1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your JMCQ 2Din Android 12 Car Stereo. Designed specifically for Renault Megane 2 models manufactured between 2002 and 2009, this multimedia system offers advanced features including GPS navigation, Carplay, Android operating system, and various entertainment options. Please read this manual thoroughly before installation and use to ensure optimal performance and safety.

Figure 1: JMCQ Android 12 Car Stereo in a Renault Megane 2
2. Package Contents
Please verify that all items listed below are included in your package:

Figure 2: Package List
- Main Unit (Car Stereo Machine)
- Frame (for Renault Megane 2 fitment)
- Power Cable
- RCA Cable
- USB Cable (x2)
- GPS Antenna
- 4G RCA Cable (for models with 4G function)
- Installation Tool (Gift)
- Camera Input Cable
- Digital Manual (accessible via QR code)
3. Specifications
| Feature | Specification |
|---|---|
| TF/Micro SD Slot | 0 |
| Din | Double Din |
| RAM | 1G/2G/4G/6G (model dependent) |
| Interface | USB |
| Operating System | Android 10.0 OS (or newer, model dependent) |
| Out Power | 4*50W |
| Voltage | 12 V |
| Item Weight | 1.7 kg |
| Item Size | 24cm*20cm*12cm |
| Max External Memory | 128G |
| Special Features | Wifi function, Support steering wheel control, Support 3G/4G Network, Support Can-Bus, Built-in GPS, MP3 players |
| Digital Media Format | Mp3, MP4, WMA, JPEG |
| OSD Language | Multi-language support including English, Russian, Spanish, French, German, etc. |
| Resolution | 1024*600 / 1280*720 (model dependent) |
| Display Size | 9" |
| Brand Name | JMCQ |
| Origin | Mainland China |
| For Vehicle Brands/Model | Renault Megane 2 |
| Megane-Year | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
| ROM | 16G/32G/64G/128G (model dependent) |
| Material | Metal + Plastics |
| Certification | None |

Figure 3: Model Feature Comparison (K3, T3L, T3L Plus, T6L, T10)
4. Setup and Installation
4.1. Compatibility Check
Before installation, ensure the car stereo is compatible with your vehicle:
- Verify the product's model and year match your Renault Megane 2 (2002-2009).
- Compare the installation position of the product with your car's dashboard.
- Check if the product's power cable interface is suitable for your car. Note that not all original car interfaces may need to be connected.
- If unsure, consult a professional installer or contact customer support with pictures of your original car radio's front and rear interfaces.

Figure 4: Before and After Installation
4.2. Wiring Diagram
Refer to the following diagram for connecting the various components of your car stereo. Professional installation is recommended.

Figure 5: Product Display and Wiring Connections
4.3. Cooling Fan Installation
The cooling fan helps prevent abnormal function and automatic restarts due to high temperatures or prolonged use. Install the cooling fan as shown in the diagram.

Figure 6: Cooling Fan Installation
5. Operating Instructions
5.1. Android OS and User Interface
The car stereo runs on an Android operating system (Android 10.0 or newer, depending on the model), offering a customizable interface and access to various applications. The UI is designed for intuitive use while driving.

Figure 7: Android 10.0 UI Display
5.2. Navigation
The unit comes with preloaded offline maps for your region. You can also download and install your preferred navigation apps (e.g., Google Maps, iGO, Navitel, Sygic) from the Google Play Store.

Figure 8: Free Map Navigation
5.3. Multimedia Functions
- Bluetooth: Connect your smartphone via Bluetooth 5.0 for hands-free calling and audio streaming. The system supports ultra-long-distance reception and stable signal.
- Video Playback: Enjoy videos directly on the unit.
- Floating Video Function: Play videos in a floating window, allowing you to customize its position on the screen while using other applications.
- Split Screen: Display two applications simultaneously, such as navigation and music, for enhanced multitasking.

Figure 9: Bluetooth Call and Music

Figure 10: Float Video Function

Figure 11: Split Screen Function
5.4. Digital Sound Processor (DSP)
The built-in DSP features a 48-band equalizer (EQ) and sound surround settings, allowing you to fine-tune the audio output for an immersive music experience.

