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Recording Monitored Video
b Alarm Recording (Required user access level: ID4)
Alarm recording is a feature that automatically records live video when an alarm condition such as
an intrusion has been detected.
The alarm detection works in response to the signal inputs from a motion sensor built into a camera
or an external device (such as a door switch or infrared sensor).
☞To activate alarm recording:
It is prerequisite that a user with user access
level ID4 should configure the trigger condition
for alarm recording on the REC MODE SET
and TITLE MOTION SET tabs of the [DVR
Set] window.
The system automatically starts recording
when an alarm condition is detected, and
stops recording when a predefined time
period elapses. This requires no user
intervention.
A ALARM MODE: (see P108)
Enables/disables alarm recording.
B ALARM DURATION: (see 109)
Determines how long recording should
continue when an alarm condition is
detected.
C ALARM TRIGGER: (see 109)
Set the trigger condition for alarm
recording.
D
MOTION SENSOR: (see P118)
Sets the alarm detection condition that
should be applied to the camera’s internal
motion sensor.
☞To view alarm-recorded video:
You can play back an alarm-recorded video
file the same way as an ordinary recorded
video file. In addition, you can use the search
feature to specify an alarm event and view the
alarm-recorded video associated with the
event. For more information, see P45.
A
B
C
Example of settings on REC MODE SET tab
Immediately after alarm recording has
started or immediately after you have
changed DVR’s [PICTURE QUALITY] or
[AUDIO RECORDING] setting, the alarm
recording mechanism is subject to the
following restrictions:
• For up to 4 seconds, it does not
accept any alarm input.
• For up to 6 seconds, it does not start
recording in response to an alarm
input.