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When using a BNC output, NTSC and PAL may be setup incorrectly. The real-time video may become
black and white.
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The NVR is not compatible with the monitor.
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The video transmission cable is too long, or signal degradation is too great.
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The NVR's color or brightness settings are not correctly configured.
6. Local Recordings are not searchable.
Below are a few possible reasons why this may be occurring:
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The hard drive cable is damaged.
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The hard drive is broken.
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The NVR's firmware is incompatible with the recorded video.
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The recorded files have been overwritten.
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The recording function has been disabled.
7. Local playback video is distorted.
Below are a few possible reasons why this may be occurring:
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The video quality setting is too low.
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The NVR software has a read error. Restart the NVR to solve this problem.
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The hard drive cable is damaged.
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The hard drive is malfunctioning.
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The NVR's hardware is malfunctioning.
8. There is no audio during real-time monitoring.
Below are a few possible reasons why this may be occurring:
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The microphone being used is not sufficiently powered.
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The speakers being used are not sufficiently powered.
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The audio cable is damaged.
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The NVR hardware is malfunctioning.
9. There is no audio during recorded video playback.
Below are a few possible reasons why this may be occurring:
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Audio may not be enabled for that channel.
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The corresponding channel may not have any audio input.
10. The timestamp is not displaying the correct time.
Below are a few possible reasons why this may be occurring:
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The time and date settings may not be configured correctly.
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The battery inside the NVR may be loose, or the battery is running low.
11. PTZ control is not working.
Below are a few possible reasons why this may be occurring:
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There may be an error with the PTZ front panel buttons.
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The PTZ decoding settings aren't configured correctly.
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The PTZ connection may be loose or may not be installed correctly.
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An incorrect cable may be used to connect the PTZ enabled device to the NVR.
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The PTZ decoder and the NVR protocol are not compatible.
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The PTZ decoder and NVR address are not compatible.
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Multiple PTZ decoders are causing reverberation or impedance matching, causing PTZ signal
interference. Use a 120 Ohm resister between the PTZ cables to reduce interference.
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The PTZ cable is too long or signal degradation is too great.
12. Motion detection does not work.