HZLIMJDQ Z72 12-inch Android 8.1 4G Car DVR Rearview Mirror Dash Cam User Manual

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of your HZLIMJDQ Z72 12-inch Android 8.1 4G Car DVR Rearview Mirror Dash Cam. Please read this manual thoroughly before using the device to ensure optimal performance and safety.

2. Product Overview

The HZLIMJDQ Z72 is a multi-functional car DVR integrated into a 12-inch rearview mirror, featuring Android 8.1, 4G connectivity, and 1080P recording capabilities. It includes a front camera, supports a rear camera, and offers various smart features.

Figure 2.1: Front view of the HZLIMJDQ Z72 12-inch Android 8.1 4G Car DVR Rearview Mirror Dash Cam, showing the display interface with navigation, DVR, Bluetooth, video, and settings options.

2.1 Key Features

• 12-inch IPS Touch Screen Display
• Android 8.1 Operating System
• 4G Network Connectivity
• 1080P Front Camera Recording (1920x1080 resolution)
• Support for Rear Camera (included)
• Built-in GPS for Navigation
• Bluetooth for hands-free calling and media streaming
• Loop-Cycle Recording
• G-Sensor for emergency recording
• 24-Hour Parking Monitoring
• Max External Memory: 128GB (Micro SD card)

2.2 Device Components and Ports

Figure 2.2: Diagram illustrating the dimensions and port locations on the HZLIMJDQ Z72 Dash Cam. Key ports include AV IN for the rear camera, SIM card slot, USB port for power, TF card slot, and the Power ON/OFF Button.

1. Front Camera Lens: Records forward view.
2. 12-inch IPS Touch Screen: Main display and control interface.
3. AV IN Port: Connects the rear camera.
4. SIM Card Slot: For 4G network connectivity.
5. USB Port: For power input (connects to car charger).
6. TF Card Slot: For Micro SD card (up to 128GB) for video storage.
7. GPS Antenna Port: Connects external GPS antenna.
8. Power ON/OFF Button: To turn the device on or off.
9. Mounting Clips: For attaching to the existing rearview mirror.

3. Setup and Installation

Follow these steps to properly install your Car DVR system.

3.1 Mounting the Dash Cam

1. Ensure your vehicle's engine is off.
2. Carefully place the HZLIMJDQ Z72 over your existing rearview mirror.
3. Use the adjustable clips on the back of the dash cam to securely fasten it to your mirror. Ensure it is stable and does not obstruct your view.
4. Adjust the front camera lens to capture the desired forward view. The lens can be moved back and forth.

3.2 Inserting the Micro SD Card

1. Locate the TF Card Slot on the device (refer to Figure 2.2).
2. Insert a Class 10 or higher Micro SD card (up to 128GB) into the slot until it clicks into place. Ensure the card is inserted in the correct orientation.
3. Note: Format the Micro SD card through the device settings before first use to ensure compatibility and optimal performance.

3.3 Connecting the Rear Camera (Optional but Recommended)

1. Connect the rear camera cable to the AV IN port on the main unit (refer to Figure 2.2).
2. Route the rear camera cable neatly along the vehicle's interior, avoiding interference with airbags or other safety features.
3. Mount the rear camera at the back of your vehicle, typically above the license plate or inside the rear window, ensuring a clear view.
4. Connect the red wire of the rear camera cable to your vehicle's reverse light power source for automatic reverse display functionality.

3.4 Power Connection

1. Connect the provided car charger to the USB Port on the dash cam (refer to Figure 2.2).
2. Plug the other end of the car charger into your vehicle's 12V power outlet (cigarette lighter socket).
3. Route the power cable safely, ensuring it does not interfere with driving controls.
4. The device will automatically power on and begin recording when the vehicle engine starts.

3.5 GPS Antenna Connection

Figure 3.1: The HZLIMJDQ Z72 Dash Cam displaying a navigation map, with the external GPS antenna shown connected. The antenna ensures accurate location tracking and navigation.

1. Connect the external GPS antenna to the dedicated GPS port on the dash cam.
2. Mount the GPS antenna on your dashboard or another location with a clear view of the sky for optimal signal reception.

3.6 SIM Card Installation (for 4G Connectivity)

1. Ensure the device is powered off.
2. Locate the SIM Card Slot (refer to Figure 2.2).
3. Insert a compatible 4G SIM card into the slot.
4. Power on the device. The 4G network should be detected automatically.

4. Operating Instructions

4.1 Power On/Off

• Automatic Power On/Off: The device will automatically power on and start recording when the car engine starts, and power off when the engine is turned off.
• Manual Power On/Off: Press and hold the Power ON/OFF Button (refer to Figure 2.2) for a few seconds to manually turn the device on or off.

