DD40AX Diesel Engine
5
PS 3.0 Enhancements
There are 4 options for operating your MTH Proto-Sound 3.0-equipped engine;
-Conventional AC
-Conventional DC
-DCS [MTH Digital Command System]
-DCC
When the locomotive is placed on the track and power is applied to the track the
locomotive will detect the type of control system being used and respond accordingly.
Below is an overview of the 4 different systems.
NOTE: You’ll need to have the DCC/DCS switch set correctly if your using one of
those two modes.
Here are some of the exciting changes incorporated into your new MTH Proto-Sound
3.0 Locomotives. More advanced features such as Custom Speed Tables and Advanced
Consisting can be found in the DCC section of this manual.
Conventional (Analog) AC/DC Start-up/Shut-down
Your new MTH PS3.0-equipped locomotive no longer has batteries. It uses Super
Capacitors to hold the engine board alive for a short time when you shut off or interrupt
track power. Because of this, when you first apply track power to your PS3.0equipped O
Gauge engine, you will notice the headlight comes on but nothing else. This is perfectly
normal. The capacitors are charging up during this time. The wait time depends upon
how long it’s been since you last applied power to the engine. Typically it will take 1-15
seconds to fully charge.
NOTE: The 1-15 second charging wait time ONLY applies
when using conventional AC track power.
Once the headlight shuts off, the engine will play its start-up sounds and all the lights will
come back on, simultaneously. Smoke too if you have it turned on.
The capacitors hold enough charge to play the full shut-down sounds. Also, the capacitors
allow you to operate your engine in conventional mode just like you would any other
conventionally-controlled engine. Finally, because there are no batteries, you will notice
there is no longer an external charge jack on the engine.
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