
Interface Design Page 29
A Toggle can change the state of an output or
Boolean variable, which makes it an
interactive version of the Indicator type.
Boolean Variable
Output
An Action Indicator combines a Button and
an Indicator into one easy-to-use item. The
image displayed by the item is updated based
on the state of a Boolean variable or sequence.
The action can also start a sequence or set the
value of a variable.
Start Sequence
Set Variable
Output
Input
Sequence State
Boolean Variable
Overlay Item Type
An overlay item allows a special type of Touch page to be displayed on any other page as an item.
The item itself has no special appearance or action, but allows the items on an overlay page to be
used instead. This makes it easy to reuse a common set of items across multiple pages. To add an
overlay item, drag “Overlay” from the new items list onto any Touch page and select which
overlay page to display from the drop-down list provided.
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