• Installation Environment

• To extend the service life, please try to install the device in a place where vibration is weak;
• To ensure normal heat dissipation, do not install the device in a poorly-ventilated area (such as trunk), and also keep about 15 cm away from other objects on the same level;
• The device shall be horizontally installed and protected against water, humidity and lightning; in addition, keep the vehicle still during installation to prevent damage to the device due to falling off;
• To ensure safe operation, keep the device, camera, cables and other accessories out of reach of passengers and driver.

• Avoid Electric Shock and Fire

• 8V-36V DC power supply is used for this device. Please note the positive and negative terminals during connection to prevent short circuit;
• Please power the device off before connecting any peripheral ;
• Do not touch the power supply and the device with wet hands;
• Do not spray liquid on the device to prevent internal short circuit or fire;
• Do not place any other device directly on top of the camera;
• Do not disassemble the housing without authorization to avoid damage or electric shock;

Appendix 1: Common Questions and Answers (QA) for MDVR

Q: What shall we do when the mainframe video input interface is different from the camera input interface?
A: a 4-pin interface is used for the vehicle device. BNC interface or air interface is used for the camera. If inconsistency is found, please use an adapter or connect it to a standard line defined as the line sequence for the vehicle device.

Q: What shall we do if recording is unavailable even when the device is powered on and HDD is installed?
A: 1. Check that the HDD is formatted after HDD is installed and HDD without formatting cannot be used. From the Main Menu-Management Tool-Formatting, format the newly-installed HDD.
2. Check if the record channel is off or if timing record is set. Recording is unavailable when it is not within the recording time frame.
3. Check if the HDD is properly contacted, and the HDD on the front panel is lit up.