Philips SmartSleep SP3710/15, Manual

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English
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4 Sensor data point 2: Length of sleep
session.The sensor shows how many
hours you spent in bed.
Press the activation button briefly again
to see the hours spent on your back.
5
Sensor data point 3: Hours on your
back.
The display shows the number of hours
you have spent on your back.
Note: The sensor will only save the data
of your last sleep session. If you use
the sensor for the first time the display
shows '-.-' to indicate that there is no
data available yet.
Note: When the sensor shows one of
the data screens, the sensor switches
off automatically after eight seconds of
inactivity.
1 sec.