Yamaha CP50 Owner's Manual - Page 48

Using the Stage Piano with a Computer Activating & Deactivating Local Control Normally, when playing your CP5 or CP50 in order to record its MIDI messages on a computer, those messages are sent directly to the computer, and from there, they are returned to the instrument in order to play the built-in tone generator. If local control of the stage piano is activated at this time (by setting the LocalSw parameter on Page 5 of the Utility screen to "on"), the data produced by playing the keyboard will also be sent directly to the tone generator, and as a result, the direct and returned messages will overlap, causing each note to be played twice in quick succession. Most applications allow MIDI Thru to be turned on or off, and therefore, you can setup your system in either of the following ways to play and record in comfort without each note being heard twice. With application's MIDI Thru function activated: In this case, local control of your CP5 or CP50 should be deactivated. CP5/CP50 USB TO HOST port IN OUT Tone generator Keyboard Local control = Off LocalSw parameter (Local Switch) on Page 5 of the Utility screen set to "off" Application running on computer OUT IN MIDI Thru = On With application's MIDI Thru function deactivated: In this case, local control of your CP5 or CP50 should be activated. CP5/CP50 USB TO HOST port OUT Application running on computer Tone generator IN Keyboard Local control = On LocalSw parameter (Local Switch) on Page 5 of the Utility screen set to "on" MIDI Thru = Off *: MIDI Thru is a function that relays MIDI messages received at a MIDI IN connector directly to a MIDI OUT connector. With certain applications, this function is also known as MIDI Echo. NOTE For more details on MIDI Thru, see the User's Manual that came with your computer application. Quick Start Guide 48 CP5/CP50 Owner's Manual