U.S. Seller

Eprom with latest firmware version 1.04 for
 YAMAHA AN1X
Features/Improvements:

Fixed – Incorrect 'low voltage' warning

Fixed - Audio response when modulating the depth,
i.e., return, of delay effects."

Fixed – clickiness from tempo synced delay

…and more…..

To check your current version: 

power up while holding the + - and 0 buttons. 

Hold them down until you get past the welcome message, 

and your current version will be displayed