■      a.   Check whether the camera serial device protocol, baud rate, address is consistent     b.   Check whether the control cable is connected properly     c.   Check whether the camera workin...

■  Normally it will take 1-3 hours if your installlation refer to our user manual, and the specified time will be decided by your camera model.

■  1.1   Do not expose the product to rain or moisture. 1.2   To prevent the risk of electric shock, do not open the case. Installation and maintenance should only be carried out by qualified techn...

■ a.   Check if the camera outputs video normally by connecting directly to the screen.b.   Check whether the network cable is connected properly (Ethernet port yellow light flashes to indicate nor...

■   a.  Remote control address is set to 1 (if the machine is set back to the factory defaults, remote control addresses need to be back to 1 too)b. Check whether the battery is installed on the re...

■  Solution:a. Check whether the USB cable of the device is connected well and whether the power indicator is onb. Check whether the device is normal after power-off and restartc. Restart the compu...