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User's Manual
Appendix A: Record Duration
The record duration relates to recording rate, image quality, HDD capacity, and event
settings. The following tables give sample calculation of record duration according to
different recording rate, image quality, and HDD capacity, excluding consideration of events,
for different models with different recording mode. The recording quality refers to the
Normal Qlty setting of <Per Camera Config> in <Record Setting>, assuming all channel
are set to the same quality at all times.
Cameral Select
Normal PPS
Normal Qlty
Event Max PPS
Event Qlty
Event Act
NOTE: Record duration times are based on actual tests and represent average file
sizes. Performance may vary depending on specific installations and use. Audio
recording requires 8 KB per second (or 0.7 GB per day) for data storage.
Record Duration (Days): Full-D1, Global [Day, Night, Weekend] (without Audio)
Recording Rate
Total PPS of all
Channels
NTSC
NTSC
PAL
(8 KB) (8 KB) (12 KB) (12 KB) (16 KB) (16 KB) (20 KB) (20 KB) (24 KB) (24 KB)
160 GB Internal Storage
30
25
10.52
15
12.5
21.04
7.5
6.25
42.09
320 GB Internal Storage
30
25
21.56
15
12.5
43.12
7.5
6.25
86.25 103.49 39.24
83
Per Camera Config
Low
Fair
PAL
NTSC
PAL
12.63
4.79
5.74
25.25
9.57
11.49
50.50
19.15
22.98
25.87
9.81
11.77
51.75
19.62
23.55
47.09
Day
Night
7.5
7.5
Mid
Mid
30
30
Best
Best
Both
Both
Recording Quality Mode
Mid
NTSC
PAL
276
3.31
5.52
6.62
11.03
13.24
5.65
6.78
11.31
13.57
22.61
27.14
CH1
Weekend
7.5
Mid
30
Best
Both
High
NTSC
PAL
NTSC
1.81
2.17
1.29
3.62
4.34
2.58
7.24
8.69
5.16
3.71
4.45
2.64
7.42
8.90
5.28
14.83
17.80
10.57
Best
PAL
1.55
3.09
6.19
3.17
6.34
12.68
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