The RCA DTA8000 is a digital television converter box. The remote control allows control over several other devices such as a television. RCA lists the program codes in a separate paper from the program manual.
Find the three digit code of the product you want the remote to control in the program codes book.
Press "PGM" until the red light on the remote stays lit.
Enter the three digit code and press "OK." Then press the volume keys to check if the remote control works.