Exactly as described, the full user-manual (145 pages). Perfect.
Text excerpt from page 14 (click to view)
Password protection feature VN-C2U is equipped with an access protection feature using a password to regulate connecting PCs (users). This password can be set or canceled using the V.NETWORKS setup tool.
Note Never forget the password since the password setting can only be changed and canceled when the current password matches. The following screen will appear when clicking the Password button of the V.NETWORKS setup tool.
Enter the current password. When setting the password protection for the first time, leave this space blank. Entered characters will be displayed as '*'.
Enter the same password when setting the password protection or when changing the password. To cancel the password protection, leave the spaces blank. Entered characters will be displayed as '*'.
Setting will be updated when clicking Yes.
The following Password Request screen will appear for VN-C2U set with password protection. VN-C2U setup cannot be made unless the password matches.