The JMRI Manual
Installing JMRI
Getting Started
Using DecoderPro®
DecoderPro® Programming Modes
The Basic Programmer
The Comprehensive Programmer
The Advanced Programmer
DecoderPro® Main Window
JMRI® Operations Program
Creating a Decoder Definition
Error Messages

DecoderPro® Main Window

Tools Menu

Programmers arrow

  • Single CV Programmer

Opens the Simple Programmer

  • Service Mode Programmer

Opens the Service Mode Programmer.

  • Ops-Mode Programmer

Opens the Ops-Mode Programmer.

  • Multi-Decoder Control

Opens the Multi-Decoder Control window.

Tables arrow (advanced users, beyond the scope of this manual)

A series of tables that are used with PanelPro Panels to automate your layout.

Throttles arrow

  • New Throttle...

Opens a Throttle window (more than one throttle may be in use at a time)

  • Throttles List Window
  • Opens the Local JMRI throttles Window,

      local JMRI throttles
    Opens a new Thottle
    Emergency stop for all Throttles under JMRI control
    Track power control
    Opens the Throttles preferences window

    Use Throttles preferences window to set the desired preferences.

    throttle prefernxces

  • Save Throttle Layout...

Displays the Save dialog box to save your throttle as an XML file to the default folder, in Windows XP: C:\Document and Settings\userName,\JMRI,\throttles. This can be changed in the save dialog box.

  • Open Throttle Layout...

Displays the Open dialog box allowing you to select a throttle file that has been saved in the default folder above, or the location of your choice.

  • Save as Default Throttle Layout

Saves your current Thottle as the default layout

  • Load Default Throttle Layout

Loads the Throttle that you saved as the default

Consisting Tool..

Opens the Consist Control window.

Clocks arrow

Opens Fast Clock Setup window

  • Nixie Clocks

nixie clock

  • LCD Clock

LCD clock

  • Analog Clock

Analog clock

Power Control...

Opens the Power Control Panel, which allows you to turn the power to layout ON/OFF

power control

Turnout Control...

Simple Signal Logic (advanced users, beyond the scope of this manual)

Sensor Groups.... (advanced users, beyond the scope of this manual)


Light Control...

Dispatcher... (advanced users, beyond the scope of this manual)


Send DCC Packet... (not covered in this manual)


USS CTC Tool arrow(advanced users, beyond the scope of this manual)



  • Settings
  • Locations
  • Cars
  • Engines
  • Routes
  • Trains

Start Mini Web Server

Starts a Web Server on your computer. You can access the Index.shtml page using the URL displayed in the dialog.

The JMRI mini web server is meant to be a quick and easy way for model railroaders, not Masters of the Web, to get a web connection to JMRI up and running.

mini server