•F0 Headlight 
•F1 Bell 
•F2 Whistle/Horn 
•F3 Start Up/Shut Down 
•F4 Rear Coupler 
•F5 Front Coupler 
•F6 Engine Sounds On/Off 
•F7 Sound Volume 
•F8 Ditch Lights Auto/On/Off 
•F9 Forward Signal 
•F10 Reverse Signal 
•F11 Grade Crossing Signal 
•F12 Cab Light On/Off 
•F13 Extended Start Up 
•F14 Extended Shut Down 
•F15 Rev Up 
•F16 Rev Down 
•F17 Coupler Slack Sound 
•F18 Coupler Close 
•F19 One-Shot Doppler 
•F20 Feature Reset 
•F21 Idle Sequence 1 
•F22 Idle Sequence 2 
•F23 Idle Sequence 3 
•F24 Ditch Lights Auto/On/Off 
•F25 Brakes Auto/Off 
•F26 Cab Chatter Auto/Off 
•F27 Clickety-Clack Auto/Off 
•F28 Coupler Slack Sound 
• Proto-Sound 3.0 With The Digital Command System Featuring: Freight Yard Proto-Effects 
• Unit Measures:10 9/16" x 1 7/16" x 2 3/16" 
• Operates On 18" Radius Curves