Saten 1U, Руководство пользователя

Страница: 43 / 60

Network Video Recorder
User Manual
Network Video Recorder
43
Pattern
Note: 1GB=1000MB, not 1GiB=1024MiB, so HDD capacity shown in Base Configuration under HDD
Management less than real marked.
File size per hour (CBR).
Form 7 1 record file size
You can begin the desired path or end a path by filling the
figure in the box.
8.2. HDD Capacity Calculation:
8.2.1 Reference of HDD Capacity Calculation
The first time install DVR, please check if the HDD has installed.
The capacity of the HDD
There is no limitation of capacity of single HDD to DVR, please choose the HDD according to the saving
time.
The choose of the Capacity
Computational formula of HDD Capacity:
Whole HDD Capacity = number of the channels × time in need (hour) × spent of HDD Capacity per hour
(MB/hour)
Similarly we can have the formula of recording time:
annel AmountofCh hr rHour cupationpe CapacityOc
pacity TotalHDDCa
hour time R


）
MB/
（
）
MB
（
） （
ecording
Bit Rate File Bit Rate File Bit Rate File
96k 42M 320k 140M 896k 393M
128k 56M 384k 168M 1.00M 450M
160k 70M 448k 196M 1.25M 562M
192k 84M 512k 225M 1.50M 675M
224k 98M 640k 281M 1.75M 787M
256k 112M 768k 337M 2.00M 900M
File size is more unpredictable when VBR style, please refer to the real size of recording file.