Lauda V1R20 Operation Manual page 26

Using the key lock function
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1. Open the Home window.
2. Touch the Settings tile.
The Settings menu opens.
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3. Scroll down in the menu.
You can see the [KEY LOCK] menu point and a slide switch with

the [On] and [Off] positions.
4. Slide the slide switch into the [On] position.
The key lock is immediately enabled; you can recognize this on the
Home window by the following features:
The [User] tile is grayed out.

The [User] tile displays the KEY LOCK designation in place of the

previous profile name.
Locked functions (e.g. T_set or menu points) are grayed out.

You can call up menus but you cannot change any values or
operating statuses.
If the key lock also includes locking the function for switching

between operating modes (Standby / Operation), the [Stop] or
[Play] button indicate a lock symbol.
5. If you wish to enable this function again, push this slide switch to the
[Off] position. If this is not possible, only the Administrator is able to
terminate the key lock function.
The key lock function is deactivated; you can recognize this on the
Home window by the following features:
The [User] tile is displayed normally.

The [User] tile displays the DEFAULT USER profile names.

6. Log in with your user profile and operate the constant temperature
equipment as usual.
Command Touch operating unit V1