Use the Airplane Mode to disable Bluetooth radio wave emissions.
Put the watch into its Airplane Mode when in a hospital, in an aircraft, or anywhere else where radio wave emissions are restricted. When you need to connect with a phone again, exit the watch Airplane Mode.

1. If the watch is connected with a phone, press any button to terminate the connection.

2. Hold down (A) for about four seconds.

The watch will enter the Airplane Mode and the mode hand will move to the Airplane Mode mark.

• To exit the watch Airplane Mode, hold down (A) for about four seconds.