D-Link DNR-312L User Manual - Page 78
Verification Tool
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Section 5 - Applications Verification Tool Run the Verification Tool application that is included on the CD to ensure the files from your NVR are genuine . It's the process by which a digital watermark (a digital signature) is added to each recorded video frame to prove its authenticity. A missing watermark could indicate that the data created by the system has been tampered with. There are two types of files that can be verified by the Verification Tool: 1. Video files (.avi, .asf ) 2. Image files (.bmp, .jpg) The icons at the top of the screen correspond to the following actions: Add File: Add a single file to the list for verification. Add Folder: Choose a folder with multiple files to list for verification. Remove File: Remove indicated file(s) from list. Select All: Select all files in the list for verification. Note: Choose the file type first before selecting files. D-Link DNR-312L User Manual 74