BRAND HandyStep touch Instrucciones De Manejo página 79

7.10.1 Filling an empty tip
Prerequisite:
> An operating mode has been selected.
> On the touchscreen display, the message 'Press STEP to fill' appears.
a. Hold the tip vertically in the vessel.
b. During aspiration, make sure that the tip opening is always covered by liquid, in order to prevent
air bubbles in the tip.
c. Press the STEP button.
The tip is filled until the set volume or the nominal volume is reached.
Reverse stroke (play compensation)
During filling, the device performs a reverse stroke, which guarantees accuracy of the STEP volume
setting. This way, the first STEP does not have to be discarded.
7.10.2 Interrupting filling of the tip
a. To interrupt filling of the tip, press the STEP button.
ð Filling is suspended immediately. You can dispense the aspirated volume again with the STEP but-
ton, drain the tip or resume the filling process.
7.10.3 Filling a partially drained tip
a.
Reverse stroke (play compensation)
During filling, the device performs a reverse stroke, which guarantees accuracy of the STEP volume
setting. This way, the first STEP does not have to be discarded.
7.10.3.1 Automatically switching to filling
After dispensing all of the requested STEPs, liquid with a volume of less than 1 STEP remains in the tip
(residual volume). The device automatically switches into the filling mode that will allow you to refill
the tip.
a. Press the STEP button 2 times in quick succession.
ð Liquid is aspirated until the tip is completely filled.
HandyStep® touch, HandyStep® touch S 997486
NOTICE
a. Switch to refill.
b. Hold the tip vertically in the liquid.
c. Press the STEP button 2 times in quick succession.
ð The liquid is aspirated until the nominal volume has been
reached.
d. To stop filling the tip, press the STEP button.
ð The operating mode appears again. You can continue
dispensing.
NOTICE
7 Operation
79
Operating manual