If you plan to play the Millennium chimes with your organ, you will want to make sure they are in tune with one another.

Opening the Menu

Open the System Setup Menu by pressing the front panel green Enter button so that you read Main Menu on the top line of the display.
Press the number 3 and the flashing lower line will read System Setup Menu then press the Enter button again.
Press the number 5 and the flashing lower line will read Chime Master Tuning then press the Enter button again.

Something similar to the following screen will appear.

Tuning: +00

Tuning the Chimes

Play the chimes and the organ simultaneously while pressing the up cursor to raise the pitch of the chimes, or down cursor to lower the pitch of the chimes.

Press ENTER to save the tuning setting, or CANCEL to return the chimes to A=440Hz tuning.