diff --git a/docs/userguide/definezone.rst b/docs/userguide/definezone.rst index cf33f44c9..98c869e6c 100644 --- a/docs/userguide/definezone.rst +++ b/docs/userguide/definezone.rst @@ -104,6 +104,9 @@ Overload Frame Ignore Count * Number of Blobs > Max Blobs The idea is that after a change like a light going on that is considered too big to count as an alarm, it could take a couple of frames for things to settle down again. +Extend Alarm Frame Count + This field applies to Preclusive Zones only. Placing a value in this field holds the Preclusive zone active for the specified number of frames after the initial triggering event. This is useful in cases where a sudden change in light level triggers the Preclusive zone, but the zone needs to be held active for a few frames as the camera itself adjusts to that change in light level. + Other information ----------------- Refer to `this `__ user contributed Zone guide for additional information will illustrations if you are new to zones and need more help.