QR codes can be used as an authentication procedure in Kiosks, BioPads and for Unattended rollcalls. You can activate QR codes individually for each of the operating options.
Simply go to System Configuration > QR Codes and switch on whichever settings you want to apply.
Kiosk Standard mode is the standalone kiosk with faces appearing
Kiosk Headless mode is the standalone kiosk with faces hidden
BioPad Standard mode is Biopad screens with faces appearing
BioPad Headless mode is Biopad screens with faces hidden
Unattended rollcalls setting will apply to both Kiosk and BioPad unattended rollcalls.