear view of the sky. Check antenna connection. Move to an open area. |
| Bluetooth not connecting. | Bluetooth off on unit or phone, device not in pairing mode, interference. | Ensure Bluetooth is enabled on both devices. Put phone in pairing mode. Try restarting both devices. |
| Touch screen unresponsive. | System freeze, debris on screen. | Restart the unit (refer to vehicle manual for power cycle). Clean the screen. |
6. Specifications
Below are the general specifications for the CHSTEK Multimedia Player. Specific configurations may vary.
Figure 6.1: Detailed product parameters table showing different versions (FY818, FY8581, FY7862, MTK8667, Qualcomm 6125, FY7870) with their respective CPU, Core, RAM & ROM, Radio IC, Amplifier, DSP, Carplay/Android Auto, Resolution, Internet, Navigation, Camera, and Basic Features.
| Feature | Description |
|---|---|
| Brand Name | CHSTEK |
| Operating System | Android 13 |
| Display Size | 8" |
| Resolution | 1280*720P |
| RAM | Up to 12G (varies by configuration) |
| ROM | Up to 256G (varies by configuration) |
| Processor | Octa-core (e.g., 6 * ARM Cortex-A55 @ 1.8GHz + 2 * ARM Cortex-A75 @ 2.0GHz) |
| Bluetooth | Bluetooth 5.0 |
| Network | 4G LTE SIM, WIFI |
| Special Features | Built-In Speaker/Microphone, WiFi function, Steering wheel control, 4G Network support, Can-Bus support, Built-in GPS, Charger, Mobile Phone, MP3 players, DSP, CarPlay, Android Auto, Reversing Input, Split Screen |
| Digital Media Format | Mp3, MP4, WMA, JPEG |
| Voltage | 12 V |
| Item Weight | 1.6kg |
| Certification | CE |
| OEM NO. | FG-7147 |
7. Warranty and Support
7.1 Warranty Information
All CHSTEK multimedia players are tested to ensure proper functioning before shipping and come with a 12-month manufacturer warranty. The warranty does not cover damages resulting from:
- Improper installation or operation.
- Accident, misuse, abuse, or neglect.
- Improper wiring or incorrect voltage operation.
- Damages caused by improper packaging when returning the item.
- Disassembly or repair by unauthorized personnel.
7.2 Technical Support
If you encounter any issues during installation or operation, please contact CHSTEK customer support. It is recommended to seek professional assistance for installation to avoid potential damage or warranty voidance.
8. User Tips
- For optimal performance, ensure your unit's software is up to date. Check for updates periodically through the system settings.
- When using navigation, ensure your GPS antenna has a clear line of sight to the sky for accurate positioning.
- Customize your DSP settings to match your audio preferences and vehicle acoustics for the best sound experience.
- Utilize the split-screen feature for multitasking, such as running navigation and music simultaneously, but be aware that some apps may not fully support this.