Press the Up button on the home screen of the watch and swipe on the screen to select Workout.
Swipe up or down on the screen to select a workout mode and start a workout.
During the workout, press the Up button on the watch and touch the Volume icon.
Swipe up or down on the volume bar to adjust the volume. When the volume is adjusted to the lowest level, the watch will be displayed as muted and voice prompts will be disabled.
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