Kawai CA501 Owner's Manual page 58

Adjustments & Settings
14 Release Time
The Release Time function allows to adjust the duration of the sound decay after keys are released.
▋ Adjusting the Release Time volume
The value can be specified in the range from 1 to 10.
"1" is the shortest decay and "10" is the longest decay.
15 Minimum Touch
The Minimum Touch function allows to set the touch sensitivity for the quietest sound.
▋ Adjusting the Minimum Touch value
The value can be specified in the range from 1 to 20.
When set to "1", a sound is produced even by an extremely soft
touch.
When set to "20", no sound is produced for an extremely soft
touch.
16 Stretch Tuning/User Tuning
The Stretch Tuning function allows a piano-specific tuning which makes lower octaves slightly flatter and
upper octaves slightly sharper than the normal equal temperament. This function is available only when
equal temperament is selected for the temperament type. In addition, User Tuning allows individual tun-
ing for each of the 88 keys.
The display shows "Stretch/UserTuning".
▋ Stretch Tuning types
Stretch Tuning
Off
Normal
Wide
User
58
Description
Normal equal temperament tuning.
Lower octaves are slightly flatter and upper octaves are slightly sharper than the normal equal tempera-
ment.
Lower octaves are flatter and upper octaves are sharper than the normal equal temperament.
Tuning range between -50 and +50 can be set on each key.