Index: SDDs/PreTreatment.png
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Index: SDDs/PreTreatment.puml
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--- SDDs/PreTreatment.puml	(revision 0)
+++ SDDs/PreTreatment.puml	(revision 516cfc11a0a54d5ef0e5be8c21324d61091944ef)
@@ -0,0 +1,118 @@
+@startuml PreTreatment
+
+    participant TD                  as TD
+    participant SW                  as SW
+    participant UI                  as UI
+    actor       USER                as US
+
+    'Possible actions and interaction tuypes
+    ' 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.]
+
+    == Pretreatment  ==
+    TD -> UI: [x12] OpMode - PreTreatment
+    alt isStandardMode?
+        UI -> US: ACT: Show Concentrates page
+        US -> UI: TCH: Any instruction step
+        UI -> UI: ACT: Highlight instruction step \
+                    \n\tShow image for instruction step
+        US -> UI: Act: Press Next
+        alt #CEFAD0 Next
+            UI -> UI: ACT: Go to Installation Page
+        end
+    end
+    UI -> US: ACT: Show Installation page
+    US -> UI: TCH: Any instruction step
+    UI -> UI: ACT: Highlight instruction step \
+                \n\tShow image for instruction step
+    alt #CEFAD0 Auto-Load
+        US -> UI: TCH: Auto-Load Button
+        UI -> SW: ACT: Auto-Load Request
+        SW -> TD: MSG: [x92: 0] Request
+        TD -> SW: MSG: [x93: #2]  \n\tResponse:       \
+                    \n\t(U32)  mAccepted\
+                    \n\t(U32)  mReason 
+        SW -> UI: CMD: Rejection Reason 
+        alt #CAE9F5 Accepted: AutoLoad
+            UI -> UI: ACT: Go to Self-Tests  Page
+        else #Pink Rejected 
+            UI -> UI: ACT: Stay on page 
+            UI -> US: ACT: Display rejection reason
+        end
+    else #D0D9CD Back
+        US -> UI: TCH: Back Button
+        UI -> SW: ACT: Back
+        SW -> TD: MSG: [x45: 0] Req \n Initiate Treatment Cancel
+        TD -> SW: MSG: [x12: 3,1] Dat \n OpMode - Standby
+        SW -> UI: CMD: MainHome Screen
+    end
+    UI -> US: ACT: Show Self-Tests page
+    UI -> TD: ACT: TBD - Perform Self Tests
+    TD -> UI: ACT: TBD - Send Self Tests State
+    UI -> US: ACT: Show Self Tests Status
+    US -> UI: Act: Press Next
+    alt #CEFAD0 Next
+        UI -> UI: ACT: Go to Saline Page
+    end
+    UI -> US: ACT: Show Saline page
+    US -> UI: TCH: Any instruction step
+    UI -> UI: ACT: Highlight instruction step \
+                \n\tShow image for instruction step
+    US -> UI: Act: Press Next
+    alt #CEFAD0 Next
+        UI -> UI: ACT: Go to Prime Page
+    end        
+        UI -> US: ACT: Show Prime page
+    UI -> TD: ACT: TBD - Perform Prime
+    TD -> UI: ACT: TBD - Send Prime State
+    UI -> US: ACT: Show PrimeStatus
+    US -> UI: Act: Press Next
+    alt #CEFAD0 Next
+        alt #CAE9F5 Is Water Sample Featured
+            UI -> UI: ACT: Go to Water Sample 
+            UI -> US: ACT: Show Water Sample 
+            US -> UI: TCH: Select pass or fail
+            US -> UI: Act: Press Next
+            alt #CEFAD0 Next Button
+                UI -> UI: ACT: Go to Create Rx
+            end
+        else 
+            UI -> UI: ACT: Go to Create Rx
+        end
+    end
+
+    UI -> US: ACT: Show Create Rx
+    US -> UI: TCH: Select paramters
+    !include common_puml/CreateRxCommon.puml
+    UI -> UI: ACT: Go to UF/ Dialysate 
+    UI -> US: ACT: Show UF/ Dialysate
+    US -> UI: Act: Press Next
+    alt #CEFAD0 Next
+        UI -> UI: ACT: Go to Connect Page
+    end        
+    UI -> UI: ACT: Go to Connect 
+    UI -> US: ACT: Show Connect
+        UI -> UI: ACT: Highlight instruction step \
+                \n\tShow image for instruction step
+    US -> UI: Act: Press Start
+
+    UI -> SW: ACT: PreTreatment Adjustment Start Treatment
+    SW -> TD: MSD: [xXX: ] Request \n PreTreatment Adjustment Start Treatment
+    alt #CEFAD0 Accepted
+        TD -> SW: MSG: [xXX: ] Response \n PreTreatment Adjustment Start Treatment
+        SW -> UI: CMD: Treatment Stack
+        UI -> US: Act: Show Main Treatment
+    end
+@enduml