User manual

85XX Series Network DVR User Manual……………………………………………………………………….V1.0
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DVR
 Please directly insert the video source into the display device, and check whether the video
source and display device aspect of the problem.
 Check the brightness of the picture is 0, and bring it back to its original default setting
 No video input signal or too weak
 Display settings in the preview set to be closed
 The hardware of DVR is fault
4. Question：Why the DVR can’t record after startup and the interface shows “H”?
Answer：
 Check the DVR whether it use by DC 19V power adaptor
 Check the HDD whether it is formatted in DVR
 Check the HDD power line and the data line whether they are well-connected or bad
 The HDD has problem
 The SATA port has problem
5. Question：What’s meaning“R”“M”“I”“H” show in interface?
Answer：
 “R”means the channel is recording
 “M” means the channel is being motion detection
 “I”means the channel is being alarm
 “H”means there is no HDD, the HDD is bad or the space of HDD is full
6. Question：Why DVR has the problem of real-time image, such as video image color, serious bright
distortion?
Answer：
 BNC output, select PAL and NTSC is not correct, the image will be black and white
 DVR does not match with monitor
 The video transmission distance is too far
 The setting of dvr color , brightness and so on is wrong
7. Question：Why there is no voice when monitoring?
Answer：
 Check if it is using positive sound box or speaker, users can have short circuit to check.
 Is activation of the audio source connected to the video channel? You can click to full-screen to
determine.
 The hardware of DVR is fault
8. Question：Why there is no voice when playing back?
Answer：
 Setting problem: open audio-video item
 Check the audio whether it is closed in playback interface
9. Question：Why the system time is not right?
Answer：
 Setting wrong, or users didn’t click “Edit” to make it valid
 Battery not connected well
 The battery is invalid. Please change one.
10. Question：Why DVR can’t control the PTZ?
Answer：
 The front-end PTZ is fault
 The PTZ decoder setting, connecting and installing is not correct