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2-8 Operation

Decoder address

Decoder address



CV29 = 2

CV29 = 34

CV29 = 3

CV29 = 35

CV29 = 0

CV29 = 32

CV29 = 1

CV29 = 33


Prodigy Advance's default setting Change polarity only Change to 14 speed steps only Change polarity & 14 speed steps


Sometimes more than one loco is needed to haul heavy loads. These grouped locos are known as a multiple unit or a consist. The Prodigy Express DCC system allows you to build consists quickly and easily. There are two types of consisting methods, Advanced Consisting and Universal or Old Style Consisting.

Advanced Consisting (Prodigy Advance and Express)

You can only apply Advanced Consisting to a mobile decoder that has CV19 to support this feature. When you program a loco into an Advanced Consist, you actually program the consist number into the decoder’s CV19, which will override the decoder’s original address. Therefore, the loco will no longer respond to commands addressed to its original address, but rather only to commands addressed to the consist number. All decoders in the consist will receive the command addressed to the consist number at the same time and act as one until you clear the consist. The base unit does not hold the consist information. With Advanced Consists, always remember to clear the consist when you are finished or the locos will still run as part of the consist next time you use them.

Programming Advanced Consists

  • 1.

    Press PROG until “Cons SET” flashes in the LCD display. Then press ENTER.

  • 2.

    “Cons #” will display, prompting you to enter a consist number. Enter a consist number (a short address 1-127) followed by ENTER.

Write down the consist number. You will need it later to clear the Advanced Consist.

  • 3.

    “Add Loco” will display, prompting you to add a loco into the consist group. Enter the address of a loco you want to add. Press DIRECTION if you want the loco’s direction reversed (forward is the default setting). Then press ENTER.

  • 4.

    “Add Loco” will display again, prompting you to add another loco into the consist group. You can add as many locos into the consist as you would like. To end programming, press ENTER.

Running Advanced Consists Running Advanced Consist is just like running a single loco.

MRC Prodigy Advance



Loco Address (Addr): The address is the number assigned to a decoder to identify the decoder.

Start Voltage (ST): This is the voltage required to start the loco’s motor and overcome its weight and friction to make it begin to move. You can program your loco with a start voltage so that it will begin to move as soon as the throttle is turned.

Top Voltage (TV): The top voltage (top speed) is the voltage (speed) at full throttle. The Prodigy Express top end voltage is set for maximum output. If you are running a switcher, you may want the top end voltage to be less than full output for more realistic performance at top throttle setting.

Acceleration Rate (Acc): This rate simulates the drag of a heavy load as the loco speeds up so when you increase the speed setting, the loco will gradually increase its speed.

Deceleration Rate (dEc): This rate simulates the drag of a heavy load as the loco slows down so when you decrease the speed setting, the loco will gradually decrease its speed.

Programming Loco on the Program Track

  • 1.

    Make sure your Cab is allowed to program on the Program Track.

  • 2.

    Place the loco on the Program Track. Press PROG to select “Prog Prog Track”. Press ENTER.

  • 3.

    First, “Adr” will flash, prompting you to program the loco address. Using

    • 0

      - 9, enter the loco address followed by ENTER, or press ENTER to skip.

For the beginner or if you want to only program the loco address, you can stop right here. Put the loco back on the Main Track. Select the loco by pressing LOCO then enter the loco address and press ENTER. Now you can run the loco.

  • 4.

    Next, “SV” will flash, prompting you to program the Start Voltage. Input data and then press ENTER.

  • 5.

    Next, “Acc” will flash, prompting you to program the acceleration rate. Input data and then press ENTER.

  • 6.

    Next, “dEc” will flash, prompting you to program the deceleration rate. Input data and then press ENTER.

  • 7.

    Next, “TV” will flash, prompting you to program the Top Voltage. Input data then press ENTER.

  • 8.

    Finally, “CV#” will flash, prompting you to program a CV (Configuration Variable).

At this point, you have already finished most of the decoder programming. You can stop programming here by pressing ENTER. The Prodigy Advance allows you to enjoy your model railroading without having to deal with such questions as: What is a CV? What is it for? How do I program it?

9. If you want to program a CV, enter a CV number. Press ENTER. Then enter CV data. Press ENTER. “CV#” will flash again, prompting you to program another CV. To skip, press ENTER.

Programming a CV with incorrect data can cause a decoder malfunction. Read your decoder manual carefully before programming a CV. Also, read the Configuration Variables section on the next page.

MRC Prodigy Advance

Operation 2-5

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