5 - Operation
Dynamag Duo| Secure Card Reader Authenticator | Installation and Operation Manual
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5.3
Card Reading
Before use, make sure Dynamag Duo is connected to a power source (see section
) and
is connected to a host (see section
4.3 About Connecting Dynamag Duo to a Host
).
Generally the host will always keep a connection open to the device, and the device indicates it is ready
for a swipe (or host command by keeping the General Status LED green.
When the General Status LED indicates the device is ready for a swipe (see section
, cardholders can swipe magnetic stripe cards in either direction, with the magnetic
stripe facing either side of the device, provided the magnetic stripe is inside the device’s MSR rail. They
must swipe in the range of speeds specified in
After a swipe, the operator may monitor the device’s response by using the host software or by watching
the General Status LED. See section
5.1 About the General Status LED
for assistance interpreting the
device’s LED patterns in response to a swipe.
If there is data encoded on the card, the device will attempt to read the data, encrypt it, and then send the
results to the host via a USB HID input report or, if in Keyboard Emulation mode, as if the data was being
typed on a keyboard. After the results are sent to the host, the device will be ready to read the next card.
Figure 5-1 - Swiping a Card Through Dynamag Duo
