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

1.Enter the Timekeeping Mode.

Navigating Between Modes

2.Hold down (E) for at least two seconds. Release the button when the name of the currently selected Home City appears on the display.

3.Press (D) twice.

This causes [KEY♪] or [MUTE] to flash on the display.

4.Press (C) to select [KEY♪] or [MUTE].

[KEY♪]: Operation tone enabled.

[MUTE]: Operation tone muted.

5.Press (E) twice to complete the setting operation.