Alarm In; Alarm Out - Ness Premium H.264 DVR Setup Manual

Alarm In

This item allows users to enable / disable alarm input detection. According to
your application, select <N/O> (Normal Open) or <N/C> (Normal Close) to
enable the alarm input detection or select <OFF> to disable the detection.
If you set this item to <N/C> but no device is installed, the alarm will be
triggered and the Event Icon will always be displayed on the screen until this
item is changed to <N/O>, <OFF> or a device is installed to the unit.

Alarm Out

This item allows users to assign an alarm output on certain channel to
activate the relays. These signals can be used to drive a light or siren to
caution an alarm event.
The available options and the corresponding activated alarm outs are listed
as below table:
Option Activating Relay
Alarm Out A
<A only>
Alarm Out B
<B only>
Alarm Out C
<C only>
Alarm Out A & Alarm Out B
<A+B>
Option Activating Relay
Alarm Out B & Alarm Out C
<B+C>
Alarm Out A & Alarm Out C
<A+C>
All Alarm Out
<All>
No Alarm Out
<None>
User's Manual
68