Assigning a midi channel to each part – Casio WK6500E1A User Manual

MA1007-A, CTK-6300IN, CTK-6250, CTK-6200, WK-6600, WK6500E1B, CTK-7000, WK-7500, AT-5, AT-3, WK7500E1A, CTK-7200, WK-7600, CTK-7300IN