Configuring the keyboard/sound source

Configures keyboard and sound source settings such as the touch response and scale type.

1.Tap the “Keyboard / Sound Source” button.

AP-750_keyboard sound source

2.Specify the respective settings.

Touch Response

You can use this function to vary the volume and sound quality according to how hard (quickly) keys are pressed, in the same way as a acoustic piano.

Duet

This function allows you to set the same range of notes for the right and left sides of the keyboard. Switch the function ON or OFF. Select “Pan” to switch on the Duet function. This sets the left side of the keyboard to play out of the left speaker and the right side of the keyboard to play out of the right speaker.

Duet: Octave Shift

This function configures octave shift for the left and right keyboards respectively.

Scale Type

Sets the keyboard pitch. This function is useful for playing musical genres such as ethnic music. There are 17 pitch settings to choose from:
0: Equal
1: Pure Major
2: Pure Minor
3: Pythagorean
4: Kirnberger 3
5: Werckmeister
6: Mean-Tone
7: Rast
8: Bayati
9: Hijaz
10: Saba
11: Dashti
12: Chahargah
13: Segah
14: Gurjari Todi
15: Chandrakauns
16: Charukeshi

Scale Base Note

Sets the root (base note) of the scale. Tap “+” to go to the next root, or tap “-” to go back to the previous root.

Hammer Response

When set, it matches the sound timing of a grand piano, which varies slightly depending along the length of the keyboard.

Key Off Response

When set, the next note is articulated even when the key is pressed again before it has been fully released.

Transpose

This allows you to shift the key for the entire keyboard up or down in semitone increments.

Tap “+” to raise the pitch or “-” to lower it.

Tuning

This allows you to shift the overall pitch up or down in increments of 0.1 Hz from the standard pitch where A4 = 440 Hz.

Stretch Tuning

Sets a tuning method specific to acoustic pianos. When on, the bass side is tuned lower and the treble side higher than normal equal temperament.

Keyboard Volume

Sets the keyboard volume.

Tap “+” to increase the volume or “-” to lower it.