Polar Electro m600 User Manual page 27

From the top of the home screen, you can pull down the Quick Settings menu. Keep swiping left in the menu to
find all the following settings:
Do not disturb/Notifications/Mute: tap to silence notifications on your M600.
Theater mode: tap to turn theater mode on.
Brightness boost: tap to boost screen brightness temporarily.
Settings: tap to open the Settings menu.
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