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Squealing Breaks - How to setup the CV's
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Offline Drongo  
#1 Posted : 08 August 2025 08:37:22(UTC)
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Drongo

Australia   
Joined: 03/06/2008(UTC)
Posts: 1,260
Location: Sydney, NSW
Hi Everyone, I've tried to search for this information on this forum and on YouTube without much success. On YouTube I've found a lot of information about car breaks squealing but this is not what I want.

Can someone please explain how to setup the CV's to get the locomotives, with this feature, to work.

Regards
Greg
Take it easy . . . . or any other way you can get it !!!!
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Offline JohnjeanB  
#2 Posted : 08 August 2025 10:19:40(UTC)
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JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 3,601
Location: Paris, France
Hi Greg
First the official Märklin video (alas in German) about the brake sound ("Bremsenquietchen") parameters on mSD3 decoders, using a CS3


Here is a technical paper on the same subject by Märklin
https://www.maerklin.de/fileadmi..._-_Bremsenquietschen.pdf

Among these:
- CV64 Bremsschwelle: the speed value to be reached before any sound brake can be heard when setting the speed to zero
- CV164 Bandbreite: The higher value, the earlier the sound will be triggered
- CV 163 Auslaufkorrectur To adjust the brake sound so that it stops when the loco stops

Additional adjustment value parameters
- CV 4 Bremsverzögerung (BV) Inertia simulation. The highter, the longer it takes to come to a stop
- CV 63 Lautstärke: general sound volume (impacts all sounds

The whole list of CVs by Märklin decoders is here
https://www.maerklin.de/fileadmi...mLD-mSD_CV-Liste_DCC.pdf

I hope this helps. Sorry for the German but often, translations are bizarre
Cheers
Jean


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Offline Drongo  
#3 Posted : 08 August 2025 13:52:52(UTC)
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Drongo

Australia   
Joined: 03/06/2008(UTC)
Posts: 1,260
Location: Sydney, NSW
Thank you very much Jean for the information. Now all I need to do is run it through Google translate.BigGrin

Regards
Greg
Take it easy . . . . or any other way you can get it !!!!
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