6. BEFORE USE / FITTING
6.1 Air flow test
1
Connect the breathing tube to the
blower unit and twist it clockwise to
lock it.
2
Insert the airflow tester at the top of
the tube.
3
Press the ON button and maintain
the tube in a vertical position at eye
height.
4
The air flow is sufficient if the marble
reaches the minimum flow level O.
!
WARNING
1. The airflow must be tested before using.
2.
If the ball can’t reach the minimum flow level, don’t use the system. Change
the filter or the battery and retest the air flow.
