BiOWATCH VST Instruction Manual - page 14
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Audible Low Battery Warning:
The vital signs transmitter has a rechargeable battery that
typically, under normal use, maintains a charge for 32 hours.
The vital signs transmitter provides a notification vibration,
which, after an approximate five-second delay, is followed
by a voice recording stating that the battery has reached the
level where it needs to be recharged. This vibration/recording
will be played when the battery level has dropped to 20% of
its capacity.
Audible Warning of Shutdown:
Once the battery has been depleted to a level where it can no
longer maintain the function of the vital signs transmitter, it
will provide a notification vibration. After a five-second delay,
a final message will be played stating that the vital signs
transmitter has insufficient battery level to maintain normal
function and is turning itself off.
Maintaining a Charged Vital Signs Transmitter:
In order to maintain an adequate charge, it is recommended
that you charge the battery each day by charging the belt for a
minimum of 20 minutes. Simply remove the vital signs trans-
mitter from your torso, plug the adapter into the transmitter
and leave it there for 20 minutes. If you do this once a day,
your battery should remain adequately charged.
The vital signs transmitter should never be charged while
it is being worn. Wearing the transmitter while the AC power
adapter is plugged into the wall and the belt could result in
serious personal injury
WARNING