1. Select image format:
  Video System : NTSC PAL
  Resolution: 720*480/720*576    (Recommand to use 7000KBPS)
                      704*480/704*576    (Recommand to use 7000KBPS)
                      640*480    (Recommand to use 6000KBPS)
                      640*240    (Recommand to use 4000KBPS)
                      320*240/352*288    (Recommand to use 3000KBPS)

    Note: KBPS: Kilo Bit Per Second

    MPEG4 : 12000KBPS 10000KBPS 8000KBPS 6000KBPS
                     4000KBPS   3000KBPS    2000KBPS  1000KBPS

    MPEG1: 1152KBPS    512KBPS

    Record by : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 frame(s)/channel in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Channel(s).

2. Select the Number of of Hours per Day to Record:
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 hour(s)

3. Select what you want to calculate:

A. How long can you record with a selected storage option
     Select a Hard Disk Size: Select HDD 40 Gigabytes 60 Giigabytes 80 Gigabytes 120 Gigabytes 160 Gigabytes 200 Gigabytes 250 Gigabytes 300 Gigabytes 350 Gigabytes 400 Gigabytes 500 Gigabytes with HDD(s)
    
     Delivers an Estimated Days

B. Amount of storage required to record
     Enter number of days to record:
    
     Required Hard Drive Size: GigaBytes