Merge pull request #495 in VECTO/vecto-sim from...

Merge pull request #495 in VECTO/vecto-sim from ~EMQUARIMA/vecto-sim:feature/VECTO-545-no-calculation-settings-in-engineering to master

* commit 'd89b228b':
  update help on engine dialog
  update help on settings dialog

Documentation/User Manual/1-user-interface/C_settings.md

 ##Settings
 
 
-![](pics/Settings.svg)
+![](pics/Settings.PNG)
 
 
 ###Description
@@ -20,16 +20,12 @@ File Open Command
 
 ###Calculation Settings
 
+<div class="engineering">
 Air Density \[kg/m³\]
 :	The Air Density is needed to calculate the air resistance together with the **Drag Coefficient** and the **Cross Sectional Area** (see [Vehicle Editor](#vehicle-editor)).
 
-Fuel Density \[kg/l\]
-:	The Fuel Density is used to calculate the l/km results.
-
-CO~2~ -to-Fuel Ratio\[-\]
-:	Mass ratio (kg~CO2~ / kg~FC~) used to calculate CO~2~ emissions.
-
-These  settings are only used in Engineering mode. In Declaration mode the default values are used.
+This  setting is only used in Engineering mode. In Declaration mode the default value of 1.188 \[kg/m³\] is used.
+</div>
 
 ###Controls
 

Documentation/User Manual/1-user-interface/G_ENG-Editor.md

@@ -24,6 +24,9 @@ Idling Engine Speed \[rpm\]
 Displacement \[ccm\]
 :   Used in [Declaration Mode](#declaration-mode) to calculate inertia.
 
+Fuel Type
+:   Used to compute derived results such as fuel consumption in liters and CO2 values. This parameter influences the CO2-to-fuel ratio and fuel density. The actual values can be looked up in [FuelTypes.csv](../Declaration/FuelTypes.csv).
+
 Inertia including Flywheel \[kgm²\]
 :   Inertia for rotating parts including engine flywheel. In [Declaration Mode](#declaration-mode) the inertia is calculated  depending on the engine's displacement and also accounts for the clutch's inertia.