5 - Operation
Dynamag Duo| Secure Card Reader Authenticator | Installation and Operation Manual
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5
Operation
5.1
About the General Status LED
Dynamag Duo’s
General Status LED
provides feedback to the operator and cardholder about the
internal state of the device (see
shows how to interpret the colors and flashing
patterns of the General Status LED.
Table 5-1 - General Status LED Meaning
Color
Flashing Pattern
Meaning
Off
Off
The device is not powered, or the host has put the
device into Suspend mode.
Green
Steady On
If the device is configured to require authentication
(Security Level 4), the device is waiting for
authentication. After authentication is established
it will slowly blink green, or will turn steady red if
authentication fails.
If the device is not configured to require
authentication, the device is ready to read a card.
Green
Two Second Blink
A cardholder has swiped a card, and the device has
successfully decoded the swiped card.
Green
Slow Blinking
If configured to require authentication (Security
Level 4), authentication has been established, and
the device is ready to read a card.
Amber
Steady On
When the device is first turned on, the LED is
solid amber while the host enumerates it.
Red
Steady On
If the device is configured to require authentication
(Security Level 4), authentication has failed.
Make sure you are connecting to the correct host,
check the authentication configuration on the host,
and power cycle the device.
The device also uses this status when a user is
updating the firmware. On completion, the device
will reset and the LED will turn off briefly.
Red
Two Seconds On
Device has failed to decode data on a swiped card.
Try the swipe again.
5.2
About the Buzzer
In addition to the General Status LED, the device incorporates a buzzer. After a cardholder swipes a card,
the device will emit two short 2 kHz buzzes for a good read, or one buzz for a bad read, prompting the
cardholder to try the swipe again.
