User's Manual

ice. If a pairing ACR3901U-S reader is
7. Turn the ACR3901U-S reader to “Bluetooth Mode”
6. Plug the ACR3901U-S reader into PC through USB
5. Insert the “ACOS3” test card into the ACR3901U-S reader.
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cable for providing power.
and check that the green LED on the
reader will slowly flash. It means the reader is ready to be paired with.
8. Press the “Scan” button to scan the Bluetooth dev
discovered, it will display the reader information as the picture below: