Returning The Digital Keyboard To Its Factory Default Settings - Casio CTK-1500 User Manual

Symptom
In certain keyboard ranges, the volume and tone
quality sound are slightly different from those in
other keyboard ranges.
With some tones, octaves do not change at the far
ends of the keyboard.
The pitch of the notes does not match other
accompanying instruments or sounds strange when
played long with other instruments.
The reverb of notes seems to change suddenly.

Returning the Digital Keyboard to Its Factory Default Settings

Perform the following procedure when you want to return the Digital Keyboard's stored data and settings to their initial factory
defaults.
1.
Turn off the Digital Keyboard.
2.
While holding down 8 SONG BANK and the [0] 10-key (9) key at the same time, press 1P (Power).
• You will be able to use the Digital Keyboard in a short while after its system is initialized.
Action
This is due to system limitations. It does not indicate malfunction.
This is due to system limitations. It does not indicate malfunction.
• Check and adjust the transpose (page EN-4) and tuning settings
(page EN-4).
• Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-8).
Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-8).
Reference
EN-19