You can use CASIO WATCHES to specify the amount of time until the Bluetooth connection is automatically terminated and the illumination duration, and to configure other settings.

1. Tap the “CASIO WATCHES” icon.

2. Hold down (D) for about two seconds.

When a connection is established between the watch and phone, will stop flashing.

3. Select the setting you want to change and then perform the operation shown on the phone screen.