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4 There is no video output whether it is one-channel, multiple-channel or all-channel output.
There are the following possibilities:
z Program is incompatible. Please upgrade to the latest version.
z Brightness is 0. Please restore factory default setup.
z There is no video input signal or it is too weak.
z Check privacy mask setup or your screen saver.
z DVR hardware malfunctions.
5 Real-time video color is distorted.
There are the following possibilities:
z When using BNC output, NTSC and PAL setup is not correct. The real-time video
becomes black and white.
z DVR and monitor resistance is not compatible.
z Video transmission distance is too long or video signal is too much degraded.
z DVR color or brightness setup is incorrect.
6 Can not search local records.
There are the following possibilities:
z HDD ribbon is damaged.
z HDD is broken.
z Upgraded program is not compatible.
z The recorded file has been overwritten.
z Record function has been disabled.
7 Video is distorted when searching local records.
There are the following possibilities:
z Video quality setup is too low.
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