Figure 12: DSP User Operation Settings Interface
5.5. Steering Wheel Control
The car stereo supports the conventional control keys on your vehicle's steering wheel, allowing you to manage functions without taking your hands off the wheel.

Figure 13: Steering Wheel Control
5.6. 4G Network Support
For models with 4G functionality, insert a SIM card to access high-speed internet. The unit supports various 2G, 3G, and 4G bands:
- 2G: GSM900 (Band 8); DCS1800 (Band 3); CDMA (BandC0)
- 3G: DT-SCDMA (Band 34); WCDMA (Band 1); CDMA2000 (BandC0)
- 4G: DT-LTE (Band 39/40/41); FDD-LTE (Band 3); FDD-LTE (Band 3); TD-LTE (Band 40/41)

Figure 14: 4G Network Support
5.7. Mirror Link (Easy Connection)
For T10, T10 PLUS, and T10 PRO models, the built-in TLINK APP supports mirror link functionality for both Android and iOS mobile phones. This allows your phone's screen to be displayed on the car stereo, and dual-channel connection enables operation from both the head unit and the mobile phone.

Figure 15: Mirror Link Function
5.8. Key Light Settings
For T10, T10 PLUS, and T10 PRO models, the 7 colors of the radio button lights on the side can be adjusted to match your preference.
5.9. Assistive Driving Features (Optional Accessories)
- Reverse Display / Streaming Camera: Supports reverse display, automatically switching to the rear camera view when the car is in reverse. This enhances driving safety.
- ADAS DVR: Connect an ADAS DVR (Advanced Driver-Assistance Systems Digital Video Recorder) to utilize built-in assistive driving technologies like LDWS (Lane Departure Warning System) and FCWS (Forward Collision Warning System). Insert a high-quality TF memory card to record driving footage.
- TPMS (Tire Pressure Monitoring System): Connect a TPMS device to monitor tire pressure and temperature in real-time, displayed on the car stereo screen.

Figure 16: Streaming Camera and Reverse Display

Figure 17: ADAS DVR Functionality

Figure 18: TPMS Display
6. Maintenance
6.1. Cooling System
The integrated cooling fan is crucial for maintaining optimal operating temperatures. Ensure the fan is not obstructed to prevent overheating, which can lead to abnormal restarts or functional issues.

Figure 19: Cooling Fan Temperature Impact
6.2. General Care
- Keep the screen clean using a soft, lint-free cloth.
- Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
- Do not use harsh chemicals or abrasive cleaners on the unit.
7. Troubleshooting
7.1. Abnormal Restart or Freeze
If the radio experiences abnormal restarts or freezes, especially after long-term use or in high-temperature environments, this is often due to overheating. Ensure the cooling fan is properly installed and functioning. The cooling fan is designed to mitigate these issues.
7.2. Poor Call Quality
For models T3L PLUS/T6L/T10/PLUS/PRO, if you experience poor call quality with the built-in microphone, use the provided RCA cable and external microphone. Connect the external microphone to the 2.5mm MIC interface to improve call clarity.
7.3. Navigation Map Issues
If preloaded maps are not working or you need updated maps, you can download and install local navigation apps from the Google Play Store. Contact technical support for download links for map updates if needed.
8. User Tips
- For enhanced call quality, especially in noisy environments, utilize the external microphone provided with your unit.
- The MIC interface is 2.5mm.
- You can connect a subwoofer to the unit for improved bass audio.
- Always ensure your car's detailed information is provided when seeking support to avoid compatibility issues.
- Offline maps are pre-installed for convenience; however, you can always download and use other navigation apps from the Google Play Store.
9. Warranty and Support
For technical support, please refer to the contact information provided on the warranty card included in your package or send a message through the AliExpress system. Our support team aims to respond within 24 hours, accounting for time zone differences. We regularly update the system to fix bugs; follow the JMCQ official store to receive automatic update notifications.





