M41 2178 “Rattle”

Sound project



  • the sound material of the MÁV M41 type locomotive,
  • the sound material is from recordings of locomotive M41 2178,
  • the recordings were made on 24/01/2020 in the Bp-west end train station – on the Lajosmizse route,
  • 16-bit resolution
  • the sound material
    • freely editable with our DigiSoundEditor sound editing program,
    • can be downloaded freely with our DigiProgram download program,
  • The dtt file under the “Downloads” tab can be opened with an application called DigiProgram, making it easier to see, manage, write and read the locomotive’s CV parameters.
Recommended CV settings:
Name CV register Recommended value
Acceleration CV3 35
Deceleration CV4 15
Basic configuration CV29 9
Other settings CV53 CV60 CV61 100 30 40
Upper headlight settings CV134 CV135 29 133
Adjusting the end lights CV126 CV190 CV130 CV191 29 1 29 2
Cabin lights CV138 CV142 24 23
Disable side lights to F14 CV119 CV131 150 150
Disable side B headlights to F16 CV123 CV127 149 149
Setting function modes CV176 CV177 CV178 CV179 CV180 12 12 2 2 2
Volumes CV220 CV221 CV223 CV224 CV231 200 170 180 120 150
The recommended CV settings apply to MTB M41 locomotives equipped with a DigiSound-5.5 sound decoder.  
Function allocation:  
Function key Voice Volume CV register * Default value
F0 ** basic lighting (2 or 3 white front lights + 2 red locks back)    
F1 engine fan drive brake sound changing direction CV220 CV221 CV222 CV225 CV229 200 170 255 255 255
F2 long horn CV226 255
F3 short horn CV227 255
F4 chassis whistle CV228 255
F5 ** dimming (and headlight off)    
F6 shunting mode    
F7 engine idling    
F8 fan CV221 170
F9 volume adjustment in 2 steps simple volume CV210 double volume CV211 164 80
F10 heating degree    
F11 bogie squeak CV223 180
F12 arc sound CV231 150
F13 wheel click CV224 120
F14 sandbox CV230 255
F15 disconnection CV232 255
F16 coupling CV233 255
F17 locomotive brake (train anchorage) CV234 255
F18 guide whistle CV235 255
F19 voice announcement CV236 255
F20 engine speed    
F21 ** Switching off the driving lights on side A    
F22 ** Switching off the driving lights on side B    
F23 ** A Side cab lighting    
F24 ** B side cab lighting    
F28 mute the sound    
* The volume for the given sound (eg long horn) can be adjusted individually in the indicated CV register! ** With recommended settings for MTB locomotives!