4.2 Touch Screen Interface

Figure 4.1: The HZLIMJDQ Z72 Dash Cam displaying the app list, including YouTube, Google Play, Video, File Manager, GPS Test, Maps, Chrome, Spotify, and Bluetooth applications.

The 12-inch IPS touch screen allows for intuitive control. Tap icons to open applications or adjust settings. Swipe left/right to navigate between screens or menus.

Figure 4.2: An overview of the HZLIMJDQ Z72 Dash Cam's key features, including 11.88-inch display, Android 8.1, 4GB RAM, Bluetooth, GPS, Wi-Fi, 4G connectivity, 32GB ROM, dual cameras, and parking monitoring.

4.3 DVR Functions

• Loop Recording: The dash cam records video in 3-minute segments. When the Micro SD card is full, the oldest unlocked videos will be overwritten automatically.
• G-Sensor (Emergency Recording): The built-in G-sensor automatically detects sudden impacts or collisions. When triggered, it locks the current video segment to prevent it from being overwritten during loop recording. These locked files are stored in a separate folder.
• Parking Monitor: When the vehicle is parked and the engine is off, the dash cam can enter parking mode. With time-lapse recording, it records continuously at a low frame rate to provide surveillance. This feature requires a constant power supply (hardwire kit, not included, may be necessary for continuous parking monitoring).

4.4 Android 8.1 Features

• Navigation: Utilize pre-installed or downloaded navigation apps (e.g., Google Maps) with the external GPS antenna for accurate positioning and route guidance.
• Bluetooth: Pair your smartphone via Bluetooth for hands-free calling and audio streaming.
• 4G Connectivity: With a SIM card installed, access the internet for online navigation, app downloads, and other online services.
• Wi-Fi: Connect to Wi-Fi hotspots for internet access.
• App List: Access various Android applications such as YouTube, Spotify, Chrome, and a file manager (refer to Figure 4.1).
• Split Screen Display: The device supports split-screen functionality, allowing you to view two applications simultaneously, for example, navigation and video recording (refer to Figure 4.3).

Figure 4.3: The HZLIMJDQ Z72 Dash Cam demonstrating its 3-split screen display view, showing car video, main menu options (navigation, car video view), app list, music playback, and date/time simultaneously.

4.5 Settings

Access the "Settings" icon on the main screen to configure various device parameters, including:

• Date and Time
• Display Brightness and Sleep Mode
• Audio Volume
• DVR Settings (Loop Recording duration, G-Sensor sensitivity)
• Network Settings (Wi-Fi, 4G data)
• System Information and Updates
• Micro SD Card Formatting

5. Maintenance

• Cleaning the Lenses and Screen: Use a soft, lint-free cloth to gently wipe the camera lenses and the display screen. Avoid using abrasive cleaners or solvents.
• Micro SD Card Management: Regularly format the Micro SD card (at least once a month) to prevent data corruption and ensure optimal recording performance. Back up important video files before formatting.
• Firmware Updates: Check for available firmware updates periodically through the device settings or the manufacturer's website to ensure the device has the latest features and bug fixes.
• Temperature: Avoid exposing the device to extreme temperatures for extended periods, as this can affect battery life and component longevity.

6. Troubleshooting

6.1 Device Not Powering On

• Ensure the car charger is securely connected to both the dash cam and the vehicle's 12V power outlet.
• Check if the vehicle's 12V power outlet is functioning (e.g., by testing with another device).
• Verify the vehicle's fuse for the 12V power outlet.

6.2 Recording Issues

• "Card Full" Error: Format the Micro SD card. Ensure loop recording is enabled.
• Recording Stops Randomly: Use a high-quality Class 10 or higher Micro SD card. Format the card regularly.
• Poor Video Quality: Ensure camera lenses are clean. Check resolution settings.

6.3 GPS Signal Issues

• Ensure the external GPS antenna is securely connected.
• Place the GPS antenna in a location with a clear view of the sky, away from metal obstructions.
• Allow sufficient time for the device to acquire a GPS signal, especially after initial setup or if moved to a new location.

6.4 Touch Screen Unresponsive

• Restart the device by pressing and holding the Power ON/OFF button.
• Ensure the screen is clean and free of debris.

6.5 4G/Wi-Fi Connectivity Problems

• 4G: Ensure a valid SIM card is inserted and has an active data plan. Check network coverage in your area.
• Wi-Fi: Verify the Wi-Fi password and ensure the device is within range of the Wi-Fi network.

7. Specifications

8. Warranty and Support

For warranty information, please refer to the documentation provided with your purchase or contact the seller directly. If you encounter any issues not covered in this manual or require further assistance, please reach out to the HZLIMJDQ customer support team or your retailer.

When contacting support, please have your product model (Z72) and purchase details readily available.