mrd

Anyone have an opinion on supplying power to the RD700SX using a UPS that produces the proper voltage and proper frequency but its waveform is not sinusoidal. I've contacted Roland on this subject but they will not commi...

I have just acquired the RD700SX and would like to know if there is a better manual available for this instrument. I have read the manual that came with the keyboard but feel that it does not cover the various features i...