ARC-19509
ArcVision Technology Corp.
7
7. Alarm Function
7.1 ALARM TYPES
There are three kinds of alarm events：
(a) Power-on time and date sequence.
(b) Video signal loss.
(c) Motion has been detected.
(d) Trigger by external alarm input.
7.2 RESPONSE TYPES OF ALARM
There are four types of responses：
(a) Buzzer turns on.
(b) Relay turns on.
(c) Priority recording when triggered by external alarm input.
(d) Alarm list.
7.3 THE ALARM EVENTS PROCESS
There are three kinds of alarm event:
(a) When the power on event occurs, the time in which it is put
”
ON
”
is also recorded. It dosen
’
t affect the buzzer and it is able to
check whether or not it has once been turned off.
(b) When video loss occurs, the relay and buzzer will be turned
“
ON
”
(if they are enabled in the menu set up). The event could also
be written to the alarm list.
(c)
The multiplexer supports 9 channel external alarm inputs, user can set the property for every alarm sensor. When external alarm
triggers, the relay and buzzer will be turned
“
ON
”
(if they are enabled in the menu set up). The event could also be written to the
alarm list.
(d)
The multiplexer supports motion detection for each input camera. User can set motion window and detection sensitivity for each
camera input.
