Where can I find Set Top Box Remote Control Instructions?

AT8550 Remote Control User’s Guide:

http://americablejapan.net/helpdesk/files/9000.pdf

AT8560 Remote Control User’s Guide:

http://americablejapan.net/helpdesk/files/9000.pdf

UR5L-9000L Remote Control User’s Guide:

http://americablejapan.net/helpdesk/files/9000.pdf