Nexus Manual 022012 | 79
4.5 DIGITAL VERIFIER
JPG images and AVI video files that are exported from the Digital Video Recorder are automatically embedded with a digital signature. Digital
Signatures are a way to verify the authenticity of the images to ensure that they have not been tampered with or edited in any way. Included on
the Software Installation DVD supplied with the NVR is the Digital Signature Verification program. This program can be installed on any
computer.
4.5.1 INSTALLING DIGITAL VERIFIER
1.
Insert the Software Installation CD into the CD-ROM. (Do not install on the NVR.)
2.
Select the Digital Verifier option to begin installation.
3.
When the Welcome screen appears, click Next.
4.
When the Setup Complete window appears, click Finish. Installation is complete.
4.5.2 USING THE DIGITAL VERIFIER
1.
Open the Digital Verification program, by selecting Start > Programs >
Digital Watchdog > Digital Verifier > Digital Signature Verifier.
2.
Click the Browse button to load the JPG image.
3.
Enter the Site Code of the NVR that the image was originally extracted
from. The Site Code is specified in the Information tab.
4.
Click the Verify button to continue or Close button to close the window
without verifying.