Here are the instructions for the 15-2116....

1) Hold SETUP (green P), till screen reads "CODE SET"
2) Scroll down to "KEYMOVER",
3) Press SELECT, screen reads "FROM MODE"
4) Press the device button the code is coming from, screen
reads "FROM KEY"
5) Press SETUP, screen reads "SYNT"
6) Type the 3 digit advanced code
7) Press SELECT, screen reads "TO MODE"
8) Press the device button the code is going to, screen reads "TO KEY"
9) Press the button you are trying to program, screen reads "SUCCESS"

Rob
http://www.hifi-remote.com