Operation
4.2 Keyboard
Operating with the Local User Interface
Operating Manual, 06/2017, A5E31930478-05
59
Individual operator inputs include, for example, changing an individual parameter value in an
editing window. Input sequences are actions that consist of related inputs. Individual steps of
these input sequences may be executed by the device hidden from the user. Examples:
● Wizards combine consecutive operator inputs into one action while keeping the user
informed about its components at any time.
● Some inputs cause automatic changes of additional parameters in a parameter structure.
The input sequence is hidden from the user.
When you trigger the UNDO function, the complete action (individual input or input
sequence) is undone. The settings are reset to the values of the original parameter
assignment.
Undo actions with the <UNDO> key
Procedure
1. Starting the action to be restored: Press the <UNDO> key once. The display shows the
window in which the action has taken place.
– For individual inputs:
The corresponding parameter field is selected and an editing window is highlighted in
which the original parameter value is displayed.
– For input sequences:
The button for triggering a wizard is displayed.
If it is not possible to undo the action, the device shows a corresponding message on the
display.
If the action can be undone:
– For individual inputs, the parameter field is highlighted and an editing window with the
original parameter value is displayed.
– For wizards, the box that triggered the action is highlighted. A corresponding
description is also visible on the display.
2. Undo change or cancel undo action:
– Cancel: Press <ESC>. The current values are retained.
– Undo: Press <UNDO> again. The original values are restored.
If the original values cannot be restored, the current settings are retained.
3. Undoing actions further back in time: Repeat steps 1 and 2. You can undo a maximum of
ten operator inputs.
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