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Step 3:
In the following, the pump is operated backwards, i.e. liquid is pumped out of the measuring cup.
The user has to let the pump run by pressing a key until a sufficiently large amount has been pumped
back (at least 500ml) and stop in time before the target vessel is empty!
Important: Keep the filling line close to the bottom of the measuring cup so that liquid can be pumped
out; no air may be sucked in!
The system is now ready to start the pump in reverse mode. The display shows:
Important: Keep the pipe in the measuring cup below the liquid level so that no air is sucked in!
As soon as you are ready press and hold the
Empty
key.
The system pumps backwards as long as the
Empty
key is pressed.
If a sufficiently large amount (at least 500ml!) has been pumped back, release the "Empty" key.
To continue press the
key. If pressing the "Select menu" key has no effect, not enough liquid has
been dispensed (the bottom left control counter must reach at least 300)!
Next, the system asks for the third quantity or weight value:
With the
keys, the value can be set, to confirm press the
key.
Tip: To quickly adjust the value in addition to the
keys press and hold the
key!
