Dedicated Micros DV-IP Express Nstallation And Operation Manual page 75

Camera Fail (Relay 3)
System Set (Relay 4)
Dedicated Micros ©2009
Select this option to establish any camera fail trigger as a Global Select this option to establish any camera fail trigger as a Global
Relay. Therefore the relay will close when there is notification
on the system that any of the enabled �ideo inputs has camera
failure (no 1� pk-to-pk signal).
�hen selected, the unit will automatically switch to Set mode
following relay acti�ation.