Kawai CA901 Owner's Manual page 66

Adjustments & Settings
Stretch Tuning
Type Description
O Stretch tuning is disabled.
Normal Normal stretch tuning is applied, with a lower low end and a higher high end.
Wide Wide stretch tuning is applied, with a lower low end and a higher high end than Normal.
User A custom tuning method, allowing the pitch of each key to be individual tuned.
CHECK
Stretch Tuning is displayed only when the temperament of the instrument is an equal temperament.
User Tuning
1. Ta T T p [Edit] in the User Tuning area to display the Tuning
Editor screen.
3. Ta T T p the [–] and [+] buttons in the Tuning area to adjust
the value for the selected note, or drag the graph to
adjust the tuning.
The Tuning value can be adjusted within the range of –
50~+50 cents.
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2. Ta T T p the [–] and [+] buttons in the Key area to select the
desired note to be adjusted, or to select a note
directly, press the desired key on the instrument's
keyboard.
Ta T T p the [Reset] button to return to the default
settings.

Ta T T p to return to the detailed settings screen.