Rail King SD-90 MAC Manual del operador descargar pdf (Pagina 8)

Proto-Coupler® Operation

This locomotive is equipped with two coil-wound Proto-Couplers for remote

uncoupling action. Because the Proto-Coupler is controlled through the Proto-

Sound 2.0 microprocessor, it does not require an uncoupling track section or

modification to your layout to function. Use the codes listed below to fire the

coupler.

Rear Coupler:

To fire the rear coupler, quickly tap the Bell button once followed by three quick

taps of the Whistle button, allowing approximately ½ second to lapse between

each quick button press. The sound of the liftbar and air line depletion will play,

and the knuckle will be released.

Front Coupler:

To fire the front coupler, quickly tap the Bell button once followed by four quick

taps of the Whistle button, allowing approximately ½ second to lapse between

each quick button press. The sound of the liftbar and air line depletion will play,

and the knuckle will be released.

Speed Control:

M.T.H. engines equipped with Proto-Sound 2.0 have speed control capabilities

that allow the engine to maintain a constant speed up and down grades and

around curves, much like an automobile cruise control. You can add or drop

cars on the run, and the engine will maintain the speed you set.

While the engine is programmed to start with the speed control feature activated,

you can opt to turn it off. This means the engine’s speed will fall as it labors up

a hill and increase as it travels downward. It is also affected by the addition or

releasing of cars while on the run.

To turn speed control on and off, put the engine in neutral, then quickly tap

the transformer’s Whistle button one time then quickly tap the Bell button two

times, allowing approximately ½ second to lapse between each quick button

press. Two horn blasts will indicate that the engine has made the change. Repeat

the 1 whistle, 2 bells code to return it to the other condition. You will want to

do this during the initial neutral upon start-up if you ever couple this

engine to another engine that is not equipped with speed control to avoid

damaging the motors in either engine. Each time you shut down the engine

completely, it will automatically turn speed control on. Note: When speed

control is turned off, the Proto-Sound 2.0 system will limit the volume in order

to operate more smoothly at lower voltages. Full volume is restored upon

reactivating speed control.

Premier Scale SD90MAC Diesel Engine Operating Instructions

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Rail King SD-90 MAC Manual del operador Pagina 8