This is firmware update 1.5 and is the latest official released operation system by Kawai. This operation system update/upgrade requires one eprom chip

How to check firmware version:

hold the SYSTEM button then power on the K1m

Features/improvements:

Version 1.5 upgrade is intended to iron out any remaining bugs affecting general stability and improve performance within the firmware code.

Note:

• Fully verified before shipping and professionally packaged in anti-static material.
• Only compatible with the K1m, not K1r or the K1. Send me a message if you need help with finding upgrades for them.