25
ENGLISH
Symbol Description
Meaning of the display
LED illuminates continuously green Pump is switched on.
LED
-0.1 bar
to
-0.8 bar
LED illuminates red for 2 seconds
Display of the set or preset vacuum (target value display);
factory-provided default: -0.4 bar
LED illuminates continuously green Display of the current vacuum (actual value display)
3.4.2 Setting the vacuum
a) analog secretion aspirator M20
1. Set the power switch (fig. 2(F)) to ‘I’.
2. Keep the opening of the suction tube (fig. 23) and of the fin-
gertip (fig. 24) shut.
3. Turn the vacuum regulator (fig. 2(E)) until the vacuum meter
(fig. 2(D)) displays the desired vacuum. Please note that
higher vacuum values are set by turning the vacuum regula-
tor clockwise and that the indicator of the manometer moves
counter clockwise at the same time.
4. You can also perform fine adjustments to the set vacuum
using the additional air opening on the fingertip.
Fig. 23
Fig. 24
