The easiest way is to consult the manual in French address
http://www2.yamaha.co.jp/manual/pdf/emi/french/cla/CVP35F.pdf

UTILIZATION

Trs touch is soft and enjoyable.
Use gnrale is simple,
The selection of midi channels would, however, could be more comfortable (but nothing dramatic, either!)
See the manual on http://www2.yamaha.co.jp/manual/pdf/emi/french/cla/CVP35F.pdf

SOUNDS

Sounds are trsralistes

My sound prfres:

Piano
Voice
Percussion (excellent!)

OVERALL OPINION

I have since 1986, I am always happy trs