Index: firmware/App/Controllers/SyringePump.c
===================================================================
diff -u -rf6b78d1fe6741043de38707211710ab0e8a08483 -r43a84133216095b12529dbfcc957bb3738bbc3a2
--- firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision f6b78d1fe6741043de38707211710ab0e8a08483)
+++ firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision 43a84133216095b12529dbfcc957bb3738bbc3a2)
@@ -90,7 +90,7 @@
 #define FIVE_PCT_OVER_ALLOWANCE                       1.05                                  ///< Allow 5 percent over target before alarming on over travel.
 
 /// Expected position of empty in relation to home position.
-#define SYRINGE_PUMP_EMPTY_POS                        ( SYRINGE_ENCODER_COUNTS_PER_ML * 10.84 )
+#define SYRINGE_PUMP_EMPTY_POS                        ( SYRINGE_ENCODER_COUNTS_PER_ML * 10.84 )  ///< get syringe volume from home to empty (11 mL is placeholder)
 /// Margin of error for empty position determination.
 #define SYRINGE_PUMP_EMPTY_POS_MARGIN                 ( SYRINGE_ENCODER_COUNTS_PER_ML * 0.5 )
 /// Minimum retract position.
@@ -1850,12 +1850,14 @@
         syringePumpDataPublicationTimerCounter = 0;
     }
 }
+
 
 /*************************************************************************
  *                       TEST SUPPORT FUNCTIONS
  *************************************************************************/
 
 
+
 /*********************************************************************//**
  * @brief
  * The testSetSyringePumpDataPublishIntervalOverride function overrides the