I have an older onkyo audio receiver (TX-SR303). Will it be possible for it to be paired to the XR11 Contour remote, and if so, will I be able to still control tv volume independent of receiver volume as I don’t always use the audio receiver?

I have an older Onkyo receiver (TX-SR303).  Will it be possible for it to be paired to the XR11 Contour remote, and if so, will I be able still control tv volume independent of receiver volume as I don’t always the audio receivers?