PanelView Plus & FactoryTalk View ME Introduction - Implementing 21 CFR Part 11 (Video 1)

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What use do the security codes A-P provide? Security code B was unchecked for the Operators group but I can't see why. When setting permissions on the momentary button an expression to check the name of the users group is used to define their access level. Wouldn't it make more sense to assign the button to a security code and provide permissions based one what security codes the group has enabled?

braxtonmckean