Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r4edcab754487b8abf005e874b1d4aea24a9ede57 -rf1e2d5b035e2ba41a5e4f9d8861a265aaef02622
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 4edcab754487b8abf005e874b1d4aea24a9ede57)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision f1e2d5b035e2ba41a5e4f9d8861a265aaef02622)
@@ -35,7 +35,7 @@
 
 #define ARTERIAL_PRESSURE_V_BIAS            ( 3.0 )                                         ///< Bias voltage for arterial pressure sensor.
 #define ARTERIAL_PRESSURE_SENSITIVITY       ( 0.000005 )                                    ///< Sensitivity for arterial pressure sensor is 5 uV / mmHg
-#define ARTERIAL_PRESSURE_V_PER_BIT         ( ARTERIAL_PRESSURE_V_BIAS / (F32)0x1000000 )   ///< Volts per bit in 24-bit arterial pressure sensor reading.
+#define ARTERIAL_PRESSURE_V_PER_BIT         ( ARTERIAL_PRESSURE_V_BIAS / (F32)0x800000 )    ///< Volts per bit in 24-bit arterial pressure sensor reading.
 
 #define VENOUS_PRESSURE_OFFSET              ( 1638 )                                        ///< Offset for 14-bit venous pressure sensor reading.
 #define VENOUS_PRESSURE_SCALE               ( 14745 - VENOUS_PRESSURE_OFFSET )              ///< Scale for venous pressure sensor.