IMPROVEMENT TO INSTRUMENTATION

摘要

A method of displaying information on an instrument for viewing by a user characterised by the steps of a) displaying information on a first focal plane, and b) moving the information displayed on the first focal plane to a different focal plane when an alarm or critical situation arises, and c) then moving the information back to the first focal plane, and d) repeating steps b) and c) in order that the viewer of the instrument becomes aware of the displayed information.