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

1.In the Timekeeping Mode, pull out the crown.

2.Press (B) four times so the current setting ([LIGHT1] or [LIGHT3]) is displayed.

3.Rotate the crown to select an illumination duration.

[LIGHT1]: 1.5-second illumination

[LIGHT3]: 3-second illumination

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