General information
3-11
CAUTION: Avoid allowing the ventilator battery to become completely
discharged. Otherwise, the battery may become over-discharged and
require long recharge times of up to 16 hours or more. The over-
discharged condition may permanently damage the battery so that it
is unable to recharge. To prevent the occurrence of a non-recoverable
over-discharged battery, always keep the ventilator connected to an
AC outlet.
Figure 3-6: Power indicators
ON/Shutdown LED
On continuously: AC
power is connected
Battery (charged) LED
Flashes: Battery is charging
On continuously: Battery is charged
(90 to 100%)
Off: Ventilator is running on battery,
or the ventilator is off and AC power
is not connected
Power source symbol
The ventilator is powered by AC
and the battery is installed.
The ventilator is powered by AC
and the battery is not installed.
The ventilator is powered by the
battery. This symbol shows the ap-
proximate battery time remaining
in hours and minutes, and it shows
the remaining capacity graphically.
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