全新goldstar gmk49键盘500元有元装变压器
按钮有：1 data entry 2 note/function button 3 octave 4 pitch bend 5 modulation
velocity: use to change the table what aasign the note velocity value according ot he strenghth of 10-kinds your play keyboard .
functions tha t can assign control change message by the data entry are as follows
1 reverb level control 2 pan control 3 chorus level control 4after tounch 5portamento time 8
control
expression control user entry entry program control change control
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