Project for
you then Dale
Bring up the program settings box and leave it there. Try unchecking/checking some of the boxes and see if it makes the up/down arrows affect anything they shouldn't.
It's a bit random so you'll have to play about. Keep fiddling for a minute or two. Same boxes, different boxes.
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Yep. Got it in one (example).
Start MA3
Press CTRL-R
Bring up Program Settings (spacebar, click)
Press up or down arrow, note that it toggles "Cancel" and "OK" buttons [That's one little effect - big effect follows]
Check the top box - Exit on Mouse Move.
Press the down arrow - TWICE and then hold it. Note what happens.
Press the up arrow.
Etc.
General description: when you check a box, that "line" gets focus. Then pressing the down-arrow moves down a line - until you reach a line with a slider. Then moves over to the slider, and the arrow keys affect the slider position. [Up arrow for right, and down arrow for left). UNchecking a box does the same thing, of course.
Added footnote: Same problem with the left/right arrow keys, too. We just never noticed it before????