iHealth AM3 Guide De Démarrage Rapide page 9

Sleep Tracking
To start tracking your sleep, press and hold the button on the Tracker for 2 seconds
until you see "sleep" on the Tracker display. When you are awake, press and hold
the same button for 2 seconds to end sleep tracking and resume activity tracking.
Sleep stats will appear on your app after syncing.
Silent Alarms
When you set a silent alarm from the iHealth MyVitals app, your Tracker will vibrate
gently on your wrist to either wake you up or remind you to be more active.
Airplane Mode
Turn on the "airplane" mode to disable Bluetooth connection while in flight
(app->device setting). Press and hold the button on the Tracker for 2 seconds to
disable airplane mode and resume activity tracking.
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