Old news, Dave...problem has been solved with Tyros4 Firmware Upgrade Version 1.02.

http://download.yamaha.com/search/detail...&1293016627

Now you can get the Tyros4...

Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.