Roland PC-70 用户手册

Using the 

 buttons (UP, DOWN), the soundable range of the keyboard can be 

shifted up or down by one octave, making it possible to access all of the notes from 

 to 

.

Press UP in the 

 once; the keyboard will now offer notes within a range an 

octave higher.

fig.Octave1

Press DOWN in the 

 once; the keyboard will now offer notes within a range an 

octave lower.

fig.Octave2

Press UP and DOWN simultaneously.

fig.Octave3