Additional consist acceleration (combined with CV3) Additional consist braking (combined with CV4) System Normal Watchdog timeout occurred System Normal Data corrupted. Reset to defaults. System Normal Checksum Test Failed System Normal No ACK from I2C bus sets overall volume, 0=Mute Scale Time Real Time enables increasing of draft while engine is idling By function key only When engine stops Single Dual Requires Airpump sound enabled On at power up On when loco selected When Auto Mode selected, this sets the Chuff Rate relative to throttle setting. higher values increase high freq component sets volume when DDE is disabled Soundtraxx