Staff sign-in
First sign-in and roster download require internet. Use the same staff account to synchronize saved scans.
Restore a saved recovery file
Sign in as the original staff member. This restores pending scans; it does not mark them confirmed.
Before going offline, wait for Offline ready. Keep this page open when internet returns; it uploads pending scans first, then downloads roster changes automatically. Initial setup needs internet. Do not clear this browser's site data or use private browsing.
A disconnected device cannot see another device's new scans. Local scans remain provisional until the server confirms them. Device timestamps are retained separately from server receipt time. Offline staff authorization lasts 24 hours from the last successful online check.
Online walk-in registration and correctionsNew walk-in registration and undo/corrections require internet. During an outage, record unregistered walk-ins on a controlled paper roster for supervisor entry; never invent a confirmed Participant ID.
Scan participant QR
Only save a scan after seeing that person at the desk. A group QR opens its roster; confirm each person individually.
Find a participant or group
Pending scans and review
Rejected scans are retained for supervisor review. They are not counted as confirmed attendance.