Kawai CN470 Owner's Manual page 28

RECORDING WITH THE ACR-20
Connecting the two instruments for recording is the same as previously
explained. Connect the MIDI OUT of the CN piano and the MIDI IN of the
ACR-20 with a MIDI cable.
Also connect the LINE IN jacks of the CN
piano and the LINE OUT jacks of the ACR-20 with a pair of audio cables.
You will use the CN piano as controller and the ACR-20 as recorder. You
may turn local control and program change off.
Operation,
the track selected to record on the ACR-20.
iN)
28
KAWAI DIGITAL PIANO CN470