Am I overlooking something? As far as I can tell, Encore has no command for setting face value without simultaneously changing the note's duration. I often need to do this with polyphonic instruments like guitar. (I'll provide an example when I get a chance.)
Here are some background concepts. A note's face value and it's sounding duration may differ in an Encore score. The duration of a note my exceed the face value of a note, or it may be less than the face value of a note. This makes sense, and corresponds to the various concepts of musical interpretation.
In the Duration dialog, we can change the duration of a note without affecting its face value. We can also make the duration match a percent (including 100%) of face value.
I often use the numeric keypad (1,2,3,4,5,6) to change the face value of a selection, but this also changes the duration!
I do not see a command for setting face value without changing durations. Seems like this functionality should exist.