5.1 STEP button
Depending on the mode, the STEP button initiates liquid dispensing and liquid aspiration. The device
outputs messages to the touchscreen display on how to operate the STEP button. Operation of the
STEP button can vary depending on which operating mode you have chosen. The STEP button can be
pressed across the entire surface. The following actions can be distinguished:
Briefly pressing the STEP button ("click")
Briefly pressing the STEP button twice ("double click")
Pressing and holding the STEP button
5.2 Power button
Use the power button to switch the device on and off. It is also used to put the device into standby
mode.
HandyStep® touch, HandyStep® touch S 997486
Example application:
Aspirating liquid, dispensing liquid, interrupting liquid aspi-
ration (mode-dependent), inserting or ejecting a tip
Example application:
Refilling a tip.
Example application:
Completely emptying a tip, automatically dispensing liquid
(in Auto-Dispensing mode), manual titrating (in Titration
mode).
5 Functions and controls
67
Operating manual