42/24-10 EN Rev. 9 Chapter 6: Gas Analyzer Operation 6-15
Access Lock
Access Lock Independent of the user interface priority adjustment (see page 6-14) it is possible
to completely lock the access to the operation of the gas analyzer from a certain
user interface (HMI).
This lock is effected by configuration of the function block Access Lock. For a
detailed function block description, see the “AO2000 Function Blocks – Descrip-
tions and Configuration” technical bulletin (Publication No. 30/24-200 EN).
Access Denied When a user tries to operate the gas analyzer via a locked HMI, the following text
is displayed after pressing the MENU key:
Access denied!
The gas analyzer operation
is locked!
Cancel: <BACK>
Access Lock via
Password Protection
As an alternative to the above-described complete access lock it is possible to
inhibit entering the main menu and thus switching to the menu mode via password
protection (see the “Inhibit Operation” section, page 7-C-4).
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