Hi again.
Thank you for replies, meanwhile, sorry for my English if difficult to understand.
Alex,
Is your understanding different than mine or Old Smokey?
What I briefly understand, you say: The geographical position of the DME station is not necessarily to be at or near threshold. In the case where DME station is far away from threshold, if it is desired that the airplane to under read the DME as "zero" when it is approaching to threshold, 50 microsecond fixed time delay is reduced by 10 microsecond.
Doesn't the latter mean that the exact position of the DME station and the position where the FMC think the station is, may be different?
Old Smokey,
I have come across with term "electronically displaced" during my Innsbruck operation. Maybe it is no so appropriate but it meant exactly what Alex has explained. So what would be your comments about my above question? Wouldn't it induce a wrong position updating? As respecting your vast experience, a final question: For what I can basically use the DME inhibit function in the FMC.
Thanks in advance.