on youtube the Yamaha DGX-670 color screen is often clearly shown, and sometimes shown larger.
No mystery. Their camera is simply focused there.
Myself, I saw my camera draped over my monitor normally used for ZOOM, noticed how already long its USB cord was.
SO, I simply draped that same camera over my vocal mike normally used with the DGX-670 and (of course) my computer monitor is now showing the color screen.
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