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4.3 RECORD CONFIGURATION
QT4 Series DVRs are set to record in real-time (30 frames per second) in the CIF format.
Depending on the model, one or more channels may be set to record in the higher resolution
in real-time, or all channels may record in D1, but at a reduced frame rate. QT5 Series DVRs,
along with the QT454, are configured to record in real-time on all channels in the high-
resolution D1 format. SDI DVRs will only record at 1080p resolution. The QT2124 can only
record in the CIF format. There are five sets of options; Enable, Record Bitrate, Time,
Stamp and Recycle Record.
EnableEnable SnapSnapRecord BitrateRecord Bitrate Recycle RecordRecycle RecordTimeTime StampStamp
DefaultDefault
ApplyApply ExitExit
CH Resolution fps Encode Quality Max Bitrate
1
2
3
4
CH Resolution fps Encode Quality Max Bitrate
1
2
3
4
AllAll Remaining : 0 (CIF), 0 (D1).Remaining : 0 (CIF), 0 (D1).
3030
3030
3030
3030
CBRCBR
CBRCBR
CBRCBR
CBRCBR
HigherHigher
HigherHigher
HigherHigher
HigherHigher
1536 kbps1536 kbps
1536 kbps1536 kbps
1536 kbps1536 kbps
1536 kbps1536 kbps
D1D1
D1D1
D1D1
D1D1
3030 CBRCBR HigherHigher 1536 kbps1536 kbpsD1D1
RECORDRECORD
Enable Tab
Select some or all of the cameras to record
to the DVR. Depending on your DVR model,
you can set up to 16 cameras to record
audio in addition to video. This will require
cameras equipped with microphones or
separate microphones co-located with the
camera(s). You can globally select all the
cameras regardless of their individual settings
by selecting the All box below each column.
Record Bitrate Tab
Set up the resolution, quality, encoding,
quality and maximum bitrate of the video
stream according to your needs. You can set
each camera individually, or globally by using
the All function at the bottom of the window.
PICTURE 4-13
PICTURE 4-14
NOTE! While each camera can have its resolution and frame rate set
independently of the other cameras, the DVR may limit the frame rate available to
a camera based on the settings of other cameras.
Parameter Options What it Means
Resolution
D1, CIF, 960H
1080P
D1 = Full TV resolution, CIF = 1/2 D1. D1 takes more
room on the hard drive than CIF. 960H is 30% wider than
D1
1080P = Full HD resolution. Only available (and only
option) on DVRs with SDI. Will only record at 7FPS. (see
below).
FPS 1-30
Frames per second. More frames makes for smoother
video but takes up more room on the hard drive.
Encode VBR, CBR
Variable Bit Rate versus Constant Bit Rate. VBR provides
better image quality for video with motion in it, but at the
expense of a larger file size.
Quality
Lowest
– Highest
Only available when VBR is selected. The higher the
quality, the more drive space required. CBR’s default
setting is for higher quality.
Max Bitrate 256-2084kbps
This sets the maximum bitrate that each camera will
record at with VBR encoding selected.
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