Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -rfb1673d2282822995ed233f3e9ea5dfb0567780d -r2991b6731ff88740f29ea2f19411115d4f8a4aa4
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision fb1673d2282822995ed233f3e9ea5dfb0567780d)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 2991b6731ff88740f29ea2f19411115d4f8a4aa4)
@@ -71,6 +71,7 @@
 
 #define PSI_TO_MMHG                         ( 51.7149F )                                    ///< Conversion factor for converting PSI to mmHg.
 
+// The new arterial pressure sensor is the same as the venous pressure sensor
 #define VENOUS_PRESSURE_NORMAL_OP           0                                               ///< Venous pressure status bits indicate normal operation.
 #define VENOUS_PRESSURE_CMD_MODE            1                                               ///< Venous pressure status bits indicate sensor in command mode.
 #define VENOUS_PRESSURE_STALE_DATA          2                                               ///< Venous pressure status bits indicate data is stale (no new data since last fpga read).
@@ -683,7 +684,7 @@
         // and setOcclusionInstallLevel has been called.
         if ( MODE_PRET == getCurrentOperationMode() )
         {
-            if ( getPreTreatmentSubState() > HD_PRE_TREATMENT_CART_INSTALL_STATE && getDrySelfTestsState() > DRY_SELF_TESTS_START_STATE )
+            if( getPreTreatmentSubState() > HD_PRE_TREATMENT_CART_INSTALL_STATE && getDrySelfTestsState() > DRY_SELF_TESTS_START_STATE )
             {
                 // Check for occlusion
                 if ( bpOccl > ( OCCLUSION_THRESHOLD_OFFSET + bloodPumpOcclusionAfterCartridgeInstall ) )
@@ -693,7 +694,6 @@
                 }
             }
         }
-
         // Check for occlusion in Treatment modes where pumps are moving
         else if ( MODE_TREA == getCurrentOperationMode() )
         {