Use the procedure below to enable or disable the tone that sounds when you press a button.

1.Pull out the crown.

The second hand will move to the currently set city.

2.Press (B) twice so the current setting ([KEY♪] or [MUTE]) is displayed.

3.Rotate the crown to select either [KEY♪] or [MUTE].

[KEY♪]: Operation tone enabled.

[MUTE]: Operation tone muted.

4.Push the crown back in to complete the setting operation.