User’s
Manual
40
Appendix B: Record Duration
The record duration relates to recording rate, image quality and HDD capacity. Refer to the
following table.
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.
Number of Days of Recording 720 x 480 @ 25PPS (without Audio)--PAL
Recording
Rate
Recording
Mode
Recording
Rate
Recording
Mode
512K
bpsDSL
256K
bpsDSL
128K
bpsDSL
Extended
Record
Standard
Best
Quality
Number of
Cameras
Total Images
Per Second
PAL
PAL
(4 KB)
(Max to 4
PPS)
PAL
(3 KB)
(Max to 4
PPS)
PAL
(2 KB)
(Max to 4
PPS)
Total Images
Per Second
PAL
PAL
(6 KB)
PAL
(18 KB)
PAL
(30 KB)
160 GB Internal Storage
16
25 18.5
24.6 37 25
12.3
4.1
2.5
8
25 18.5
24.6 37 12.5
24.6
8.2
4.9
4
16 28.9 38.6 57.9 6.25
49.2
16.4
9.8
300 GB Internal Storage
16
25
34.7
46.1
69.4
25
23.1
7.7
4.6
8
25
34.7
46.1
69.4
12.5
46.1
15.4
9.2
4
16 54.3
72.3
108.5
6.25
92.3
30.8
18.5
600 GB Internal Storage
16
25
69.4
92.3
138.8
25
46.1
15.4
9.2
8
25
69.4
92.3
138.8
12.5
92.3
30.8
18.5
4
16 108.5
144.7
217 6.25
184.5
61.5
36.9
Number of Days of Recording 720 x 480 @ 30PPS (without Audio)--NTSC
Recording
Rate
Recording
Mode
Recording
Rate
Recording
Mode
512K
bpsDSL
256K
bpsDSL
128K
bpsDSL
Extended
Record
Standard
Best
Quality
Number of
Cameras
Total Images
Per Second
NTSC
NTSC
(4 KB)
(Max to 4
PPS)
NTSC
(3 KB)
(Max to 4
PPS)
NTSC
(2 KB)
(Max to 4
PPS)
Total Images
Per Second
NTSC
NTSC
(6 KB)
NTSC
(18 KB)
NTSC
(30 KB)
160 GB Internal Storage
16
30 15.4 20.6 30.9 30 10
3.3 2
8
30 15.4 20.6 30.9 15 20
6.7 4
4
16 28.9 38.6 57.9 7.5 40 10 8
