Troubleshoot/NVR/Alarm Null
Revision as of 18:01, 16 March 2016 by JP (talk | contribs) (JP moved page AlarmNull to Troubleshoot/NVR/Alarm Null)
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.