D-50: Using Portamento
Use the following procedure to set values for portamento in the D-50:
1. Press PATCH EDIT.
2. Press SPLIT POINT [Control].
3. Press TONE BALANCE and use the Joystick or the INCREMENT/DECREMENT buttons to set the desired portamento value (higher values make the time longer).
5. Press L-TONE EDIT and use the Joystick or the INCREMENT/DECREMENT buttons to select which tone(s) will use portamento (U=Upper, L=Lower, UL=Both).
6. Press PORTAMENTO so it is lit to activate the effect.