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LokSound v3.5 - No "chuffing" at speed 1
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Offline Hobbit  
#1 Posted : 06 October 2009 08:50:51(UTC)
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Hobbit


Joined: 07/03/2006(UTC)
Posts: 232
Location: Australia
I am experimenting with the generic steam sound project which I downloaded from the ESU site into a LokSound v3.5 decoder. I manged to get it working except for one small detail; when I tried to synchronise the chuffs to the wheel revolutions I could not follow the instructions in the manual as I cannot get any chuffs happening at speed step 1. The loco moves but it does not chuff. I can however get chuff at all other speeds.

I managed to get a reasonable synchronisation using speed steps 2 and 3 instead of 1 and 2 so that is ok, but what do I have to do to get chuffs at speed 1?

There is no place like The Shire...
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Offline Lollo  
#2 Posted : 06 October 2009 13:44:26(UTC)
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Lollo

New Zealand   
Joined: 22/06/2009(UTC)
Posts: 365
Hi Hobbit,
Check that CV57 is not set to 0. Default for steam is 20.
If set at 0 it is expecting trigger from a wheel sensor.
0 is also default for Diesel.

This info below from Loksound manual V3.5
cv57.
Sound mode 1 Multiplied by 0,64 is the time in seconds 0-127
between two chuff sounds at speed step 1.
Value 0 indicates that period between LokSound
exhaust chuffs is controlled by a wheel sensor
Steam: 20 Diesel: 0

Regards,
Brian.
Brian
Yaasan's Desktop Station/Railuino & Marklin MS2, DB Era III/IV Diesel & Steam, ESU Loksound/Lokpilot & Lokprogrammer, Marklin mSD, Tam Valley Depot Octopus III Servo Controller.
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Offline Hobbit  
#3 Posted : 06 October 2009 15:42:51(UTC)
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Hobbit


Joined: 07/03/2006(UTC)
Posts: 232
Location: Australia
For the best synchronisation I had to set CV57 to 42 for the 3 cylider BR01 and CV is also set to 42.
The speed curve is set to manual 28 steps. Step 1 has a value of 1, Step 2 = 2, 28 = 140
There is no place like The Shire...
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Offline H0  
#4 Posted : 06 October 2009 16:49:38(UTC)
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H0


Joined: 16/02/2004(UTC)
Posts: 15,444
Location: DE-NW
BR 01 has two cylinders (four chuffs per rotation).
BR 01.10 has three cylinders (six chuffs per rotation).
Regards
Tom
---
"In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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Offline Hobbit  
#5 Posted : 07 October 2009 06:01:50(UTC)
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Hobbit


Joined: 07/03/2006(UTC)
Posts: 232
Location: Australia
Thanks. I meant to write BR01.10. So I will change it to six instead of three chuffs by halving the value in CV57.
Still leaves the problem with no chuffing at speed step 1.
There is no place like The Shire...
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Offline cyberbeast41  
#6 Posted : 07 October 2009 11:08:23(UTC)
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cyberbeast41


Joined: 14/07/2009(UTC)
Posts: 83
Location: ,
Is there chuffing at very low speed in real life?

Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by Hobbit
<br />Thanks. I meant to write BR01.10. So I will change it to six instead of three chuffs by halving the value in CV57.
Still leaves the problem with no chuffing at speed step 1.
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