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NDVR User Manual
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Chapter 6-4-5. Post-alarm Recording
Post-alarm recording can record the video of a camera after a particular alarm/motion is
triggered. To enable post-alarm recording, please set the post-alarm recording seconds for
this option.
Chapter 6-4-6. Resolution
The NDR can provide full D1 or CIF recording solutions. The default setting is at full D1
recording. To change recording resolution, please press Left or Right button.
Chapter 6-4-7. GOP
Group of Pictures (GOP) technology is wildly used by dynamical streaming compression
algorithm such as MPEG-4 and H.264. GOP technology contains one still image followed by
dynamical streaming (P frame) . For example, GOP 4 means that there are 1 still image
followed by 3 P frames. The P frame is just a small portion (dynamic part of the video) of the
still image for reducing video size. Higher GOP means smaller video in size if the video source
is static. If the video source changes dramatically such as PTZ camera in auto pan mode, it
may results in bad video quality.
Chapter 6-4-8. Schedule
Once the schedule has been setup, the NDR can record camera video based on the
schedule table. The NDR’s timer detects every second to check if it should start to record.
To edit the schedule table, a user can press Enter button for editing mode. Press Enter
button that can change recording mode, always, sensor, motion, or no record. For the Apply
All setting, the user can use Up or Down button to select Apply All menu item. Press Enter
button on” Apply All” menu item that can setup a recording mode for a week.
Chapter 6-4-9. HDD Overwritten
The NDR can be setup for HDD circular recording. If the user does not want the HDD to be
overwritten, please turn the option to be off.
SCHEDULE
0 4 8 10 12 14 16 18 20 22 24
MON
TUE
WED
THU
FRI
SAT
SUN
□
ALWAYS
□
SENSOR
□
MOTION
□
NONE RECORDING