Livassured NightWatch Mode D'emploi page 60

4 The diff erent components and how they work
4.1 Arm module with elastic strap
A = heart rate sensor + LEDs
B = ON/OFF switch
C = Indicator light
D = Charging point
EN
The arm module is worn on the upper arm and
held in place with an elastic strap. The best
position for the arm module is facing forward
around the upper arm between the biceps and the
shoulder.
The arm module continuously tracks the wearers
movement and heartrate in order to detect
epileptic seizures. The two green LEDs (A) on the
dark grey underside of the arm module are part of
the sensor that tracks the wearer's heartrate.
In case a possible epileptic seizure has been
detected, the arm module sends a signal to
the base station which may alert the care giver.
The arm module is powered by an integrated
rechargeable battery and can be charged by
connecting the supplied USB charging cable to the
charging point (D).
The dark grey underside of the arm module has an
ON/OFF switch (B). The position can be changed
using a pen, which should be done once at fi rst
use to switch on the arm module. The green LEDs
indicate that the module is switched on and the
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B
A
heart rate and movement registration will begin
automatically. Registration can be stopped by
reconnecting the arm module to the charger.
The system will begin registering again when you
remove the arm module from the charger. This
is how you start and stop the system from now
on. During the day, when the system is not in use,
leave the arm module switched on and connected
to the charging unit.
The arm module can only charge if the ON/OFF
switch is on. The arm module will not charge if
the ON/OFF switch is off . If the arm module is
neither in use nor connected to the charger, during
transport for example, the ON/OFF switch on the
arm module can be switched off altogether to
prevent the battery from depletion.
v5.3
C
D
NightWatch