2Table of ContentsVersion Number ............................................................................................................................................ 5Audio AssistTM ................................................................................................................. 54 CV Programming Overview ........................................................................................................................ 64 CV Write Operation .................................................................................................................................... 74 CV Read Operation ..................................................................................................................................... 7Prototype Mode vs. Traditional Mode.......................................................................................................... 8Calibrated Prototype Mode ...................................................................................................................... 8Calibrating Prototype Mode using Audio Assist ....................................................................................... 8Manually Adjusting the Calibration for Prototype Mode ......................................................................... 9BEMF Change Time ....................................................................................................................................... 9BEMF Low Calibration ................................................................................................................................... 9BEMF High Calibration ................................................................................................................................ 10Cylinder Cocks Shut Off Speed Step............................................................................................................ 10Random Sound 1 Frequency ....................................................................................................................... 10Random Sound 2 Frequency ....................................................................................................................... 11Random Sound 3 Frequency ....................................................................................................................... 11Random Sound 4 Frequency ....................................................................................................................... 11Random Sound Overall Timer ..................................................................................................................... 11Random Sound Cutout Speed ..................................................................................................................... 12Whistle Set ...................................................................................................................... 12Proto-Chuff Start Speed Step ...................................................................................................................... 12Global Volume ................................................................................................................ 13Steam Locomotive Type .................................................................................................. 13Automatic Sounds ....................................................................................................................................... 14Brake Grinding Sound Start Speed .............................................................................................................. 14Dual Mode Functions (Light & Sound Mode).............................................................................................. 15Chuff Rate Adjustment ................................................................................................... 15