Ken Powell wrote:

Paul,
I think that the object here is to keep it simple.  I propose a system
that would work like the programming on a modern auto radio  -  use 2
'buttons'.  Use button 'A' to choose the function: add item, delete
item, clear all items, etc.  Use button 'B' to scroll thru a list of
items and to 'lock' the item by holding the button for apprx 2 second.
This would allow the user to list the parameters that he wanted in the
order that he wanted to see them.  Like Mike Wills said, this would
most likely be done on the ground, then never used again.

Thanks,
Ken Powell

OK now we are getting down to it. Button A should then be a selector switch
right? Or a simple push button with one push and each function name would appear 
on the screen in order. Another button excutes the order. Or... hold down button A
for two seconds? Next push on button A...  next function. Right? 

Button B one push next item in list. Hold down B for two seconds to select.

BTW how much is everybody willing to pay? $200, $300 or $400?
Things like reliable selector switches and LCD dot matrix displays 
are very expensive.
 
Paul Lamar
 
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