RD-88, RD-88 EX: How do I divide the keyboard and play different sounds in the left and right hands?

Perform the following procedure.

Changing the Keyboard’s Split Point

1. Select the Scene that you want to edit.
2. Long-press the [SPLIT] button for several seconds, and when the current setting value appears in the screen, press the key that you want to specify as the split point.
     - The split-point key is included in the LOWER section.
     - Also, you can change the split point, adjusting it in semitone increments, by holding down the [SPLIT] button and pressing the [DEC] [INC] buttons.
   
3. When the split point is set, release your finger from the [SPLIT] button.

Changing the Tone for a ZONE

1. In the Scene screen, use the cursor buttons to select the zone whose tone you want to change.
     - Press the [DUAL] or [SPLIT] button if “UP2“ and/or “LOW” does not appear.
   
2. Use the [DEC] [INC] buttons to select a tone.
     - You can use [SHIFT]+[<][>] buttons to select the tone bank.
     - When the cursor is located at the tone, you can press the [ENTER] button to access the tone list. You can also use the cursor [∧][v] buttons to select a tone.
3. To save the changes, press the [WRITE] button.
     - For details on how to save a scene, refer to "Saving a Scene (Write)" in the RD-88 Owner's Manual or RD-88EX Owner's Manual.

Roland RD-88 - How to create a Split