Digital Video Recorder
33
Highlight the box beside
Mode
. Pressing the
button toggles between
Simplex
and
Duplex
.
In the Simplex mode, the DVR can record up to 60 images per second for NTSC (50 for PAL).
However, in the Simplex mode, you can only record or play back video, but not both. In the
Duplex mode, you can record and play back video at the same time. However, you can only
record up to 30 images per second for NTSC (25 for PAL) while in the Duplex mode.
NOTE: The maximum playback speed is 30ips (25ips PAL) while playing back video in
the Duplex mode even if it was recorded at 60ips (50ips PAL) in the Simplex mode.
Video that was recorded at 60 ips for NTSC (50 ips for PAL) in the Simplex mode will play
back slower in the Duplex mode, and will have poor quality audio.
Highlight the box beside
Field Detect
. Pressing the
button toggles between On and Off.
When set to On, the Field Detection helps prevent shaking in the Simplex mode. It does this by
recording odd numbered fields from odd numbered cameras and even numbered fields from
even numbered cameras.
You can save your changes by highlighting
OK
and pressing the
button. Selecting
Cancel
exits the screen without saving the changes.
Time-Lapse Record Mode Setup Screen
Figure 41 — Time-Lapse Record Setup screen.
Highlight the box under
Speed
and press the
button. A drop-down list of record speeds
appears. You can select from 1 image per 10 seconds to 60 images per second for NTSC (to 50
images per second PAL). You can set two modes. The modes are used when scheduling the
DVR. For example, you might use Mode 1 during operating hours and Mode 2 when the
facilities are closed.
NOTE: If you have set the DVR for Duplex mode, you will not be able to select 60 ips
NTSC (50 ips PAL).
Summary of Contents for AHDR16
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