PS-DET-014 · r6
DETECTION
OBSERVED
ENGAGED
CUE COMPETITION
Each was made impossible to miss, and they arrived together.
01 DEFINITION
Condition in which several signals settled separately, each against a background that was quiet at the time, arrive together, so the contrast each of them depends on to be noticed is the contrast the others are also spending.
02 CONDITIONS
UNCERTAINTY
MISSING
Nothing states which cue is the one to attend to first, because each was settled alone.
TIME PRESSURE
SHORT
They arrive together and the window in which any of them is useful is brief.
ERROR ASYMMETRY
ASYMMETRIC
Attending to the wrong one first and attending to none are not comparable failures.
OPERATOR STATE
DEDICATED
The person is at the surface and receives all of it at once.
03 WHERE IT APPEARS
MEDICALSeveral devices each alarm in a way designed to be unmissable, and in the moments that matter they alarm together.
ENERGYAnnunciations settled individually against a quiet board arrive as a block during an upset.
MOBILITYWarnings each tuned to command attention command it simultaneously in the situations they were made for.
MANUFACTURINGStation calls designed to interrupt arrive from several stations at once.
TELECOMIndependently urgent notifications converge during the incident each was designed for.
PUBLIC SERVICESeparate services each escalate to the same person in the circumstances that trigger all of them.
04 WHAT AEON WORKED THROUGH HERE
Each signal had been made unmissable on its own, and the situations that mattered were exactly the ones in which several came at once. Everything shouted and the operator heard a wall. The work went into what happens between cues rather than to each of them — which give way, which wait, and which are entitled to arrive alone.
The question it keeps returning to is what a surface can do about the case it was not settled against — each cue was judged against a quiet background, and the moments that matter are the ones in which none of them has that background.