Amcrest NV21 Series, Руководство пользователя

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Below are a few possible reasons why this may be occurring:
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The network speed is not enough to transfer video data via web access.
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The client PC may have limited resources.
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Multicast mode may be causing this issue.
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A privacy mask or screensaver may be enabled.
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The logged in user may not have enough rights to monitor real-time playback.
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The NVR's local video output quality is not enough.
15. Network connection is not stable.
Below are a few possible reasons why this may be occurring:
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The network is not stable.
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There may be an IP address conflict.
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There may be a MAC address conflict.
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The PC or NVR network card may be defective.
16. Keyboard is not working with the NVR.
Below are a few possible reasons why this may be occurring:
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The NVR serial port is not setup correctly.
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The keyboard may be drawing too much power.
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The keyboard cable too long.
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The keyboard is not compatible with the NVR's firmware.
17. The alarm signal cannot be disarmed.
Below are a few possible reasons why this may be occurring:
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An alarm may be setup incorrectly.
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An alarm output may have been manually opened.
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The NVR may have an input device error, or the connection is not correctly configured.
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There may be an error in the NVR's firmware.
18. Alarms are not working.
Below are a few possible reasons why this may be occurring:
•
The alarm is not setup correctly.
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The alarm cable is not connected correctly.
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The alarm input signal is not correctly configured.
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There are two loops connected to one alarm device.
19. The camera is not recording enough video.
Below are a few possible reasons why this may be occurring:
•
The hard drive's capacity is not enough.