Monitoring and Activation can use one or more sources and triggers.
The aspects of Monitoring and Activation (sensory, chronological, etc.), Item Operation Forms (electronic, mechanical, etc.), Item Operation Interactions (access, bypass, etc.), and Targeting are used to set up powers and technological manifestations of Item Types. They are also key to Device Use skills.
Activate + Clock
Delay + Set (other) Trigger
Sensory
= link
Audial
Movement in area/speed/proximity
-by spectrum