Index: firmware/App/Drivers/GLXferPump.h
===================================================================
diff -u -r395522dffef1348e176564925656012f529c1910 -rf2e5da3b659f99aaa0eec9174a472529cf11b95a
--- firmware/App/Drivers/GLXferPump.h	(.../GLXferPump.h)	(revision 395522dffef1348e176564925656012f529c1910)
+++ firmware/App/Drivers/GLXferPump.h	(.../GLXferPump.h)	(revision f2e5da3b659f99aaa0eec9174a472529cf11b95a)
@@ -33,14 +33,13 @@
 
 // ********** public definitions **********
 
-#define AIR_PUMP_MOTOR_OFF          0               ///< Power level setting (PWM) for H12 air pump to turn pump off.
-#define AIR_PUMP_MOTOR_MAX_PWM      60              ///< Power level setting (PWM) maximum for H12 air pump.
+#define AIR_PUMP_MOTOR_OFF            0.0f            ///< Power level setting (PWM) for H12 air pump to turn pump off.
 
 // ********** public function prototypes **********
 
 void initGasLiqXferPumpDriver( void );
-void setAirPumpMotorPower( U08 power );
-U08 getAirPumpMotorPower( void );
+void setAirPumpMotorPower( F32 power );
+F32 getAirPumpMotorPower( void );
 
 BOOL testSetAirPump( MESSAGE_T *message );