Index: firmware/App/HDCommon.h
===================================================================
diff -u -rda50943e3c54bd1aedfbd259a7e210caaaecb41d -r647f8950c1a9f936e16a7b51e36f582c3d03a40e
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision da50943e3c54bd1aedfbd259a7e210caaaecb41d)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 647f8950c1a9f936e16a7b51e36f582c3d03a40e)
@@ -36,7 +36,7 @@
 //    #define USING_DEBUGGER                  1           // Want to be able to use the debugger and have break points
 //    #define BOARD_WITH_NO_HARDWARE          1           // Target is a PCB w/ no hardware
 //    #define RUN_WITHOUT_DG                  1           // Run HD w/o DG
-//    #define SIMULATE_UI                     1           // Build w/o requirement that UI be there
+    #define SIMULATE_UI                     1           // Build w/o requirement that UI be there
 //    #define TASK_TIMING_OUTPUT_ENABLED      1           // Re-purposes alarm lamp pins for task timing
       #define DISABLE_BATT_COMM               1           // Disable battery communication  // TODO soft switch
 //    #define READ_FPGA_ASYNC_DATA            1           // Test build reads non-priority register page every other time