User’s Manual
118
Appendix D: Verifying Digital Signature
The digital signature aims to authenticate a video file exported from the unit. Follow the
description to export video with digital signature and verify the digital signature.
To export recorded video with digital signature:
To export recorded video with digital signature to a USB hard drive or CD-RW drive
/ DVD+RW drive, follow these steps.
•
In <Video Export> menu, select copy device, data type, expected channel and
start/end time, or event video clips.
•
Set the <Digital Signature> function to <YES>.
•
Start exporting process by setting <Begin Export> to <YES>.
Video Export
1. Select Device
2. Select Ch:
3. Start Time
4. End Time
5. Select Events
6. Data Type
7. Digital Signature
8. Erase Disc
9. Begin Export
CH1 CH2 CH3 CH4
2005/03/19 AM 07:50:05
2005/03/28 PM 03:09:18
Normal
NO
NO
NO
Each recorded video will be exported into four files with different filenames,
including *.gpg, *.avi, *.sig and readme.txt.