1. Introduction
Thank you for choosing the SEMAITU Double Din Car Stereo. This advanced car multimedia system is designed to enhance your driving experience with seamless smartphone integration, superior audio quality, and convenient features. This manual provides detailed instructions for installation, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.
Image: The SEMAITU Double Din Car Stereo unit, remote control, backup camera, and smartphone mirroring examples.
2. What's in the Box
Please verify that all items listed below are included in your package:
- 7 Inch HD Double Din Car Stereo
- HD Rear View Camera & Brackets & Frame
- Wire Harness & Disassembly Tool
- Backup Camera Cable & Camera Power Cable
- Remote Controller
- Lavalier Microphone
- User Manual (this document)
3. Setup and Installation
Professional installation is highly recommended for this product. Incorrect wiring can cause damage to the unit or your vehicle's electrical system. Always disconnect the vehicle's battery before beginning installation.
3.1. Wiring Diagram Overview
Refer to the detailed wiring diagram provided with your unit for specific connections. Key connections typically include:
- Power Wires: Constant 12V (Yellow), Accessory 12V (Red), Ground (Black).
- Speaker Wires: Connect to your vehicle's speakers (e.g., White/White-Black for Front Left, Gray/Gray-Black for Front Right, Green/Green-Black for Rear Left, Purple/Purple-Black for Rear Right).
- Camera Input: RCA video input for the backup camera.
- Reverse Trigger: Wire to detect when the vehicle is in reverse gear for automatic camera display.
- Antenna: Connect your vehicle's radio antenna.
- USB/TF Ports: For media playback and smartphone connection.
Image: The car stereo displaying a quick response interface, indicating smooth operation.
3.2. Mounting the Unit
Secure the double din unit into your vehicle's dashboard opening using the provided mounting brackets and screws. Ensure it is firmly in place to prevent vibrations and movement.
4. Operating Instructions
4.1. Voice Assistants (Apple CarPlay & Android Auto)
Connect your compatible iPhone or Android smartphone via USB to enable Apple CarPlay or Android Auto. This allows you to access navigation, make calls, send messages, and play music using voice commands or the stereo's touchscreen interface.
- Apple CarPlay: Connect your iPhone using a certified USB cable. The CarPlay interface will automatically launch on the stereo screen.
- Android Auto: Connect your Android phone using a certified USB cable. Ensure Android Auto is installed on your phone. The interface will launch automatically.
- Voice Control: Use the built-in microphone to activate Siri or Google Assistant for hands-free operation.
Image: In-car view of the stereo displaying Apple CarPlay and Android Auto interfaces, with icons for voice assistant, call, GPS, music, messages, and more apps.
4.2. Bluetooth System
The integrated Bluetooth system allows for wireless audio streaming and hands-free calling.
- Pairing: Go to the Bluetooth settings on the stereo and your smartphone. Search for available devices and select 'SEMAITU TH001' (or similar name) to pair.
- Hands-Free Calling: Once paired, you can make and receive calls directly through the stereo. The built-in microphone ensures clear communication.
- Audio Streaming: Play music from your smartphone wirelessly through the car stereo.
Image: The car stereo displaying a music interface with voice command bubbles for
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