Why do the sounds seem distorted on my MTHTrains BIG BOY Toy?
If the sounds from your MTHTrains Toy seem distorted, particularly when the whistle or bell is used, the overall ProtoSound volume might be too high. Try turning the volume control knob, located on the bottom of the chassis, counter-clockwise to reduce the overall volume level.
Why ProtoCoupler won’t uncouple on the 'Fly' on MTHTrains BIG BOY?
If the ProtoCoupler won’t let the engine uncouple on the 'Fly' with your MTHTrains Toy, the power required to fire the coupler open when the engine is on the 'Fly' may be greater than the ProtoSound system can provide. Unfortunately, the only solution is to stop the engine and fire the coupler in Neutral.
What to do if MTHTrains BIG BOY engine won't lock out?
If the engine won’t lock out into Forward, Neutral, or Reverse even after the short whistle blast sounds on your MTHTrains Toy, you might be waiting too long to turn the throttle back on after the short whistle blast. The power must be turned back on immediately after the short whistle blast sounds, or the engine will go back into RESET.
Why does pressing the whistle button arm the coupler on my MTHTrains BIG BOY Toy?
If pressing the whistle button to activate the bell arms the coupler on your MTHTrains Toy, reduce the voltage on the transformer before pressing the whistle button to activate the bell. The bell will only come on at 8 volts or less.
How to adjust steam volume on MTHTrains BIG BOY Toy?
If the steam volume is off or very low when you try to run your MTHTrains Toy engine, the steam volume might have been programmed to a reduced level or to be silent. To fix this, go to RESET Feature 6 and adjust the volume.
Why does the bell only ring once on my MTHTrains BIG BOY Toy?
If the bell only rings once when you press the whistle button to activate it on your MTHTrains Toy, it's likely that you're trying to ring the bell in RESET instead of neutral. To fix this, interrupt the power twice to enter Neutral, set the voltage at 8 volts or less, and then press the whistle button to activate the bell.
How to unlock MTHTrains BIG BOY Toy engine?
If your MTHTrains Toy engine doesn’t run after powering up the transformer and just sits still with the steam compressor sounds running, the engine is likely locked out in the Neutral position. To resolve this, follow the unlocking procedures in the Lockout Section of the manual.
Why does the whistle sound when I try to ring the bell on my MTHTrains Toy?
If the whistle sounds when you press the whistle button to activate the bell on your MTHTrains Toy, you are likely trying to ring the bell in Forward or Reverse. Remember that the bell only operates in Neutral unless you've programmed ProtoSounds to recognize a separate bell button.
How to fix whistle not working on MTHTrains BIG BOY?
If the whistle doesn't blow when you press the whistle button on your MTHTrains Toy, you might be pressing the button too quickly. Try pressing the whistle button slower, taking about 1 second to fully press it.
What to do if bell comes on instead of whistle on MTHTrains BIG BOY Toy?
If the bell comes on instead of the whistle when you press the whistle button on your MTHTrains Toy, you may be trying to operate the whistle in neutral. The whistle will only work in Forward or Reverse unless you program ProtoSounds through Feature 25.
Explains the DCRU reverse unit and its unique RESET state for advanced functions.
Explains the automatic battery backup system for ProtoSound.
Explains how to access programmable features using throttle commands.
Explains how to lock the engine into a specific direction (Fwd, N, Rev).
Addresses issues related to the whistle sound not working or distorting.
Addresses issues related to the bell sound not working or activating incorrectly.
Addresses issues encountered when the engine enters or exits the RESET phase.
A chart summarizing available RESET features, their defaults, and programming methods.
Contains important safety precautions for using the device and transformer.
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