V6.31
    - Support digital zoom function

V6.30
    - SV/SV+/SV1000 supports triple codeces (MJPEG, MPEG-4 and H.264)
    - Support 1024*768 and above high resolution
    - Support 16:9 wide screen display without picture distortion

V5.20
    - Support motherboard with Intel new generation chipsets
    - Support Nvidia 7XXX Series & 8XXX Series VGA Card
    - Support Core 2 Duo and Multiple Core CPU
    - Support reboot DVR firmware from remote Web Viewer (IE)
    - Support upgrade DVR firmware from remote Web Viewer (IE)
    - Support “Automatically and Manually” update DDNS
    - Support “ Enable/Disable” Popup Message of Video Loss”
    - User Permission for DVR “Export/Backup” Video or Log File
    - Support 20 second pre-recording

V5.02
    - SV2000 support two TV monitor displays via pigtail cable with BNC connectors
    - SV2000 supports 704*480(NTSC)/704*576(PAL) recording resolution
    - Enhance SV2000 playback video quality
    - Camera mask detection
    - User can self-defines disk recycle duration
    - Multiple levels of user authority
    - Monitor password protection
    - Provide printing function in playback snapshot and log search
    - Support USB COM device
    - Redesign the function and GUI of Web Viewer
    - SV2000, HV3000 and HV5000 support multiplexer
    - Support Maitre’D POS system
    - Explicitly describe export behavior in log
    - Redesign recording time table
    - Support Elbex PTZ camera
    - Support Panasonic CS950 PTZ with OSD control function
    - SV1000 supports the options of Deinterlace in monitor mode

V5.00
    - DVR integrate with POS system
    - PTZ remote control
    - User can decide the length of download file from Web Viewer remote playback

V4.20
    - DVR 16 channel playback simultaneously
    - Revise recording data indicator in Timemap
    - Revise the format of Timemap in playback mode including DVR and remote Web
    - Viewer (IE)
    - Provide the audio OSD icon in playback mode
    - Redesign remote Web Viewer (IE) UI