1) Enter the configuration menu:
- on FTSY802 from the yellow qrcode request and temperature screen, tap on the top right corner.
- on FTSY804 from the face recognition screen, tap the gear icon in the top right corner.

2) At the password request, enter 123456 (unless previously changed)

3) tap on APP SETTINGS >>> RECOGNISATION SETTINGS
4) set the item DISTANCE to 2: 1M
5) press the green OK button at the end of the page