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Difference between revisions of "Troubleshoot/NVR/Alarm Null"
m (JP moved page AlarmNull to Troubleshoot/NVR/Alarm Null) |
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Revision as of 18:01, 16 March 2016
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.
