Unisight M4Core D-Seres, Manual

Page: 150 / 156

Digital Network Video Surveillance System
 You have not installed the antenna or the connection is not sound.
 The centre platform configuration is not right or the registration is not effective.
 The cell phone remaining sum is not sufficient.
Daily Maintenance
 Do not allow other objects falling into the DVR (such as water), it may result in device malfunction.
 Always follow the transportation instructions. Do not transport the DVR upside down.
 Please pay attention to the cable connection. The improper connection steps may result in device
malfunction or damage.
 Please make sure all the external cables have soundly earthed.
 Before you connect the power cable, please make sure other cables have properly connected.
 Use the cable strap in case there is short circuit, electric shock.
 Please keep the power cable neat in case it obstacles the driver or the passenger.
 Please remove the negative end (-) of the connection terminal before you configure the cable.
 Please unlock the key before you draw out the SD card. Otherwise it may result in device damage.
 When washing the vehicle, please keep the DVR away from the water. Otherwise it may result in short
circuit, fire or device malfunctions.
 Please make sure the DVR is away from the direct sunlight or other heating sources. Please keep the
sound ventilation.
 Please use the brush to clean the board, socket connector and the chassis regularly.

The DVR shall be soundly earthed in case there is audio/video disturbance. Keep the DVR away from
the static voltage or induced
143H143H
voltage .
 Please unplug the power cable when you remove the audio/video signal cable, RS232 or RS485
cable.
 Please check the DVR is secured firmly and horizontally. Please make sure the anti-vibration
component can work properly.
 Please check and maintain the DVR regularly.
Unisight Digital Technologies, Inc.
150