HT SIgn-In App > User Guides for QR Code Sign-in and Sign-out Updated July 30, 2021 07:04 Share See below user guides, on how to use a QR Code Scanner to sign in and sign out. We recommend printing out both user guides and placing them near each sign-in device, for ease of reference. Touchless Sign-in - Android.pdf (2 MB) Touchless Sign-in - Apple.pdf (2 MB)