Although the D-50 is not truly multitimbral, you can split the Patches so that each Tone receives on it's own channel. The two channels are called MIDI CH (main channel) and SEP CH (separate channel ).
Use the following procedure to set the main channel and the spearate channel:
1. Press MIDI.
2. Press KEY MODE.
3. Use the Joystick to set the main channel.
4. Press TONE BALANCE.
3. Use the Joystick to set the separate channel.
4. Press EXIT.
Use the following procedure to set the main channel and the spearate channel:
1. Press MIDI.
2. Press KEY MODE.
3. Use the Joystick to set the main channel.
4. Press TONE BALANCE.
3. Use the Joystick to set the separate channel.
4. Press EXIT.