PLANET NVR-1620 - Manual (Page 124)

Network Video Recorder with HDMI
NVR‐820 / NVR‐1620
This function allows users to use camera's digital input port from the recorder
as source of an event. You can set up the recorder to receive events from a
particular camera’s input port and then trigger the NVR to start recording.
*The recorder only acts as a medium for pairing up input/output
ports between cameras and the recorder.
*Only connected cameras will be displayed in the list.
*Some cameras only allow one trigger source to be configured at a
time, e.g.,
If the camera has the motion detection function turned on, its digital
input will be disabled and vice versa. Under such circumstance, if
you set to use camera’s digital input port as the event trigger source,
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