22RailKing U.P. 49er Operating ManualRAILKINGhorn in neutral, repeat the above procedure but keep pressing the whistlebutton in Feature 25 until ProtoSounds® only dings once instead of twice.Note: When Whistle In Neutral" is set, the bell will only operate with a separate bell buttonand the whistle will not sound in neutral if the transformer throttle setting is over 11 volts. At11 volts or higher, ProtoSounds® may arm the coil coupler for operation whenever the whistlebutton is pressed and the engine is in neutral.PROGRAMMING FOR PROTOCOUPLER OPERATIONProtoSounds® comes with a RESET feature that allows the operator toremotely turn off the ProtoCoupler™ functions. This is especially usefulwhen double or triple-heading ProtoSound® equipped engines since everyengine equipped with a ProtoCoupler™ will fire when prompted to by theoperator. By turning off theProtoCoupler™ operation oncertain engines, you can firethe couplers open on theother engines withoutuncoupling the engines fromeach other. To turn theProtoCoupler™ function off,enter RESET and go toFeature 10. (See the sectionon Using RESET ToProgram ProtoSounds® on page 18.) Once in Feature 10, press thetransformer whistle button and wait for ProtoSound® to sound a bellding(s). Continue pressing the whistle button until ProtoSounds® soundstwo bell dings (signifying that the ProtoCoupler™ option has been turnedoff). Simply turn the transformer throttle off and then on again to lock inthe new setting.Clank, ClankIn RESET ModeMove The ThrottleUp & Down FromHigh Voltage To Low10 TimesListen For 2 ClankAnd 0 Clink SoundsPush The Whistle ButtonUntil You Hear2 Bell DingsInterrupt The ThrottleTo “Lock-In”The Coupler SettingH