EverFocus EVS200A/AW - Manual (Page 36)

EVS200A/AW
36
4.7.3 Alarm
Alarm Output Setting
Contact Type: Normal Close, Normal Open
Duration Time: Select duration time of alarm output from 5 sec, 10 sec, 20 sec, 30
sec, 60 sec, 2 min, 3 min and 5 min.
Press Apply to apply the setting changes or Reset to reset without saving the
change.
Pre/Post Alarm Setting
This function is used to check what happened immediately before and after a
trigger, e.g. 5 seconds before or after a motion has been detected.
Pre-Alarm Buffer: Image saved internally in the server from the time immediately
preceding the trigger. Input the desired length of pre-trigger buffer time. It can be
set up to 120 seconds.
Post-Alarm Buffer: Image saved internally in the server from the time immediately
after the trigger. Input the desired length of post-trigger buffer time. It can be set
up to 120 seconds.
Press Apply to apply the setting changes or Reset to reset without saving the
change.