So i've been tweaking around with the Engine Exhaust Control on the 4-10-2. It is set at 57 as default. I asked Soundtraxx to create a how to video on adjusting the chuff on 3 Cylinder steam engines and Articulated. I decided to try to figure this out myself to also explore the app and the locomotives potential a little more.
Since this is a 3 Cylinder steam engine, I did this.
1. Set the EEC to Default 57.
2. Turned the 3 Cylinder Chuff off.
3. Adjusted the EEC. It seems O Gauge locos should be decreased. This engine sounds good around 47-48.
4. Turned on the 3 Cylinder Chuff.