UKBADGER - this is copied from page 186 of the manual. Let me know if it doesn't help.
Initialize
This Keyboard has many settable functions and storable memories. However, you can return the settings
and memory to the factory-preset status.
INITIAL
1.Press the PROGRAM MENUS button to turn it
on.
• The display changes to the following.
2. Select CONTROL.
• The display looks similar to the following.
3. Select INITIAL.
• This display changes to the following.
4. Use the and buttons to select the desired
type of initialization.
• PERFORMANCE includes all the items which
are listed below it.
5. Press the OK button.
• The display changes to the confirmation display.
Press the YES button if you wish to execute
the initialization. Press the NO button if
you wish to cancel the procedure.
• Initialization begins. When initialization is completed,
“COMPLETED!” is shown on the display
and the Keyboard returns to the normal
perform-ance mode.
• The USER MIDI and FAVORITES are not initialized
by this procedure.
PROGRAM
MENUS
You can also reset all the PERFORMANCE
items with the following procedure:
Turn off the power to this instrument once.
Then, while pressing the three lower left buttons
in the RHYTHM GROUP section (JAZZ
& SWING, BALLROOM & SHOW and LATIN
& WORLD) at the same time, turn the power
on again.