HCI.TOP
Y1.05

Representing normal operation

Cards in this group · 4

  1. Y1.05.1Normal should be reported by an active signal, not inferred from a screen's silence
  2. Y1.05.2A display that hasn't moved in a while looks the same whether the process is stable or the feed is dead
  3. Y1.05.3A long run of all-normal readings trains operators to expect normal and miss the exception that isn't
  4. Y1.05.4A normal-status display only proves the system is alive if it also states when it last updated