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3-19
DIGITAL VIDEO RECORDER
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⑧ MOTION DETECTION
The DVD will start recording images whenever it detects any movement only when ALARM
ENABLE is set to ON. At this time, you can set the detailed items about the motion detection
in the SET AREA & SENSITIVITY menu. To force stop the recording started by the motion
detection, press and hold the STOP(
■) button for 3 seconds. Then, the recording started by the
motion detection will be paused for 5 seconds, during which time you should go into the menu
and set the MOTION DETECTION to OFF to completely stop the recording. If no action is
performed by the user for 5 seconds, the system resumes the recording started by motion
detection. [ON/OFF]
⑨ SET AREA & SENSITIVITY
1) AREA
Areas for motion detection are 4 in total and you can set the LEVEL, SIZE, and MOVE
for each area. When you go into SET AREA & SENSITIVITY menu, the following
screen appears and the cursor is positioned at the AREA item. At this time, press the
UP( ) or DOWN( ) button to select the desired area (AREA 0 ~ AREA 3), and press
the SET/STILL( ) button to move the cursor to the LEVEL item to set the
sensitivity level for the selected area. [0/1/2/3]
2) LEVEL
Sensitivity to motion can be set from LOW to HIGH+, or to OFF. Closer to HIGH, more
resensitive to motion, closer to LOW, more insensitive to motion.
Press the UP( ) or DOWN( ) buttion to set the sensitivity level, and press the
SET/STILL( ) button to move the cursor to the SIZE item to set the size of the motion
detection area.
[OFF/LOW/LOW+/MIDDLE/MIDDLE+/HIGH/HIGH+]
Caution
Caution
When performing the recording started by motion detection, the recording time is
determined by the the time set in MAIN ALARM TIME, PRE ALARM TIME LIMIT, and
POST ALARM TIME LIMIT as it was the case in the alarm recording.
➄ PRE ALARM TIME LIMIT
The pre-alarm recording is an important function which enables you to find out about the situation
immediately before a motion is detected in the input video or before alarm occurs. Set how much
video data you want to record before the motion is detected or alarm is triggered. About 2 seconds
to 10 seconds of video data are stored in the system’s SDRAM at all times. When a motion is detect-
ed or alarm is triggered, as much data as it is set in the PRE ALARM TIME LIMIT is taken from
the SDRAM and written to the HDD as it simultaneously begins the alarm recording. However, since
the capacity of the SDRAM is limited, the field rate of the pre-alarm recording will decrease as the
time set in the PRE ALARM TIME LIMIT is increased.
[10SECOND/8SECOND/6SECOND/4SECOND/2SECOND/OFF]
➅ POST ALARM TIME LIMIT
Set the amount of video data you want to record immediately after a motion is detected in
the input video or alarm is triggered. The system records as long as the time set in the
MAIN ALARM TIME, and then records more data as long as the time set in the POST
ALARM TIME LIMIT.
[5MINUTE/4MINUTE/3MINUTE/2MINUTE/1MINUTE/30SECOND/20SECOND/
10SECOND/OFF]
➆ MAIN ALARM PICTURE RATE
Set the main alarm recording field rate. If the input video signal is NTSC, a maximum of
60 FPS can be recorded; if PAL, a maximum of 50 FPS can be recorded.
1) NTSC
[60.00FPS/30.00FPS/15.00FPS/10.00FPS/7.50FPS/5.00FPS/ 2.50FPS/
1.00FPS/0.50FPS]
2) PAL
[50.00FPS/25.00FPS/12.50FPS/8.30FPS/ 6.25FPS/5.00FPS/2.50FPS/
1.00FPS/0.50FPS]
Caution
Caution
If the system is currently recording, the PRE ALARM TIME LIMIT settings will not be
applied even when alarm occurs. The PRE ALARM TIME LIMIT settings are applied
only if the system is not currently recording.
Note
Note
The following illustrates the temporal relationship among the main alarm recording
time (MAIN ALARM TIME), pre-alarm recording time (PRE ALARM TIME LIMIT), and
post alarm recording time (POST ALARM TIME LIMIT) based on the time of alarm
occurrence.
Alarm Occurrence
PRE ALARM TIME LIMIT MAIN ALARM TIME POSTALARM TIME LIMIT
AREA=0 LEVEL=OFF [SIZE][MOVE]
AREA 0
AREA 1
AREA 2 AREA 3