I TRIED THE 1254 CODE ON MY RCA RT2760 AND AUX FLASHED 2 TIMES WHEN I HELD SETUP BUT WHEN I PUNCHED IN CODE IT CHANGED TO ANOTHER CHANNEL.I AM GOING CRAZY.PLEASE SOMEONE HELP ME WITH GETTING MY COMCAST TO WORK ON MY RCA UNIT FOR VOLUME CONTROL.I AM NOT WORRIED ABOUT ANY OTHER THINGS AS LONG AS I CAN CONTROL MY VOLUME.THANKS