Pre-Record; Alarm Input - Jovision JVS-ND6604-DZ User Manual

4.3.4 Pre-record

Here you can set the amount of time that will be recorded before an event occurs. Click Status Switch to enable
the function for the channel and you can set the Pre-record Length as 10, 30 or 60 Sec.

4.3.5 Alarm Input

In this menu, you can configure and manage NVR alarm input. (It supports only some specific models)
Click Status Switch to enable the function for the channel then select Work Mode. For Alarm Action and
Schedule, please refer to 4.3.1 Motion
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