Diesel Version 5:Random Sounds
There are four random sound modules in the WOWSound decoder.
Each random sound module has its own timer but all of them are also controlled by a master timer in CV139. If you want to adjust all of the random sound timers or find that you can't get the desired play frequency using the individual timers try adjusting the overall random sound timer
Random Sound One
Random Sound One is reserved for use by the air compressor. The air compressor will play over time as air leaks out of the reservoir or whenever a lot of air is used for the train breaks or horn (try it out, its fun!)
When the Prime mover is changed from Audio Assist™ the air compressor sound automatically changes to the prototypical compressor for that prime mover. The compressor assigned to Random Sound 1 can also be manually changed on Audio Assist menu 1.2 or through CV programming. When adjusting the air compressor in Audio Assist be sure to select "Random Sound One" as the function your mapping a sound to.
The Frequency that Random Sound One plays (how leaky your air reservoir and linkage is!) is controlled by CV141
Random Sound two
Random Sound Two by default is an "Air Spitter"
The frequency at which the random sound plays is controlled by CV142
Random Sound Three
Random Sound Three by default is unassigned
The frequency at which the random sound plays is controlled by CV143
Random Sound Four
Random Sound Four by default is unassigned
The frequency at which the random sound plays is controlled by CV144