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2-6 Operation

Programming Locos on the Main Track

Programming on the Main Track can save you the effort of moving a loco to the Program Track for programming. However, you have to know the loco address in order to program on the Main Track. Otherwise you have to program the loco on the Program Track. Not all decoders support the Program on Main feature. Please read your decoder’s manual to check whether the decoder supports this feature.

  • 1.

    Make sure your Cab is allowed to program on the Main Track

  • 2.

    To program on the Main Track, press PROG to select “Prog Main Track”. Press ENTER. The current loco address will flash, prompting you to program the current loco.

  • 3.

    To program the current loco, press ENTER; to program another loco, enter its address and press ENTER.

  • 4.

    The rest of the programming procedures are the same as the Programming on Program Track procedures (see above). We recommend you bring the loco to a stop before programming because if the moving loco has a bad pickup, it may fail to receive the program command, causing a malfunction.

Reading Loco s Decoder Values on the Program Track

(Prodigy Advance Cab only) The Prodigy Express DCC system gives you the ability to read back CV values of a decoder equipped loco on the Program Track. This feature is useful if you do not remember the decoder address or what CV values your decoder has. Not all decoders support this feature. Please read your decoder’s manual to check whether it supports this feature. Even with decoders the support read CV feature, the unit may fail to read out the decoder’s CV. When this happens please don’t send the unit for repair. Reading CV’s is not 100% accurate.

  • 1.

    Place the loco on the Program Track.

  • 2.

    Press PROG to select “rEAd Prog Track” then press ENTER.

  • 3.

    First, “Adr” will flash, prompting you to read the loco address. Press ENTER to read or press SHIFT to skip to the next item. It may take several seconds to retrieve the address. If the decoder does not support read back feature, you will receive an “Err” (Error message).

  • 4.

    Next, “SV” will flash, prompting you to read the Start Voltage. Press ENTER to read or SHIFT to skip.

  • 5.

    Next, “Acc” will flash, prompting you to read the acceleration rate. Press ENTER to read or SHIFT to skip.

  • 6.

    Next, “dEc” will flash, prompting you to read the deceleration rate. Press ENTER to read or SHIFT to skip.

  • 7.

    Next, “TV” will flash, prompting you to read the Top Voltage. Press ENTER to read or SHIFT to skip.

  • 8.

    Finally, “CV#” will flash, prompting you to read a CV. To read a CV, enter a CV number and press ENTER. After reading a CV, press ENTER. “CV#” will flash again, prompting you to read another CV. To end the read process, press ENTER.

MRC Prodigy Advance

Configuration Variables – CVs

Configuration Variables, also known as CVs, receive and hold entered data that allow the decoder to be tailored to a specific loco or accessory. Some CVs are also called registers.

The Prodigy Express DCC system allows you to perform most basic programming without having to concern yourself with CVs or registers. Of course, if you want to program CVs to custom tailor your decoders or select certain functions, the Prodigy Express has this capability.

Most Commonly Used CVs

The CVs listed on the chart below are contained in almost all decoders, with additional CVs for extra functions – sound or light – in more specialized decoders. See the decoder manufacturer’s instruction manual for a list of CVs contained in that specific decoder and what values to enter for those CVs.

1

1

Short address

2

2

Start voltage

3

3

Acceleration rate (momentum)

4

4

Deceleration rate (momenturm)

5

---

Top voltage

6

---

Mid voltage

7

---

Manufacturer version #

8

---

Manufacturer ID #

17

---

Extended address - upper & lower bytes, 4 digit address

18

---

Extended address - upper & lower bytes, 4 digit address

19

---

Advance consist

29

5

Configuration data #1

CV #

Register #

Function

A Word About CV #29 CV29 is the most important CV of the decoder. Improperly programming the CV29 may cause decoder malfunction. We do not recommend you program CV29 yourself because the unit will take care of it for you in most cases. When you program your decoder’s address with Prodigy Express, it will automatically program CV29. However, for some QSI® sound decoders that talk, you need to program CV29 with value of 2 for a short address (1-127) and program CV29 with value of 34 for a long address (128-9999). If you want to reverse the loco’s polarity or set 14 speed steps, you have to reprogram CV29 after programming the loco’s address. Please use the following table to reprogram CV29. The value of CV29 depends on the loco’s address. For further information about CV29, visit the Resource section of our website.

MRC Prodigy Advance

Operation 2-7

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