 Joined: 15/02/2021(UTC) Posts: 213 Location: Quebec, Montreal
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All my Marklin mfx locos have a funny « glitch » and I wonder if something can be done about it.
When you go pass a certain speed and then throttle down again the sound which was at a certain level suddenly almost becomes quiet and then after a delay of a few second seems to come back louder.
Is this normal? Does ECU sound card do the same?
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 Joined: 05/09/2014(UTC) Posts: 676 Location: NEW HAMPSHIRE, Somersworth
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I have a lot of mfx locos and I have never experienced that problem. I have run them on two different layouts with two different CS3+ controllers and a MS2. Is it all your locos and what controller are you using?
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 Joined: 04/02/2011(UTC) Posts: 3,563 Location: Paris, France
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Originally Posted by: Puttputtmaru  All my Marklin mfx locos have a funny « glitch » and I wonder if something can be done about it.
When you go pass a certain speed and then throttle down again the sound which was at a certain level suddenly almost becomes quiet and then after a delay of a few second seems to come back louder.
Is this normal? Does ECU sound card do the same? Hi For steam locos, this is quite normal and reflects reality: - when a steam engine produces a lot of effort, it is very loud - when a steamer goes downhill or slows down, then the engineer reduces the steam intake to reduce the effort. This is why steam is silent on Märklin locos - sometimes even, the engineer starts countersteam which is loud but not reproduced in our miniature trains So this is not a failure but an intended situation Cheers Jean |
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 2 users liked this useful post by JohnjeanB
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 Joined: 04/08/2018(UTC) Posts: 1,156
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Hi As JohnjeanB worote, its normal. And is possible to adjust the settings on the newest mfx locomotives if you have a CS3/CS2 connected to a pc. ref this post: https://www.marklin-users.net/forum/posts/t47388-Reprogramming-Factory-fitted-decodersThe following adjustments are possible, in the mDecoderTool. Loaded is default to full, and is regulated by the main volume. normal running (Laut Normallast). is constant speed on flat tracks. (the value 200 is in reference to the main volume) Unloaded (Laut Leerfall), is the chuffs when slowing down or going downhill. the value 35 is quite low and I usually adjust it up to around 80-100 standing still(lautsterke Grundrauschen) is the constant steam hissing you have when the locomotive is standing still. 255 is quite loud so i personaly adjust this down. the "Grundrauschen" volume is only available in recent locomotives with new decoder projects. eg in the 844. (recently Marklin made a change in their sound configuration files) an example screenshot from mdecodertool. Double click on the Running Sound and you will get the menu.  Please note that if you scroll down in this menu, using a scroll wheel on the mouse, it's easy to accidentally change other values, and completely mess up the chuffing. After the changes are done, you have to upload the entire project to the locomotive, which means settings and sound. (takes around 45-50 min). and of course at your own risk.
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1 user liked this useful post by bph
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Joined: 15/02/2021(UTC) Posts: 213 Location: Quebec, Montreal
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Originally Posted by: JohnjeanB Originally Posted by: Puttputtmaru All my Marklin mfx locos have a funny « glitch » and I wonder if something can be done about it.
When you go pass a certain speed and then throttle down again the sound which was at a certain level suddenly almost becomes quiet and then after a delay of a few second seems to come back louder.
Is this normal? Does ECU sound card do the same? Hi For steam locos, this is quite normal and reflects reality: - when a steam engine produces a lot of effort, it is very loud - when a steamer goes downhill or slows down, then the engineer reduces the steam intake to reduce the effort. This is why steam is silent on Märklin locos - sometimes even, the engineer starts countersteam which is loud but not reproduced in our miniature trains So this is not a failure but an intended situation Cheers Jean Thanks for setting this straight, I run steam only at fast pace, I have diesel in the yards so it never dawned on me to try them in the same manner as my steam locos.
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Joined: 15/02/2021(UTC) Posts: 213 Location: Quebec, Montreal
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Originally Posted by: bph Hi As JohnjeanB worote, its normal. And is possible to adjust the settings on the newest mfx locomotives if you have a CS3/CS2 connected to a pc. ref this post: https://www.marklin-users.net/forum/posts/t47388-Reprogramming-Factory-fitted-decodersThe following adjustments are possible, in the mDecoderTool. Loaded is default to full, and is regulated by the main volume. normal running (Laut Normallast). is constant speed on flat tracks. (the value 200 is in reference to the main volume) Unloaded (Laut Leerfall), is the chuffs when slowing down or going downhill. the value 35 is quite low and I usually adjust it up to around 80-100 standing still(lautsterke Grundrauschen) is the constant steam hissing you have when the locomotive is standing still. 255 is quite loud so i personaly adjust this down. the "Grundrauschen" volume is only available in recent locomotives with new decoder projects. eg in the 844. (recently Marklin made a change in their sound configuration files) an example screenshot from mdecodertool. Double click on the Running Sound and you will get the menu. Please note that if you scroll down in this menu, using a scroll wheel on the mouse, it's easy to accidentally change other values, and completely mess up the chuffing. After the changes are done, you have to upload the entire project to the locomotive, which means settings and sound. (takes around 45-50 min). and of course at your own risk. Thanks for that I will give it a try (« at my own risk »  ) just to try to tone down the transition. Although this is, as mentioned by johnJeanB, prototypical the transition is so abrupt that it becomes a bit annoying to my ears. Anyway thanks all for setting me straight and for the help.
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2 users liked this useful post by Puttputtmaru
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Joined: 10/02/2021(UTC) Posts: 3,893 Location: Michigan, Troy
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If you only change the volume CV value in the set up menu, but not also the configuration menu, does it remain that upon shut down and restarting the CS3?
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Joined: 04/02/2011(UTC) Posts: 3,563 Location: Paris, France
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Hi Originally Posted by: marklinist5999 If you only change the volume CV value in the set up menu, but not also the configuration menu, does it remain that upon shut down and restarting the CS3? Any change you make on a loco through its CVs is stored IN the loco. When re-booting, the CS3 needs to re-read the value before doing any change (loco/edit,etc) Normally, you reboot the CS3 and just use the loco. It remembers everything Cheers Jean |
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1 user liked this useful post by JohnjeanB
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