Nope, I still have no idea what you mean by the term "jarblesche".

Have you sequenced the track to the JV-1000's sequencer, and are trying to the record it into cakewalk?
If so you will need the make sure the JV is sendind MIDI clock, and that Calkwalk is set to external sync.

If the track was created on Calkwalk, you may need to switch off MTC, and send MIDI clock, as perhaps the JV's sequencer is trying to play along.. Only guessing here as I'm still unsure what the actual problem is.

I'm also woundering if you've got some sort of MIDI loop happening. Is the JV the onlt MIDI geart you have attached, or have you something else connected?
Have you turned the JV's local control function to off? (it disables the keyboard, but it is still sent via MIDI out, providing Calkwalk's thru function is on, your JV should still sound when you strike a key)

What's your location, perhaps someone might be able to help you out in person...




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