When external voltage is connected:
• the green status light = "DC power available"
will be on, independent of whether the ventilator is
turned »On« or »Off«. The internal battery pack is
now being charged.
• Display while ventilator is turned off:
• It takes about 5 hours to recharge a completely
discharged NiCd battery pack.
• Display while ventilator is turned off:
At room temperature, the ventilator can be operated
for about 2 hours with a fully charged NiCad battery
pack.
• Near the end of battery capacity,
the ventilator displays
Approximately 10 minutes of operation remain at
the time of this message.
NOTE: Low ambient temperatures and the actual
condition of the rechargeable batteries may reduce
operating times.
Use with external DC supply
Voltage fluctuations in on-board supplies can be sig-
nificant, e.g. due to varying load conditions. They may
exceed the input tolerances specified for MicroVent .
The DC/DC converter conditions these types of sup-
plies to provide a constant voltage of approximately
12 V DC.
• Attach cigarette lighter adapter plug to DC source,
plug other end into external DC input jack on top
of ventilator.
CAUTION !
Always use DC/DC converter 84 12 017 when
using a DC source.
Charge NiCd
Stand-by
NiCd charged
Stand-by
NiCd charging
Electrical Supply
Preparation
20
Operating Instructions MicroVent
D
1
12 V DC
24 V DC
28 V DC
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