I created a config file with
59 :key :grabbed,ungrab :aterm
then loaded up actkbd but nogo on getting aterm to launch on pressing F1
Regarding your configuration, that should work. I'd do this, which launches on release instead of press:
59:key:noexec:
59:rep:noexec:
59:rel:exec:aterm
More likely, do you have your /dev/input/eventX items set correctly? I didn't have a way of finding that, so ... I used an actkbd.conf that would respond to any key press (quick correction made - use "not"):
:key:not,exec:echo "press!"
And then ran actkbd individually per /dev/input/event entry:
actkbd -c /my path to/actkbd.conf -d /dev/input/event1
Or something like that. Be careful, of course, or actkbd may grab your keyboard and not give it back...