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9.3 Using the Digital Signature Verifier
1) Open the Digital Signature verification program by selecting START>PROGRAMS> DVR>DIGITAL
VERIFIER>DIGITAL SIGNATURE VERIFIER.
2) Select the BROWSE button to load the JPG or AVI image.
3) Enter the SITE CODE of the DVR unit that the imag e was originally extracted from.
4) Press the VERIFY button.
If the image has not been tampered with, the program will display a message that says “Original image file.”
If the image has been tampered with, then a red square will be drawn around the image and a message will appear
saying “Entire image changed or wrong SITE CODE.”