Index: firmware/App/HDCommon.h
===================================================================
diff -u -r73634f08cd8701d835977d599a69710bb3e836c0 -r6cb41faf89ea5500a378c2d845c1b9bb552b4b30
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 73634f08cd8701d835977d599a69710bb3e836c0)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 6cb41faf89ea5500a378c2d845c1b9bb552b4b30)
@@ -64,6 +64,7 @@
     #define SKIP_CONSUMABLE_TESTS           1           // Skip pre-treatment consumable Self-tests
     #define SKIP_CALIBRATION_TESTS          1           // Skip pre-treatment self-tests involving calibration
     #define SKIP_DRY_SELF_TESTS             1           // Skip pre-treatment dry self-tests
+    #define SKIP_UI_INTERACTION             1           // Skip UI interaction.
 
     #include <stdio.h>
     #include <strings.h>