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Difference between revisions of "Troubleshoot/NVR/Alarm Null"
(Created page with "===Alarm function is null.=== * Alarm setup is not correct. * Alarm cable connection is not correct. * Alarm input signal is not correct. * There are two loops connect to one...") |
(No difference)
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Revision as of 20:38, 5 October 2015
Alarm function is null.
- Alarm setup is not correct.
- Alarm cable connection is not correct.
- Alarm input signal is not correct.
- There are two loops connect to one alarm device.
