DR-660: Using the FWD and BWD buttons.
The FWD and BWD buttons can be used in real time to advance to the next "fill to" pattern. Use the following steps to audition this feature.
1. Press SONG to select Pattern Mode.
2. Select Pattern P00 8Beat 1 using the Data Wheel or the 10-Key.
3. Press START.
4. Press FWD for the Fill-to-Variation.
5. Press BWD for the Fill-to-Original.
6. Press START while the pattern is running to alternate between the Original and Variation Pattern.