User manual

107
EN
CCTV
Appendix B Calculate Recording Capacity
Users can calculate the required size of hard disk according to the total recording duration and DVR recording settings. The
DVR uses fixed video bit rate. The below are the details at different settings for CBR.
Resolution
Frame Rate
Totally(FPS)
Video Quality
Bit Rate
(kbps)
Used Space(MB/h)
1080P
25(PAL)/
30(NTSC)
Highest 12M
5400
Higher 9M
4050
Medium 7M
3150
Low 6M
2700
Lower 4M
1800
Lowest 1.5M
675
The calculation format is: Total Recording capacity =Used space per hour (MB/h) (coverage rate of hard disk) ×
recording time (hour) ×channel numbers
For instance, one customer uses PAL cameras, set resolution to 1080P, video quality to Lowest, frame rate to 25 fps for
enabling total 4 channels. He wants the unit to record continuously in a month. Below is the calculation:
Total Recoding capacity =675 (mb/h) X 24(hours/day) X30(days) X4(channels)= 1944000 (MB)≈1898(GB)
Therefore, customers need to install two SATA HDDs with 1000GB for one month record.
Appendix C Compatible Devices
1. Compatible USB drive after test.
Brand Capacity
SSK 512MB, 1G, 2GB
Netac 4GB
Kingston 2GB
Aigo 2GB
Smatter vider 1GB
SanDisk 4GB
2. Compatible SATA CD/DVD writers after test
Brand Model
TECLAST GH22NP20/TL-22XD
BENQ DW220S-0K4
LITEON DH—20A6S01C
LITEON DH-20A4P02C
SAMSUNG TS-H653B
3. Compatible HDD list
Brand Capacity
Seagate Barracuda 80G/160G/250G/320G /1.5T/2TB
Seagate SV35.3 1T
Seagate Pipeline HD.2 500G
Maxtor Diamondmax 160G
HITACHI Deskstar 80G/160G
WD WD1600JS 160G
Samsung HD161HJ 160G