3
Hard Disk
Network Video Recorder(NVR)
Quick Start Guide
6
Issue V1.1 (2016-02-22)
Step 2
Use the following formula to calculate the 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 NVR.
Table 3-2 shows examples of video storage duration (
h
is 24 hours).
Table 3-2
Examples of video storage duration
Hard Disk
Capacity
Bit Rate
Video Count
Video Storage
Duration
8
×
4TB
D1, 1.5Mbps
32
60 days
8
×
4TB
720p, 3Mbps
32
30 days
8
×
4TB
1080p, 4.5Mbps
32
20 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.
3.4 Hard Disk Installation
To install hard disks of the NVR, perform the following steps:
Step 1
Remove the six screws for fixing the cover and take down the cover, as shown in
Figure 3-1.
