avl_time_state.md

 # AVL Time State
+
 ```mermaid
 sequenceDiagram
 
-participant "Device Time" as SystemTime
-participant "Last saved Time" as LastValidPosition 
-participant "RTC time if RTC available" as RTC 
-participant "GNSS aka GPS time" as GNSS 
-participant "User time" as UserTime 
+  participant "Device Time" as SystemTime
+  participant "Last saved Time" as LastValidPosition 
+  participant "RTC time if RTC available" as RTC 
+  participant "GNSS aka GPS time" as GNSS 
+  participant "User time" as UserTime 
 
-autonumber
-SystemTime <- LastValidPosition : load last valid time and timestamp not older then build date
-SystemTime <- RTC : load RTC time if time valid flag and timestamp not older then build date
-... any time ...
-SystemTime <- GNSS : load GNSS time if time and date valid and timestamp not older then build date
-RTC <- GNSS : set RTC time if time and date valid and timestamp not older then build date
-... any time ...
-SystemTime <- UserTime : set Time via $PFAL,Sys.SetTime,dd.mm.yy,hh:mm:ss
-RTC <- UserTime : set Time via $PFAL,Sys.SetTime,dd.mm.yy,hh:mm:ss
-... any time ...
-SystemTime -> LastValidPosition : save last Valid pos and time $PFAL,GPS.Nav.SaveLastValid
+  autonumber
+  SystemTime <- LastValidPosition : load last valid time and timestamp not older then build date
+  SystemTime <- RTC : load RTC time if time valid flag and timestamp not older then build date
+  ... any time ...
+  SystemTime <- GNSS : load GNSS time if time and date valid and timestamp not older then build date
+  RTC <- GNSS : set RTC time if time and date valid and timestamp not older then build date
+  ... any time ...
+  SystemTime <- UserTime : set Time via $PFAL,Sys.SetTime,dd.mm.yy,hh:mm:ss
+  RTC <- UserTime : set Time via $PFAL,Sys.SetTime,dd.mm.yy,hh:mm:ss
+  ... any time ...
+  SystemTime -> LastValidPosition : save last Valid pos and time $PFAL,GPS.Nav.SaveLastValid
 
 ```
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