USB HD DVR & WiFi Dash Cam: Installation and Operation Guide
USB HD DVR
Product Name: USB HD DVR
Purpose: Vehicle Android Navigation Special Purpose
Notes on Connection: Normally, use the random USB interface of the large screen host machine for connection (e.g., USB1). If the equipment cannot be normally found, try replacing it with the USB2 interface.
Image: A compact, circular, black dash camera unit with a visible lens.
Application Logos: [Camera App Logo], [Video App Logo], [APK App Logo]
ADAS Activation
Android car navigation requires a network connection. Follow the steps in the figure and click upgrade. After completion, adjust the ADAS marking line to the center position. For activation while driving, the vehicle speed needs to reach over 30 miles per hour. Activation typically takes about one minute.
Product Features
- GPS information watermarking (available on some DVR models).
- APK for convenient installation.
- Clear starlight night-vision video picture quality.
- Lane departure warning (ADAS) functionality.
- Automatic recording upon power-on and automatic cyclic recording (overwriting old footage).
- Automatic synchronization of vehicle-mounted time upon power-on.
Installation Method of APK (HD DVR)
Diagram: Shows connections between a HOST device, USB 1, ODVR (the dash cam), and USB 2.
If ES File Browser is installed on the vehicle, navigate to the external USB flash drive to find and install the APK software, named 'uCardvr.apk'. The interface will be shown as below:
Screenshots: Multiple UI screens of the DVR system are displayed, showing navigation interfaces, camera feeds, and settings menus.
Common Trouble Shooting
Before sending the DVR for servicing, consult the table below for possible reasons and solutions for common issues. This may help resolve problems and restore normal operation. If issues persist, contact customer support or a professional service center.
| Problem | Possible Reasons |
|---|---|
| Host machine has no indication after DVR is plugged in. | Check if the recording power LED lights up. Try replacing the USB interface of the host machine for reconnection. |
| Restart of DVR is frequently reminded. | Format the TF card. Try replacing it with a high-speed TF card and restart. |
| DVR is not recording. | Check if the TF card is inserted properly. Format the TF card. Try replacing it with a high-speed TF card. |
| Video recording quality is not satisfactory. | Check if the protection tape on the lens was removed upon delivery. |
| Video has no sound. | Check if the microphone is set to "On". |
Chinese text: 说明书 (Manual), 成品尺寸: 75×120mm (Finished size: 75x120mm)
WiFi DASH CAM INSTRUCTIONS
Welcome to this product. Please read these operating instructions carefully before use.
1. Mobile App Download
Please scan the QR code provided to download the mobile application. Diagram: A QR code is displayed for downloading the mobile app.
Download via: App Store Google Play [Note: Links are placeholders as actual URLs are not provided.]
Alternatively, search for "roadcam" on Google Play or the App Store.
2. Recorder Installation Guide
Install the recorder behind the rearview mirror and connect the power supply.
Diagram: Illustrates USB interface installation in a car, showing connection to a USB port.
Diagram: Illustrates ACC interface installation in a car, showing connection to the fuse box.
3. App Instructions
After completing the installation, open the app and tap the central camera icon to connect. The recorder's time will automatically synchronize with the current mobile phone time. Additionally, navigate to the recorder's settings menu and select the option to "format SD card".
Screenshots: Show mobile phone settings for WLAN connection, selecting the DVR's WiFi network (e.g., LH_DVR_XXXX), and a connected device screen with a circular icon.
To connect the dash cam: 1. Start the car to power on the recorder. 2. On your mobile phone's settings, find the WiFi network starting with "DVR -" or "CVR - ". 3. Connect to this network using the default password: 12345678.
