Index: firmware/App/Controllers/PresOccl.c =================================================================== diff -u -r71370c9aead6b97b6e70cd3780cd6b1f39b1ec1d -r81106b694c47757fb36aaf58942b63fa18faec96 --- firmware/App/Controllers/PresOccl.c (.../PresOccl.c) (revision 71370c9aead6b97b6e70cd3780cd6b1f39b1ec1d) +++ firmware/App/Controllers/PresOccl.c (.../PresOccl.c) (revision 81106b694c47757fb36aaf58942b63fa18faec96) @@ -573,7 +573,8 @@ if ( SW_CONFIG_DISABLE_VALUE == getSoftwareConfigStatus( SW_CONFIG_DISABLE_AIR_PUMP ) ) #endif { - + // When the Air Pump is enabled, we must handle the increase in venous pressure without triggering the alarm. We increase the + // venous high limit while the air pump is on + 1s for the pressure to stabilize once the pump is off. if ( AIR_PUMP_STATE_ON == getAirPumpState() ) { venHighLimit = (F32)getS32TreatmentParamUpperRangeLimit( TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT ) + VENOUS_OFFSET_WITH_AIRPUMP_MMHG;