Disable access to the "Client Console" with CTRL+Shift+F7

With our Vision clients, we want to be able to control which users have access to the Client Console.
Our customer doesn’t want his operators to have a look at this console. It should be limited to maintenance personnel and administrators. We tried use the key-stroke event handler on the client event scripts, but it couldn’t (or we couldn’t ; :wink:) prevent the console from popping up…

Any ideas anyone?