RG-3F: Layering Sounds on the RG-3F
Use the following procedure to layer two Tones on the RG-3F:
1. Press any two Tone buttons simultaneously so they are both lit. These two tones will both sound at the same time when you play a note.
2. Hold down one of the selected Tone buttons and use the + / - buttons to select alternate sounds from within the selected group.