Whenever you are in a hospital, on an aircraft, or in any other location where connection with a phone may cause problems, you can perform the procedure below to disable auto time adjustment. To re-enable auto time adjustment, perform the same operation again.

1. Tap the “CASIO WATCHES” icon.

2. Hold down (D) for at least two seconds. Release the button when and start to flash.

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

3. Perform the operation shown on the phone screen to enable or disable auto time adjustment.