User's Manual

Wireless Dynamics Inc. SDiD 1020 User Instructions
LED Specification
The SDiD 1020 has an integrated LED that is used to indicate the card status. The
following table shows the different LED states and the corresponding card status:
LED Status Indicator
Card Status LED State
Standby Mode OFF
Reader/Writer in 14443 Mode Two blinks every two seconds
Reader/Writer in 15693 Mode Three blinks every two seconds
Operating Instructions
1) Insert the SDiD 1020 card into the SD card slot of the host device. The integrated
LED on the SDiD 1020 will initially be ON for two seconds and it will turn OFF
after.
2) Start the application software in the host device.
3) When the card is configured to act as a reader/writer the LED will blink twice
every two seconds. At this point the SDiD 1020 card is ready to read/write
from/to a target.
4) When the SDiD 1020 card is in the Standby Mode, the LED will be OFF and the
SDiD 1020 card will not be able to read/write from/to cards until the appropriate
mode is selected in the Host Software Application.
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