M41 Csörgő – 8bit General Project

Project version 212.1.6
M41 Csörgő – 8bit General Project
8bit

Sound sample

Project Information

  • General-purpose project that leaves room for custom light wiring.
  • Designed for 8-bit ZIMO MX sound decoders.
  • Recommended minimum decoder software version is 40.22.
  • The factory default address is 3.
  • Program CV8 = 8 to reset the decoder to the project defaults.

Function Assignment

Function mapping and CV settings can be modified.

  • F0 White marker lights
    Affected function output: FA0v, FA0r
    Direction dependent
  • F1 Spare for lights
    Affected function output: FA1
  • F2 Spare for lights
    Affected function output: FA2
  • F3 Shunting mode
    • speed range reduced to ½
    • reduces acceleration / braking times to ¼ of CV3 and CV4
    • triggers a short horn at start
  • F4 Short horn
  • F5 Coasting
    Idle sound regardless of set speed
  • F6 Engine to maximum RPM
    Independent of set speed, even when stationary
  • F7 Long horn
  • F8 Sound on/off
    Engine on/off
  • F9 Unused
  • F10 Short whistle
  • F11 Long whistle
  • F12 Screw coupler down
  • F13 Screw coupler up
  • F14 Sanding
  • F15 Dispatcher whistle – new
    Call to readiness
  • F16 Dispatcher whistle – old
    Call to readiness, departure
  • F17 Compressor
    Also random sound
  • F18 Unused
  • F19 Wheel squeal in curves
  • F20 Heating
  • F21 Ventilator
  • F22 Unused
  • F23 Unused
  • F24 Unused
  • F25 Unused
  • F26 Mute sounds
  • F27 Volume down
  • F28 Volume up

Setting Maximum Speed

Use CV57 to set the top speed. Changing CV5 alters the sound range, while CV57 preserves the CV3/CV4 acceleration and braking times.

Shunting Mode

Marker lights stay off in shunting mode. Turn them on together with the headlight by setting CV37 = 3.

The mode reduces acceleration and braking times to a quarter of the CV3/CV4 values. Disable this behaviour with CV124 = 16 or fully remove the timings with CV124 = 19.

Set CV124 = 0 to disable shunting mode altogether. The default value is CV124 = 18.

A short horn sounds whenever the model starts in shunting mode. The script requires F3 and F8 on plus a start from zero speed. CV837 = 8 disables it.

F5 Coasting vs F6 Engine to Maximum RPM

Coasting takes priority if both functions are active.

Compressor

The script provides two activation modes:

  1. Random operation while F8 is on (enabling F17 cancels it).
  2. Direct activation via F17 that requires F8 on and zero speed.

CV837 = 1 disables F17, CV837 = 2 disables the random mode, and CV837 = 3 disables both.

Curve Squeal

Wheel squeal engages only when F19 and F8 are active and the speed is between 14 and 100 (range 0–126). Set CV837 = 4 to switch it off.

Custom Function Mapping

Custom mapping is available via CV400 – CV428. The project itself does not use these CVs.

Decoder Reset

Program CV8 = 8 (or CV8 = 0) to return to the default project settings.

Basic CV Settings in Project

  • CV3 = 16
  • CV4 = 14
  • CV5 = 1
  • CV6 = 1
  • CV33 = 1
  • CV34 = 2
  • CV35 = 4
  • CV36 = 8
  • CV37 = 0
  • CV38 = 0
  • CV39 = 0
  • CV40 = 0
  • CV41 = 0
  • CV42 = 0
  • CV43 = 0
  • CV44 = 0
  • CV45 = 0
  • CV46 = 0
  • CV57 = 125
  • CV105 = 145
  • CV106 = 5
  • CV124 = 18
  • CV125 = 88
  • CV126 = 88
  • CV127 = 88
  • CV128 = 88
  • CV190 = 3
  • CV191 = 2
  • CV254 = 212
  • CV255 = 1
  • CV256 = 6
  • CV266 = 100
  • CV339 = 6
  • CV340 = 5
  • CV374 = 5
  • CV395 = 130
  • CV396 = 27
  • CV397 = 28
  • CV836 = 0
  • CV837 = 0

Sound Sample Numbers

F4 CV522 27 Short Horn
F7 CV531 26 Long Horn
F10 CV540 24 Short Whistle
F11 CV543 23 Long Whistle
F12 CV546 25 Screw Coupler Down
F13 CV549 29 Screw Coupler Up
F14 CV552 22 Sanding
F15 CV555 30 New Dispatcher Whistle
F16 CV558 31 Old Dispatcher Whistle
F20 CV673 21 Heating
F21 CV676 28 Ventilator
script 20 Compressor
script 32 Wheel Squeal in Curves

"Script" means that the corresponding sound is used inside a script outside the normal CV mapping. The number is provided for standalone use when the script is disabled.