Add an account
From the security wizard: tap Use the PURE app under the QR code and this fills itself in. Or copy the setup key shown beneath any QR and paste it here. Codes are generated on this device and work with no signal.
Good to know
Codes live on this device only - that is what makes them a second factor. Keep your 8 recovery codes stored safely in case you lose the phone. Adding the same account on a second device: use the same setup key. Remove an account here any time; it does not turn off MFA on the server.