2RailKing NW-2 Operating ManualRAILKINGTable Of ContentsQUICK START - BASIC OPERATION 3PROTOSOUNDS® OPERATING INSTRUCTIONS 4ProtoSound® DCRU® Reverse Unit Operation(All 3-Rail Models) 5Horn Operation 5Bell Operation 5ProtoCoupler Operation 6Squeaking Brake Sounds 7Tips On Using Squeaking Brakes 8Freight Yard Sounds (FYS) 9Tips On Using The Freight Yard Sounds 13Self-Recharging Battery Backup System 15Replacing The Battery 15ProtoSound® Volume Adjustment 16USING “RESET" TO PROGRAM PROTOSOUNDS® 17Entering RESET Options 17Setting The Engine Volume 18Programming For A Separate Bell Button Controller 19Programming For Squeaking Brake Operation 19Programming For Horn In Neutral Operation 20Programming For Cab Chatter Sounds 21Programming For ProtoCoupler Operation 22Programming For FYS Operation 22Activating Reverse Unit Lock-Out Control 23Resetting All ProtoSound® Options To Factory Defaults 24Reverse Unit Lockout Control Functions 25Locking The Engine Into Forward or Reverse 25Unlocking The Engine 25Locking The Engine Into Neutral 25OIL & LUBRICATION INSTRUCTIONS 27TRACTION TIRE REPLACEMENT INSTRUCTIONS 28LIGHT BULB REMOVAL & REPLACEMENT 29TROUBLE SHOOTING PROTOSOUND™ PROBLEMS 30ProtoSound® RESET Feature Chart 34Transformer Wiring Chart 35O-27 OPERATION 36SERVICE AND WARRANTY INFORMATION 36HOW TO GET SERVICE 36LIMITED ONE YEAR WARRANTY 36