Samsung SRN-4000 User Manual page 126

setup viewer
event
For more information, refer to "Setting the event". (Page 76)
Sensor detection
nvr / Camera
You can set the sensor operation mode and the synchronized
camera as well as the alarm output type and the duration.
If the connected network camera that has configured the alarm in/out
`
settings triggers an alarm, NVR will perform the alarm out.
event detection
nvr / Camera
You can set NVR and camera event mode, alarm output type
and alarm time.
video Loss detection
You can set to trigger the alarm if a video loss occurs.
126_ setup viewer