Please help! Apparently it is a known issue that Acrobat XI, buttons do not activate using the Enter key. But I cannot get the specified workaround to work -- hit spacebar -- to work either, making my "reset button" inaccessible. The buttons work great when Manually clicked or if the Action is set to "On Focus" or "On Blur" but that doesn't help.
I'm finding this is true with Acrobat Reader X as well, at least when I tested it. Reader 9 won't install on my Windows machine (I have a more functional product already-- not).
I'm running Acrobat XI on a 64-bit Windows 7 machine.
As a test, what happens if you create a simple PDF and add just a single button, and add a script to the Mouse Up event like:
I suspect there's some sort of problem with the document...