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Front Coupler:
To fire the front coupler (if your engine has one), quickly tap the Bell button once followed
by four quick taps of the Hor n/Whistle button, allowing approximately ½ second to lapse
between each quick button press. The sound of the liftbar and air line depletion will play,
and the knuckle will be released.
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Speed Control:
M.T.H. engines equipped with Proto-Sound® 2.0 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.
Because the engine will run more slowly at a given throttle voltage when speed control is on
than when it is off, you should adjust the throttle to a lower power level for operation with
speed control off to avoid high-speed derailments. When speed control is off, the volume
will drop to allow for better low voltage operation.
To turn speed control on and off, put the engine in neutral, then quickly tap the
transformer's horn/whistle button one time then quickly tap the Bell button two times,
allowing approximately ½ second to lapse between each quick button press. Repeat the 1
horn/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.
Speed Control
Two Whistle Blasts
=
(indicates change is made)
Repeat to Return
to Normal Condition
Lock into a Direction:
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 crawl (as slowly as it will move without halting), and
quickly but firmly tap the Horn/Whistle button once followed by three quick taps of the
Bell button, allowing approximately ½ second to lapse between each quick button press.
Two horn/whistle blasts will indicate that the engine has made the change. The engine will
not change direction (including going into neutral) until you repeat the 1 horn/whistle, 3
bells code to return the engine to its normal condition, even if the engine is kept without
power for extended periods of time.
Direction Lock
Two Whistle Blasts
=
whistle
(indicates change is made)
Repeat to Return
to Normal Condition
Premier ES44AC Diesel Engine with PS-2 and Proto-Scale 3-2
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