@startuml Treatment Parameters Adjustment

    participant TD                  as TD
    participant SW                  as SW
    participant UI                  as UI
    actor       USER                as US

    'Possible actions and interaction types
    ' TD -> SW: MSG: Message
    ' SW -> TD: MSG: Message
    ' SW -> UI: CMD: command
    ' UI -> SW: ACT: Action
    ' US -> UI: User actions are:
    '   ENT: User enters a value or string
    '   TCH: User touches a button (RadioButton, CheckBox, ...)
    '   SET: User sets/slides a slider
    '   SCL: User scrolls a flipable area
    '
    'Messages conventions:
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,<P..>]
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,# certain amount of parameters according to the content]
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,X The rest of the parameters do not matter.]

    == Pressure Limit Windows Adjustment ==
    US -> UI: TCH: Pressure Limit Windows Adjustment Button
    UI -> US: ACT: Open Pressure Limit Windows Adjustment Screen
    US -> UI: SET: Change Pressure Limit Windows
    US -> UI: TCH: Confirm Button
    UI -> SW: ACT: User Confirm Pressure Limit Windows Adjustment
    SW -> TD: MSG: [x78: Req arterial_mmHg, venous_mmHg, venousAsymmetric_mmHg, tmp_mmHg]\nPressure Limit Windows Change Request
    alt accepted
        TD -> SW: MSG: [x79: Rsp 1, X, arterial_mmHg, venous_mmHg, venousAsymmetric_mmHg, tmp_mmHg]\nPressure Limit Windows Change Response
        SW -> UI: CMD: Accepted Pressure Limit Windows Change
        UI -> US: ACT: Close Pressure Limit Windows Adjustment Screen
    else rejected
        TD -> SW: MSG: [x79: Rsp 0, rejectedReason, X]\nPressure Limit Windows Change Response
        SW -> UI: CMD: Rejected Pressure Limit Windows Change
        UI -> US: ACT: Display Rejection Reason
    end

    == Fluid Bolus Volume Adjustment ==
    US -> UI: TCH: Fluid Bolus Volume Adjustment Button
    UI -> US: ACT: Open Fluid Bolus Volume Adjustment Screen
    US -> UI: SET: Change Fluid Bolus Volume
    US -> UI: TCH: Confirm Button
    UI -> SW: ACT: User Confirm Fluid Bolus Volume Adjustment
    SW -> TD: MSG: [x80: Req bolusVolume_mL]\nFluid Bolus Volume Change Request
    alt accepted
        TD -> SW: MSG: [x81: Rsp 1, X, bolusVolume]\nFluid Bolus Volume Change Response
        SW -> UI: CMD: Accepted Fluid Bolus Volume Change
        UI -> US: ACT: Close Fluid Bolus Volume Adjustment Screen
    else rejected
        TD -> SW: MSG: [x81: Rsp 0, rejectedReason, X]\nFluid Bolus Volume Change Response
        SW -> UI: CMD: Rejected Fluid Bolus Volume Change
        UI -> US: ACT: Display Rejection Reason
    end

    == Treatment Duration Adjustment ==
    US -> UI: TCH: Treatment Duration Adjustment Button
    UI -> US: ACT: Open Treatment Duration Adjustment Screen
    US -> UI: SET: Change Treatment Duration
    US -> UI: TCH: Continue Button
    SW -> TD: MSG: [x83: Req duration_min]\nTreatment Duration to Validate Request
    alt accepted
        TD -> SW: MSG: [x42: Rsp 1, X, duration_min, ufVolumeGoal_mL, ufRate_L_hr]\nTreatment Duration to Validate Response
        SW -> UI: CMD: Treatment Duration Validate Response Triggered
        UI -> US: ACT: Open Treatment Duration Adjustment Confirm Screen
        US -> UI: TCH: Confirm Button
        UI -> SW: ACT: User Confirm Treatment Duration Adjustment
        SW -> TD: MSG: [x66: Req volumeMl]\nTreatment Duration Adjustment Confirm Request
        alt accepted
            TD -> SW: MSG: [x67: Rsp 1, X, duration_min, ufVolumeGoal_mL, ufRate_L_hr]\nTreatment Duration to Validate Response
            SW -> UI: CMD: Treatment Duration Validate Response Triggered
            UI -> US: ACT: Close Adjust Ultrafiltration Confirm
        else rejected
            TD -> SW: MSG: [x67: Rsp 0, rejectedReason, X]\nUltrafiltration User Confirm Settings Change Request
            SW -> UI: CMD: Confirmed Ultrafiltration Settings
            UI -> US: ACT: Display Rejection Reason
        end
    else rejected
        TD -> SW: MSG: [x42: Rsp 0, rejectionReason, X]\nTreatment Duration to Validate Response
        SW -> UI: CMD: Treatment Duration Validate Response Triggered
        UI -> US: ACT: Display Rejection Reason
    end

