6
6.2
Status of authentication unit
The status of the authentication unit is indicated by status indicator LEDs and beep sounds.
Status indicator LEDs
Lit up green
Flash in green
Lit up red
Unlit
Beep sound
One short blip sound
One short blip sound
Two short blip sounds
One short blip and one long beep sound
One long beep sound
6-4
Status of authentication unit
Status
Ready state or authentication is completed
During authentication or scanning operation
Authentication failed or scanning failed
The authentication unit is not recognized
Status
Scanning starts
During a retry after authentication failed
Authentication completed
Authentication failed
Scanning canceled
6.2
d-Color MF752/652