Agilent Technologies TwisTorr 305-IC Mode D'emploi page 288

8 Technical Information
NFC Function
To use this function, after opening the VacuumLink App, make sure to align the NFC
antenna of the smartphone with the NFC icon on the controller and take the
smartphone at a distance less than 2 cm (1 in).
Figure 56
This function can also be used when the pump is off.
NOTE
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