HIKVISION DS-7608NI-M2 Series User Manual page 20

15.12.6 HTTP Authentication .......................................................................................... 163
15.12.7 HTTP/Web Digest Algorithm.............................................................................. 163
15.12.8 Picture URL Digest Authentication .................................................................... 164
15.12.9 Serial Port Authentication Service ..................................................................... 164
Chapter 16 Appendix .............................................................................................................. 165
16.1 Glossary ........................................................................................................................... 165
16.2 Communication Matrix ................................................................................................... 166
16.3 Device Command............................................................................................................. 167
16.4 Frequently Asked Questions ........................................................................................... 167
16.4.1 Why is there a part of channels displaying "No Resource" or turning black
screen in multi-screen live view? ............................................................................ 167
16.4.2 Why is the video recorder notifying the stream type is not supported?........... 167
16.4.3 Why is the video recorder notifying risky password after a network camera is
added? ..................................................................................................................... 168
16.4.4 How to improve the playback image quality? .................................................... 168
16.4.5 How to confirm the video recorder is using H.265 to record video? ................. 168
16.4.6 Why is the timeline at playback not constant? ................................................... 169
16.4.7 Why is the video recorder notifying the network is unreachable when a network
camera is being added? ........................................................................................... 169
16.4.8 Why is the IP address of network camera being changed automatically? ........ 169
16.4.9 Why is the video recorder notifying IP conflict? ................................................. 170
16.4.10 Why is image getting stuck when playing back by single or multi-channel
cameras? .................................................................................................................. 170
16.4.11 Why does my video recorder make a beeping sound after booting? .............. 170
16.4.12 Why is there no recorded video after the motion detection is set? ................ 170
16.4.13 Why is the video sound quality not good? ........................................................ 171
Network Video Recorder User Manual
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