The G70 has erratic MIDI clock outs and ins.

You can check this issue out further at the Roland Arranger forum, or perhaps Fran or Diki can elaborate.

As far as I know, the latest OS upgrade, version 3.01 has not addressed it.

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