Blip, you make a very valid point, which I completely accept.
I would suggest that if the check-list relates to routine or Emergency situations, certainly if it involves memory or familiar items, then there should be no reason not to follow the simple Challenge / Response method and I would stick to my stated view.
However, I agree that if the "check-list" is actually being read as a Procedure - perhaps for trouble-shooting or diagnostic purposes - and is therefore unfamiliar, the required setting/config might need to be stated by the reader, then confirmed by the respondent.
I really hadn't thought about this aspect before - but, thinking back over the years, this distinction and the slightly different technique according to the circumstance always seems to have happened quite naturally ...
JD
