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== WARP Radio User I/O ==

[[Image(HardwareUsersGuides/RadioBoard_v1.4/Images:Radio_Board_UserIO.jpg)]]

||'''Color'''||'''Component'''||'''Default Function'''||
||Red||D2||Glows when radio PLL is not locked to reference||
||Yellow||D3||Glows when radio receiver is enabled||
||Green||D4||Glows when radio transmitter is enabled||