    == Treatment Set Points Adjustment ==
    US -> UI: TCH: Treatment Set Points Adjustment Button
    UI -> US: ACT: Open Treatment Set Points Adjustment Screen
    US -> UI: SET: Change Treatment Set Points
    US -> UI: TCH: Confirm Button
    UI -> SW: ACT: User Confirm Treatment Set Points Adjustment
    SW -> TD: MSG: [x80: Req bloodFlowRate_mL_min, dialysateFlowRate_mL_min,\ndialysateTemperature_deg_C, acidConcentrate, bicarbConcentrate]\nPressure Limit Windows Change Request
    alt accepted
        TD -> SW: MSG: [x81: Rsp 1, X, bloodFlowRate_mL_min, dialysateFlowRate_mL_min,\ndialysateTemperature_deg_C, acidConcentrate, bicarbConcentrate]\nTreatment Set Points Change Response
        SW -> UI: CMD: Accepted Treatment Set Points Change
        UI -> US: ACT: Close Treatment Set Points Adjustment Screen
    else rejected
        TD -> SW: MSG: [x81: Rsp 0, rejectedReason, X]\nTreatment Set Points Change Response
        SW -> UI: CMD: Rejected Treatment Set Points Change
        UI -> US: ACT: Display Rejection Reason
    end

    == Quick Treatment Set Point - Blood Flow Rate ==
    US -> UI: TCH: Blood Flow Rate Increment or Decrement Button
    UI -> SW: ACT: User Blood Flow Rate Adjustment
    SW -> TD: MSG: [x95: Req bloodFlowRate_mL_min]\nBlood Flow Rate Change Request
    alt accepted
        TD -> SW: MSG: [x96: Rsp 1, X, bloodFlowRate_mL_min]\nBlood Flow Rate Change Response
        SW -> UI: CMD: Accepted Blood Flow Rate Change
    else rejected
        TD -> SW: MSG: [x96: Rsp 0, rejectedReason, X]\nBlood Flow Rate Change Response
        SW -> UI: CMD: Rejected Blood Flow Rate Change
        UI -> US: ACT: Display Rejection Reason
    end

    == Quick Treatment Set Point - Dialysate Flow Rate ==
    US -> UI: TCH: Dialysate Flow Rate Increment or Decrement Button
    UI -> SW: ACT: User Dialysate Flow Rate Adjustment
    SW -> TD: MSG: [x97: Req dialysateFlowRate_mL_min]\nDialysate Flow Rate Change Request
    alt accepted
        TD -> SW: MSG: [x98: Rsp 1, X, dialysateFlowRate_mL_min]\nDialysate Flow Rate Change Response
        SW -> UI: CMD: Accepted Dialysate Flow Rate Change
    else rejected
        TD -> SW: MSG: [x98: Rsp 0, rejectedReason, X]\nDialysate Flow Rate Change Response
        SW -> UI: CMD: Rejected Dialysate Flow Rate Change
        UI -> US: ACT: Display Rejection Reason
    end

    == Quick Treatment Set Point - Dialysate Temperature ==
    US -> UI: TCH: Dialysate Temperature Increment or Decrement Button
    UI -> SW: ACT: User Dialysate Temperature Adjustment
    SW -> TD: MSG: [x97: Req dialysateTemperature_deg_C]\nDialysate Temperature Change Request
    alt accepted
        TD -> SW: MSG: [x98: Rsp 1, X, dialysateTemperature_deg_C]\nDialysate Temperature Change Response
        SW -> UI: CMD: Accepted Dialysate Temperature Change
    else rejected
        TD -> SW: MSG: [x98: Rsp 0, rejectedReason, X]\nDialysate Temperature Change Response
        SW -> UI: CMD: Rejected Dialysate Temperature Change
        UI -> US: ACT: Display Rejection Reason
    end
@enduml