Module No. 5657
Viewing the Face in the Dark
The watch has an LED light that you can turn on for reading in the dark.
Turning On Illumination
Pressing (B) turns on the light.
Illumination will turn off automatically if an alarm starts to sound.
Illumination is disabled while the hands are moving at high speed.
The light may flicker when it turns on or off.
Specifying the Illumination Duration
You can select either 1.5 seconds or three seconds as the illumination duration.
Enter the Timekeeping Mode.
Hold down (A) for at least two seconds until the name of the currently selected Home City is displayed.
Press (C) 12 times to display [LIGHT].
Press (D) to select an illumination duration.
Press (A) to exit the setting screen.
[LT1]: 1.5-second light
[LT3]: 3-second light