Konica Minolta inpro, Техническое руководство

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LEDs (Light Emitting Diodes)
Version 2.0.1 - 16
LEDs (Light Emitting Diodes)
Antenna Housing LED
Inside the card reader’s housing a LED is mounted which can be
used to let the user know that card data has been read and this
data is presented to the server. The LED will also be used to show
an error has occurred, by using different blink patterns.
Blink patterns
In case of an error situation the LED will blink with an irregular
pattern.
The number of times the LED blinks between the longer 'on' (or
'off') pulses is an indication for the error code.