Which function(s) does the XCM card support in the DMX-3 and DMX-4? seenagape 12 years ago Which function(s) does the XCM card support in the DMX-3 and DMX-4? A.CCM and ECM B.CCM for XCM0, and ECM for XCM1 C.CCM only, ECM not used D.ECM only, CCM not used ← Previous question Next question →