Hi Mr G

The update scared me too, but it is easy. The pen drive comes with 4.2b.

http://www.ketron.it/index.php?option=co...43&lang=ita

http://www.ketron.it/
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pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact