This is firmware update 1.4 and is the latest official released operation system by Kawai. This operation system update/upgrade requires one eprom chip.
You can check your current version Simply hold the [SYSTEM] button and then power on the K1r
Version 1.4 upgrade is intended to iron out any remaining bugs affecting general stability and improve performance within the firmware code.
- Fully verified before shipping and professionally packaged in anti-static material.
- This OS update is not compatible with the Kawai K1 and K1M