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Appendix A FAQ
The system does not turn on and the indicator on the front panel does not work at all.
Some channels display just a black screen even if they receive video sources.
Record does not work properly
Cannot nd HDD
a. Check if the power supply system is properly connected.
b. Check the system for the input voltage from the power source.
c. If the problem persists even after you have taken the above actions, check the power supplier and replace
it with a new one if necessary
a. Check if the camera connected to the system properly displays the image. Sometimes, this problem may
occur on a camera that is not properly connected to the video source.
b. Check if the camera is properly supplied with power.
c. Sometimes, this problem may occur on a channel with weak video signal from a video distributor that is
connected to multiple systems. In this case, input the video source of the camera directly into the DVR.
This may nd the cause and solve the problem.
d. Check Monitor 1080p available when using HD-SDI camera
a. Check Record Mode.
b. When Event Record, check Event Setup and Event Sync.
c. Check OSD Record ICON
d. Check whether HDD is working properly.
a. The power of the adapter is not enough. Please change an adapter to try.
b. Connection problem. Please check the power cables and data cables.
c. The HDD is damaged. Change a new one.
Q1
Q2
Q4
Q3
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