I have a Motorola DCX3400 connected via HDMI to a Sharp LCD television. I have programmed the tv into the pvr remote and it powers on and off with no problem. I have problems with volume control. The pvr remote will not adjust the TV volume. When I set the remote to adjust the pvr volume to the tv, the progress bar appears on the tv screen but the volume stays the same. I have been on the phone to Shaw and they just read me what is in the manual. I have tried what the manual suggests many times to no avail. I have had shaw pvr's from the onset of the pvr and have always been able to control volume through the cable box. Any fixes or suggestions would be greatly appreciated.