What Is A Scene - Universal Devices ISY-994i User Manual

7.6.3 What Is A Scene?

Figure 111: Device/Scene Chart
Scenes are closely related to groups. In ISY terminology, a scene is a named collection of
devices, and is displayed in the tree view of the Main tab. When a scene is created by the
user, it will initially be empty. The user may add and remove devices from a scene at any
time.
An ISY scene is a super-set of an INSTEON group. Like a group, a scene may contain
multiple responder devices, but unlike a group, a scene may also contain multiple
controller devices. To be useful, a scene must have at least one controller device, and at
least one responder device. The ISY/PLM is considered a controller of every scene
managed by ISY, so a scene may be useful even without additional controllers.
Because an INSTEON device maintains separate on-level and ramp-rate settings for each
group to which it responds, it follows that in a scene with more than one controller, the on-
level and ramp-rate settings of the responders may be set separately for each controller.
When a scene contains more than one controller, ISY automatically creates the required
cross-links so that each of the controllers' status indications, such as a SwitchLinc's level-
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