DDR-04 / DDR-08-1U / DDR-16-1U User’s Manual
R201302-V08
16
4.3.2 Record
stream
Step1: enter into system configuration
record configuration
record bit rate; refer to Fig 4-10:
16CH
Fig 4-10 record configuration-record bit rate
Step2: setup rate, resolution, quality, encode and max bit stream
Step3: user can setup all channels with same parameters, tick off “All”, then to do relevant setup.
Step4: click “default” button to resort default setting; click “apply” button to save the setting; click “exit” button to exit
current interface.
Note: if the rate value set is over high the maximum resources of the device, the value will be adjusted
automatically.
Definitions and descriptions of Record stream:
Parameter Meaning
Rate
Range from: 1-30
（
NTSC
）
1-25(PAL)
Resolution Support
CIF
and
D1
Quality
The quality of recorded images. The higher the value is, the
clearer the recorded image is. Six options: lowest, lower,
low, medium, higher and highest.
Encode
VBR and CBR
Max bit stream Range from: 64 Kbps
、
128 Kbps
、
256 Kbps
、
512 Kbps
、
768 Kbps
、
1Mbps
、
2 Mbps
4.3.3 Time
Step1: enter into system configuration
record configuration
time; refer to Fig 4-12:
Fig 4-12 record configuration-time
Pre-alarm record time:
the record time before event happen i.e. record time before motion detection or sensor
alarm is triggered.
Post-alarm record:
set the post recording time after the alarm is finished, five options: 10s
、
15s
、
20s
、
30s and 60s.
