Speed Control; Direction Lock - Rail King GS-2 STEAM ENGINE Operating Instructions Manual

Speed Control:

M.T.H. engines equipped with Loco-Sound have speed control capabilities
that allow the engine to maintain a constant speed up and down grades and
around curves, much like an automobile cruise control. You can add or drop
cars on the run, and the engine will maintain the speed you set.
While the engine is programmed to start with the speed control feature
activated, you can opt to turn it off. This means the engine's speed will fall as
it labors up a hill and increase as it travels downward. It is also affected by
the addition or releasing of cars while on the run.
To turn speed control on and off, put the engine in neutral, then press the
transformer's Whistle button firmly but quickly one time then immediately
press the Bell button two times. Repeat the 1 whistle, 2 bells code to return it
to the other condition. You will want to do this during the initial neutral
upon start-up if you ever couple this engine to another engine that is not
equipped with speed control to avoid damaging the motors in either
engine. Each time you shut down the engine completely, it will automatically
turn speed control on.

Direction Lock:

You can lock your engine into a direction (forward, neutral, or reverse) so that
it will not change directions. To do this, put the engine into the direction you
want or into neutral, to lock it into neutral, run it at a very slow speed (< 10
scale mph), and quickly but firmly press your transformer's Whistle button
once followed immediately by three presses of the Bell button. The engine
will not change direction (including going into neutral) until you repeat the 1
whistle, 3 bells code to return the engine to its normal condition.
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RailKing Gs-2 Steam Engine