The watch has a light that illuminates the face for viewing in the dark.

To illuminate the face manually

Pressing (A) turns on illumination.

• Illumination will turn off automatically if an alarm starts to sound.

To illuminate the face when Auto Light is enabled

If Auto Light is enabled, face illumination will turn on automatically whenever the watch is positioned at an angle of 40 degrees or more.

Configuring the Auto Light Setting

1.Enter the Timekeeping Mode.

Navigating Between Modes

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

3.Press (C) 13 times to display [AUTO].

4.Press (D) to toggle Auto Light between enable and disable.

[ON]: Illumination turns on when the watch is angled towards the face.

[OFF]: Illumination does not turn on when the watch is angled towards the face.

5.Press (B) to exit the setting screen.

• [LT] is displayed while Auto Light is enabled.

• If you do not disable it manually, Auto Light remains enabled for approximately six hours. After that, it becomes disabled automatically.

Specifying the Illumination Duration

You can select either 1.5 seconds or three seconds as the illumination duration.

1.Enter the Timekeeping Mode.

Navigating Between Modes

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

3.Press (C) 14 times to display [LIGHT].

4.Press (D) to toggle between the two illumination duration settings.

[1]: 1.5-second illumination

[3]: 3-second illumination

5.Press (B) to exit the setting screen.