•
Switch unit ON by pressing control panels ON / OFF button
•
Airflow can be adjusted by plus and minus buttons (+ /
–)
•
From 140 l / min up to 210 l / min
•
Number of lit green LED diodes displays airflow level
•
Unit ensures a constant supply of air
•
Microprocessor automatically regulates motor speed
•
Compensate filter clogging and battery state
•
If microprocessor cannot maintain adjusted airflow
•
Acoustic signal alarms and LED diodes display RED color
•
If possible microprocessor automatically reduces airflow
•
Drops airflow to next lower level
•
If airflow falls below minimum level alarm intensifies
•
User must stop working and change filter
•
Or recharge / change battery
19
Using the FreshAir Flow Control
Содержание Beta 90 FreshAir
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Страница 47: ...47 Taking into use...
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