Please disregard the questions in the previous posting. Figured out how to turn off inputs on 502, 518, and 568.2 so now I can use one remote to interact with only the desired unit. Problem solved!

Thanks anyhow for the (undoubtedly) insightful information grin

PS Audio PowerPlant 300|Dual 1229|McIntosh CS8 x2|Phase Linear 1000| McChanson dual mono preamp (EZ81/6SN7/6V6)|Meridian 861v4LPS, 518, 502, 598, M60, HD461|PS5|Airport Express gen2|2014 Mac mini|2x Tag McLaren 125m > DCM TimeFrame 400 & custom Diatone P450 boxes (fronts)|Axiom (NZ) > dbx SW15 (sub)|B&K AVR202 > KLH T312D & Paradigm ADP150 (rears)