HP-535: Using the Split Keyboard Feature
Use the following procedure to use the Keyboard Split feature:
1. Select a [SOUND/TONE].
2. Press the [SPLIT] button. The Sound/Tone on the right hand can be changed, while the left hand Sound/Tone is the Acoustic Bass.
3. To cancel the Keyboard Split feature, press the [SPLIT] button again.
Refer to the Owner's Manual - p. 18 for Split function information.