User's Manual

Table Of Contents
70
system starts alarm linkage after the local alarm is configured.
IPC offline alarm: When network connecting the Device with IPC is off, the system starts
alarm linkage.
In the main menu, select Alarm > Alarm Input.
The Alarm Input interface is displayed. See Figure 4-51.
Alarm Input
Click each alarm event tab, and enable the alarm input or channel.
Local alarm: The local alarm is enabled by default. Select alarm input, and
configure the alarm name.
IPC offline alarm: The IPC offline alarm is enabled by default. Select channel
number, and configure the alarm name.
Configure alarm event parameters
When the local alarm and the IPC offline alarm are enabled, configure Anti-dither
and Device Type.
Anti-dither: After the anti-dither time is configured, the system records only one
alarm event during this period.
Device type: Select the device type of the external alarm device, normally open
and normally closed.
Configure the alarm linkage action. See4.5.1Alarmfor details.
Click Apply.
4.5.4 Abnormality
Configure abnormal event alarm detection. When there is any abnormality occurs in hard disk
or network, the system starts alarm linkage.
In the main menu, select Alarm > Abnormal.
The ABNORMAL interface is displayed. See Figure 4-52.