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

1.Press (C) to enter to the Timekeeping Mode.

 Navigating Between Modes

2.Hold down the (A) button for about two seconds.

[SET Hold] will appear, and then the time zone setting will flash.

3.Press (C) 10 times until the current setting ([LT1] or [LT3]) flashes on the display.

4.Rotate the rotary switch to display the light duration you want to use.

[LT1]: 1.5-second light

[LT3]: 3-second light

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