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•A few frames will be left out between
presensor and sensor recording.
• The portion recorded by presensor record-
ing cannot be retrieved by alarm/sensor
search.
• Presensor recording may be split up into 2
segments, depending on the input timing of
the alarm signals. In this case, 2 presensor
recording data will exist with respect to 1
sensor recording when search is performed
on the Web. In addition, image may freeze
for an instant at the interface of the 2
presensor records.
Presensor Recording
Presensor Recording is a feature that works hand-in-hand with Sensor Recording that starts recording automatically by tracing
back to the time prior to the input of alarm signals. Set this in the “PRESENSOR REC” and “PRESENSOR REC DURATION” items
of the “ALARM/SENSOR MODE” Menu. Refer to ‘Changing Menu Settings’ on page 22.
<Example>
Perform a 30-second presensor recording
when in the Sensor Recording mode.
Ⅵ Sensor recording starts at the same time when alarm signals
are received. Upon the start of sensor recording, presensor re-
cording will also start recording automatically for a 30-second
interval.
Sensor recording in
standby mode
(stop mode)
Presensor
Event (Sensor)
Settings
10 seconds
20 seconds
30 seconds
Actual Recording Duration
10 ~ 20 seconds
20 ~ 30 seconds
30 ~ 60 seconds
Alarm
30 seconds
Presensor recording
Sensor recording
<Presensor Recording Preset Values
and Actual Recording Duration>
1.BLOCK 1
2.REC MODE ALARM
25 IPS
180SEC
30SEC
OFF
OFF
OFF
ON
H
3.FRAME RATE
4.QUALITY
5.DURATION
6.AUDIO REC
7.PRESENSOR REC
8.PRESENSOR REC DURATION
9.EXT INPUT OPERATING MODE
10.MOTION DETECT
11.MOTION DETECT SETTING
ALARM/SENSOR MODE