HI since upgrading to OSX 10.2 I cannot get my Midi keyboard to control Reason synths I have updated my Midisport 2x2 MIDI interface have made sure the channel use by my keyboard is the same I have set in the preferences for reason, the MIDI icon is selected in the sequencer window, in the MIDI audio panel in OS X it says my device is working .. but there is not a sound when I hit the keyboard . PLease help.