The cabin was reproduced as faithfully as possible. All the features allowed in Trainz were implemented.
In the illustation below, the functional commands are indicated in blue. The mentions in pink concern the not operational elements.
Nota bene : the supply in coal was made by means of a worm, connecting the tender with the boiler (device named 'stoker')
The SNCF 141 P was alert in the starting-up. At first, HP cylinders closed, pressure adjusted to 8 Bars in the LP cylinders, the mechanic pushed gradually the HP regulator. After somme tours of wheel, the regulator was completly pushed then, when the train was openly launched, the mechanic closed the LP regulator. The speed was thereafter adjusted with the HP cutoff wheel.