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

1. If the watch is in any mode besides the Timekeeping Mode, hold down (D) for at least two seconds to enter the Timekeeping Mode.

2. Hold down (A) for about two seconds. Release the button when your currently selected Home City appears on the display.

3. Press (D) 14 times.

This displays [RCV].

4. Press (E) to select the auto time adjustment setting you want.

[OFF]: Auto time adjustment disabled.

[ON]: Auto time adjustment enabled.

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