Yamaha CNR-35 3 CNR-55 Owner's Manual page 12

Automatic Accompaniment
Chords Recognized in the Single Finger (e.g. Key of C)
Major, minor and 7th chords can all be played in this way.
C
Cm
C
7
10
ACCOMP.
/RHYTHM
VOL.
Major chords:
Press the root of the chord (the note that corresponds to the
chord's name).
Minor chords:
Simultaneously press the root and any one black key to the left
of it.
7th chords:
Simultaneously press the root and any one white key to the left
of it.
• Minor and 7th chords with black key roots (such as Bb
• With Single Finger, the chord produced will sound in the
Automatic Accompaniment Off
POWER
Turning the POWER switch on while holding either of the
ACCOMP./ VOL. buttons put the CNR-35/55 to be "Auto-
matic Accompaniment Off" condition. In this condition, bass
and chordal accompaniment doesn't sound at all while play-
back of the rhythm patterns, even though you play chords in
the Auto Accompaniment Section of the keyboard (C1 - F#2).
If you use this function, you can start playback of the rhythm
patterns by pressing any of the entire keys (C1 - C5) while the
rhythm is in "stand-by" condition for the Synchro Start.
or F#) are played in the same way as those with white
key roots.
same octave regardless of where it is played in the Auto
Accompaniment Section of the keyboard (C1 - F#2).
...............................................