Multi 5: key zone, 1: key (key zone t01-08), 2: key (key zone t09-16) – KORG MICROX X50 User Manual
Page 74: 3: slp (key slope t01-08), 4: slp (key slope t09-16), 5: review, 5–1: key (key zone t01–08), 5–2: key (key zone t09–16), 5–3: slp (key slope t01–08), 5–4: slp (key slope t09–16)