Digital Watchdog DWC-MV72Wi28TW User Manual page 48

Setup - Event Setup
Alarm Configuration
1
2
Input Device Setup - Select input device type from OFF / N.O. / N.C.
1
OFF
NO The contact is normally open and closed when activated.
NC The contact is normally closed and open when activated.
Click 'Apply' to save all changes.
2
Operation
Ignore this input sensor.
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