2
Hard Disk
Digital Video Recorder(DVR)
User Manual
4
Issue V1.0 (2018-06-04)
d
indicates the bit rate (unit: Kbit/s).
Step 2
Use the following formula to calculate the approximate video storage duration
t
(unit: day)
w
indicates the capacity (unit: Mbyte) of a single hard disk.
n
indicates the number of disks.
h
indicates the recording duration per day.
c
indicates the number of video inputs of the DVR.
Table 2-2 shows examples of approximate video storage duration (
h
is 24 hours).
Table 2-2
Examples of approximate video storage duration
Hard Disk
Capacity
Bit Rate
Video Count
Approximate Video
Storage Duration
1
×
6TB
D1, 1.5Mbps
4
85 days
1
×
6TB
720p, 3Mbps
4
47 days
1
×
6TB
1080p, 4.5Mbps
4
28 days
2
×
6TB
D1, 1.5Mbps
8
85 days
2
×
6TB
720p, 3Mbps
8
47 days
2
×
6TB
1080p, 4.5Mbps
8
28 days
4
×
6TB
D1, 1.5Mbps
16
85 days
4
×
6TB
720p, 3Mbps
16
47 days
4
×
6TB
1080p, 4.5Mbps
16
28 days
The data listed in the preceding table is only for your reference. The recording time estimate
may be different from the actual recording time. The user shall be liable for any loss
incurred as a result thereof.
2.4 Hard Disk Installation
Take the following steps to install a hard disk:
Step 1
Unscrew the four fixing screws on both sides and one fixing screw on the back, then
remove the upper cover, as shown in Figure 2-1.