Installation Manual

Cryptera A/S SV/INT3520-2000-10 rev.B Page 11 of 22
Installation Manual
4.3 Beeper
The NFC Reader contains an internal beeper, which is used to inform cardholders about
the result of the NFC reading.
To accommodate with the noise level in the surroundings, the beeper volume is adjustable
via the software API. Please refer to [SW] for further details.
4.4 LED’s
The NFC Reader contains operational LED’s on the front-side, and diagnostic LED’s on
the back-side.
4.4.1 Operational LED’s
The operational LED’s guides the cardholder when using the NFC Reader for a
contactless transaction. They indicate whether the device is ready for a contactless
transaction, and the progress of an on-going contactless transaction.
The LED pattern follows the recommendations from EMVCo.
The intensity of the operational LED’s is adjustable via the software API.
For more details, please refer to [SW].
4.4.2 Diagnostic LED’s
The diagnostic LED’s indicate the overall state of the device.
The following table explains the pattern of the diagnostic LED’s.
Device State
LED’s
Red
Yellow
Green
Blue
Initialization / Power-Up
 Boot-phase
 SRL
 FL
On
6 Hz | Off
6 Hz | Off
On
On
On | 6 Hz
On | 6 Hz | Off
On | 6 Hz | Off
On | 6 Hz | Off
Off
Off
Off
Application
 No issues detected
o No cmd received
o First cmd recevied
o Executing cmd
 Non-critical issue detected
 Critical issue detected
Off
Off
1 Hz
6 Hz
1 Hz
Off
On
1 Hz | Off
1 Hz
1 Hz
1 Hz
On
1 Hz | 6 Hz
Off
See
note
1
Legend:
 On – the LED is constantly on
 Off – the LED is constantly off
 x Hz – the LED is blinking with x Hz
 Note 1 – the blue LED is constantly on if the device is in SRED mode