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Transformer operations
Your locomotive's reverse unit
T
he reverse unit inside your Lionel locomotive is an electronic device that acts like the transmis-
sion in your car. When you apply power to the track, the locomotive moves in the direction
specified by the reverse unit—or it sits in neutral, awaiting another power interruption. Power
interruptions are the signal that tells the reverse unit to sequence to the next operational state.
To interrupt power and sequence the locomotive's reverse unit, press the direction control button
or turn the throttle to the OFF position and ON again. The reverse unit alternates between three
states: forward, neutral, and reverse.
Also, the locomotive can be "locked" into a certain mode of operation by throwing the switch
located on the underside of the frame (see illustration below). When the switch is thrown to the OFF
position, the locomotive will be locked in the next mode of operation in the sequence. For instance,
if the locomotive is moving forward, then is stopped and the switch is thrown back, the locomotive
will be "locked" in neutral. If the switch is thrown back while the locomotive is under power, the
locomotive will remain in the mode it was in when the switch was thrown. The controller direction
control will then have no affect on the direction of the locomotive.
Additionally, this reverse unit has a "power-up reset" feature, which means that should the loco-
motive sit without power for a short period of time, the reverse unit will automatically reset and
start in the forward direction when the transformer is turned on or "powered up," regardless of the
locking switch position. If the locking switch is in the Off position, the locomotive will start in the
forward direction and be "locked" there.
Pressing the whistle button on your controller will produce a realistic whistle sound from the ten-
der. If the whistle fails to operate, remove the wires from the lockon and reinsert each one into the
opposite clip to reverse polarity.
If your controller doesn't have a whistle button, you may use the Lionel Sound Activation Button
#10-5906-001, available separately.
With your reversing unit, positioning the switch in the ON position locks your engine into its last mov-
ing direction. Positioning the switch in the OFF position resumes normal sequencing operation.
OFF
ON
ON
OFF
6
Reverse
unit lockout
Smoke on/off
switch
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