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Special Reverse Unit Options
Reverse Unit Lockout Operation
For operators who wish to lock their engine into a single direction,
Proto-Sound's® unique design eliminates the need for a lock-out switch
on the locomotive. This will allow users to run the engine on layouts
equipped with block signals or stop stations that would normally cycle
the engine back into neutral. Note: The feature must be first turned on
by accessing RESET Feature 40 (See page 23).
Locking the Engine into Single Direction Operation
Cycle the transformer throttle so that your engine is operating in the
direction you wish to lock it in (forward, neutral or reverse). With the
throttle set to approximately 8 volts, press and hold the horn/whistle
button. While holding the horn/whistle button, turn the throttle OFF,
then release the horn/whistle button. After 2 seconds, you will hear a
short whistle blast. IMMEDIATELY turn the throttle back on. The
engine is now locked, and will continue in the previous direction
whenever power is applied to the track.
Unlocking the Engine
With the throttle set to approximately 8 volts, press and hold the
horn/whistle button. While holding the horn/whistle button, turn the
throttle OFF, then release the whistle button. After three seconds, a
single bell will be heard indicating that the engine is unlocked. When
power is again applied, the engine will enter RESET and perform as
normal.
NOTE: When locking the engine in the Forward or Reverse positions,
the horn/whistle button will blow the horn/whistle. But when locking
the engine into the NEUTRAL position, the horn/whistle button may
turn on or off sounds of the bell. Remember, the horn/whistle doesn't
blow in NEUTRAL (unless you programmed it to do so using Reset
Feature 25 - see page 21 for details), only the bell rings.
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RailKing D&RG 4-6-0 Operating Manual
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