Dräger Babylog VN500 Instructions For Use Manual page 106

Operation
Charging the internal battery
The internal battery is charged when
Babylog VN500 is supplied with mains power.
CAUTION
Leave Babylog VN500 connected to the mains
power supply for at least 4 hours so that the inter-
nal battery can be fully charged.
Charging display on screen
The state of charge of the internal battery is dis-
played in the screen header bar (A).
A
Symbol State of charge
90 to 100 %
60 to <90 %
40 to <60 %
20 to <40 %
<20 %, flashes in 1-second pulses
light and dark red
Internal battery defective or no infor-
mation on the battery state of charge
available
When the internal battery is charged, the last seg-
ment in the battery symbol flashes white.
Charging time
The charging time increases significantly when the
battery is warm, e.g., from high ambient tempera-
tures or after a deep discharge.
Battery maintenance
To ensure a maximum service life, the following is
recommended:
Always fully charge the internal battery.
106
Connect to the mains power supply at the latest
after 5 days Babylog VN500. Leave the device
connected to the mains power supply for at
least 4 hours so that the internal battery can be
fully charged.
If recharging is not possible at the latest after
5 days, disconnect the electrical connection be-
tween the internal battery and the device imme-
diately after ending operation. To do this, set the
toggle switch to the
connect the mains plug. Babylog VN500 is in
energy-saving mode. This reduces the sponta-
neous discharge rate of batteries. Check that
the capacity of the internal battery is sufficient
before use on the patient. The internal battery
1 2 3
can be deep discharged or destroyed by too
long storage.
Batteries are wear parts. The internal battery must
be exchanged depending on the degree of wear.
Observe the maintenance intervals.
Storage at an increased ambient temperature re-
duces the service life of the internal battery. The fol-
lowing times should not be exceeded:
– Temperature –20 °C to +45 °C
(–4 °F to +113 °F): up to 6 months
– Temperature +45 °C to +65 °C
(+113 °F to +149 °F): up to 1 week
The capacity of the internal batteries used must be
checked regularly. The battery must always have
sufficient capacity. Exchange the internal battery if
necessary.
Mains power operation
When supplied with mains power, Babylog VN500
switches to mains voltage operation. The internal
battery is also charged at the same time. The last
segment in the battery symbol flashes white to pro-
vide information on the charging process.
Instructions for Use Infinity Acute Care System – Babylog VN500 SW 2.n
position and then dis-