Index: firmware/App/Drivers/GLXferPump.h
===================================================================
diff -u -rf049791a4d8b29118e1eb29e351fdca6a1908ffa -rf267032333f872d729d33614f48373eeb6c422d2
--- firmware/App/Drivers/GLXferPump.h	(.../GLXferPump.h)	(revision f049791a4d8b29118e1eb29e351fdca6a1908ffa)
+++ firmware/App/Drivers/GLXferPump.h	(.../GLXferPump.h)	(revision f267032333f872d729d33614f48373eeb6c422d2)
@@ -33,15 +33,14 @@
 
 // ********** 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 );
 U16 getAirPumpMotorRPM( void );
+void setAirPumpMotorPower( F32 power );
+F32 getAirPumpMotorPower( void );
 
 BOOL testSetAirPump( MESSAGE_T *message );