The MIDI jacks on Edirol PCR-M controllers, by default, act as a USB MIDI interface for your computer. If you wish to simply play an external sound module or other MIDI device, you must switch MIDI interface mode off:
1) Press [EDIT]. The display will read "Edt".
2) Press the keyboard key with [SYSTEM] printed above it. The display will blink "Sy0".
3) Press the keyboard key with "9" printed above it. The display will blink "Sy9".
4) Press [ENTER]. The display will blink "on".
5) Press [DEC] to turn MIDI interface mode off.
6) Press [ENTER].
1) Press [EDIT]. The display will read "Edt".
2) Press the keyboard key with [SYSTEM] printed above it. The display will blink "Sy0".
3) Press the keyboard key with "9" printed above it. The display will blink "Sy9".
4) Press [ENTER]. The display will blink "on".
5) Press [DEC] to turn MIDI interface mode off.
6) Press [ENTER].