You have to think of the CC121 as a channel strip rather than a multi-channel mixer. That way, whichever channel you are addressing, all of the control is right there, dedicated to that channel. For me, that is perfect, and I find the CC121 very easy to use. A decent pro-quality device too.
Win 7 64 bit, Cubase 8.05, Wavelab 8 E, CC121, RME FF800, Omnisphere, EWSO, SupDr2, CH Horns, Pianoteq, 8dio