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Model Railroading Scales & Gauges
Scales
Name
Scale
Gauge
Comments
Grand Scale
1:4 and up
254 mm and up
10 in (254 mm). Several large scales exist, but are not strictly model railroading gauges. Instead, they are used mostly in commercial settings, such as amusement park rides.
Live steam
1:08
184 mm or 190.5 mm
Ridable, outdoor gauge, named according to the gauge in inches, and scale in inches per foot, for example 7 1&frasl
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Aug 5th 2025
How to factory-reset a DCC decoder
CrazyModelTrains.com
DCC Decoder Reset Guide for the Kato
Step‑by‑Step Decoder Reset Procedure
1. Identify the Decoder Manufacturer
Place the locomotive on a programming track and read CV 8 to obtain the manufacturer ID:
Digitrax → CV 8 = 12
SoundTraxx → CV 8 = 141
NCE → CV 8 = 11
QSI → CV 8 = 113
ESU LokSound → CV 8 = 151
2. Write the Reset CV
Once identified, program the following values:
Manufacturer
CV(s)
Reset Value(s)
Digitrax (ID 12)
CV 8
8
SoundTraxx
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Aug 2nd 2025