Difference between revisions of "Troubleshoot/NVR/Alarm Null"
| Line 1: | Line 1: | ||
| − | ===Alarm function is null | + | ===Alarm function is null=== |
* Alarm setup is not correct. | * Alarm setup is not correct. | ||
* Alarm cable connection is not correct. | * Alarm cable connection is not correct. | ||
Revision as of 18:00, 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.
