Index: firmware/App/HDCommon.h
===================================================================
diff -u -rd951c4a673f308306d48650182c3af3814e9ab4b -raa0c1b0150e1eeb2ff5f7cac8715ecacb6aca119
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision d951c4a673f308306d48650182c3af3814e9ab4b)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision aa0c1b0150e1eeb2ff5f7cac8715ecacb6aca119)
@@ -33,14 +33,14 @@
 #ifndef _RELEASE_
 #ifndef _VECTORCAST_
 //    #define USING_DEBUGGER                  1           // Want to be able to use the debugger and have break points
-//    #define BOARD_WITH_NO_HARDWARE          1
-//    #define RUN_WITHOUT_DG                  1           // Run HD w/o DG
+//    #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 TASK_TIMING_OUTPUT_ENABLED      1           // Re-purposes alarm lamp pins for task timing
 //    #define DISABLE_ALARM_AUDIO             1           // Disable alarm audio
 //    #define SKIP_POST                       1           // Skip POST tests - all pass
-//    #define DONT_SKIP_NV_POST               1
-    #define DISABLE_AIR_TRAP_LEVELING       1           // Disable air trap level control
+//    #define DONT_SKIP_NV_POST               1           // Do not skip NV Data POST
+//    #define DISABLE_AIR_TRAP_LEVELING       1           // Disable air trap level control
 //    #define DISABLE_3WAY_VALVES             1           // Disable 3-way valves
 //    #define TST_3WAY_VALVES_ALWAYS_OPEN     1           // After POST and homing, open all 4 valves
     #define DISABLE_ACCELS                  1           // Disable accelerometer POST and monitoring
@@ -55,11 +55,11 @@
     #define DISABLE_PRESSURE_CHECKS         1           // Do not error on HD pressure checks
 //    #define DISABLE_UF_ALARMS               1           // Do not error on HD ultrafiltration checks
     #define DISABLE_VALVE_ALARMS            1           // Do not error on HD valve position
-    #define DISABLE_CAL_CHECK               1
+    #define DISABLE_CAL_CHECK               1           // Disable calibration checks
 //    #define RUN_PUMPS_OPEN_LOOP             1           // BP and DPi pumps will be run open loop (no flow sensor feedback)
 //    #define RAW_FLOW_SENSOR_DATA            1           // Test build will not filter flow sensor data
 //    #define READ_FPGA_ASYNC_DATA            1           // Test build reads non-priority register page every other time
-//    #define EMC_TEST_BUILD                  1           // EMC test build - HD/DG run separately but connected, HD pumps toggle on/off w/ stop button
+    #define EMC_TEST_BUILD                  1           // EMC test build - HD/DG run separately but connected, HD pumps toggle on/off w/ stop button
     #define ALARMS_DEBUG                    1           // Triggered alarms sent to debug UART
     #define SKIP_PRIMING                    1           // Skip Pre-treatment Prime
     #define SKIP_WET_SELF_TESTS             1           // Skip Pre-treatment prime wet self-tests