7
RailKing 4-6-2 K-4 Steam Engine
Volume Control –
To adjust the volume of all sounds made by this engine,
turn the master volume control knob located under the engine clockwise to
increase the volume and counter-clockwise to decrease the volume (see Fig. 1).
Proto-Sound 2.0
Volume Adjustment Knob
Figure 1. Location of the Proto-Sound 2.0 Volume Adjustment Knob