Automatic merge of T1.5.1-1806-g5522fc5fa and 11 pull requests

- Pull request #570 at 362e4e7: glTF 2.0 support with PBR lighting
- Pull request #1062 at bbc0013: Train Forces popup Window.
- Pull request #1064 at 1be1fc4: Add Train Info tab to Help window (F1)
- Pull request #1067 at f385422: Traction and dynamic brake retardation
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #1074 at e9a66c1: Gradient - commit 2024-16-12
- Pull request #1076 at 3bbd537: Allow depart early
- Pull request #1085 at 37e2817: updates key commands for Train Operations window and also Daylight Offset
- Pull request #1086 at e10390b: Add Settings Exporter tool (copy settings to INI, etc)
- Pull request #1082 at 5845a1a: Allow variable water level in glass gauge
- Pull request #1081 at 689494b: Brake cuts power unification

Author: openrails-bot

Source/Documentation/Manual/driving.rst

@@ -202,7 +202,8 @@ F1 Information Monitor
 ----------------------
 
 The F1 key displays the following set of panels in a tabbed format, 
-selected by clicking with the mouse on the desired heading:
+selected by clicking with the mouse on the desired heading or
+using ``<Shift+F1>`` to step through the tabs:
 
 ``Key Commands``: displays the actions of the keyboard keys
 
@@ -231,6 +232,11 @@ completed, the string ``Done`` appears in the last column:
 
 ``Procedures``: basic instructions for driving trains in Open Rails.
 
+``Train Info``: information about the player train.
+
+.. image:: images/driving-traininfo.png
+  :align: center
+  :scale: 80%
 
 F3 
 ----------------