A. Select Desirable Options
1. Choose model
NAVS 16-480
NAVS 9-270
NAVS 4-120
NAVS 16-120
NAVS 9-120
NAVS 4-30
NAVS 16-30
NAVS 9-30
2. NTSC
/PAL
3. CODEC MPEG4+
/ JPEG
4. Select resolution
720x480
720x240
360x240
High
/ Medium
/Low
5. Check channel(s) to record
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
6. Check frame(s) per second(FPS) to record
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
7. Select the average recording time(s) per day
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
B. Calculate Recordable Day(s)
Select installed HDD size
xzzi
40G
80G
120G
160G
200G
240G
320G
360G
480G
Click Calculate button
Day(s)
C. Calculate HDD Size for Recording
Check day(s) to record
Day(s)
Click Calculate button
GB
These figures are based on 'Continuous Recording' mode. Recording time can be extended under other recording modes.