Getting ready to play, Preparing the music stand power supply – Casio WK7500E1A User Manual

CTK-6300IN, WK6500E1A, MA1007-A, WK6500E1B, CTK-7000, WK-7500, AT-5, AT-3, CTK-6250, CTK-6200, WK-6600, CTK-7200, WK-7600, CTK-7300IN