laerdal Suction Unit, User Manual

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3.2.2 Indicators
3.2.2.1 Power ON Indicator
This green LED has 3 modes:
- It is lit continuously while the LSU is switched ON.
- It flashes rapidly (approx. twice per second) during the Device Test.
- It flashes slowly (approx. once per second) while the Automatic
Power-save Function is activated, if the Device Test is interrupted
and when the battery is discharged.
3.2.2.2 External Power Indicator
This green LED is continuously lit while external AC- or DC-power is
connected.
3.2.2.3 Failure Mode Indicator
The red LED is lit when a possible malfunction of the LSU has been
detected. If lit turn the LSU OFF, and then ON again to check if the
indication disappears*. Provided that the indication does not occur
again the LSU can be operated. If the Indicator continues to be lit after
three OFF/ON cycles and after replacing the battery with a fully charged
battery, discontinue use and contact a Laerdal Service Center. (See section 6).
*Failure Mode Indication caused by external electrical interference may occur on any digital
equipment including the LSU. Such fault will usually not be repeated.
3.2.2.4 Vacuum Indicator
This green LED bar graph displays the actual
vacuum level during operation of the LSU. Each fully lit
segment represents 50 mmHg. If a segment has a weak
light, this represents 25 mmHg (e.g. 125 mmHg means
2 fully lit and 1 weakly lit segments).
3.2.2.5 Battery Status Indicator
During operation from internal battery and during charging
the displayed values must only be used as indications.
Several parameters can influence battery capacity e.g. device settings,
state of battery, temperature etc.
8
mmHg 80 120 200 350 500
kPa 11 16 27 47 67
mBar 107 160 267 467 667