MTHTrains F-3 POWERED B-UNIT Operations Instructions download pdf (Page 18)

MTH F3 Diesel Engine

SETTING THE ENGINE VOLUME

Of all the sounds that come with each ProtoSound-equipped locomotive,

the one most often turned down is that of the engine volume because it is

the one sound normally heard whenever the engine is running and is what

usually can become tiresome to the ear over prolonged running sessions.

The volume adjustment is controlled through RESET Feature 6.

To access the feature, advance the transformer throttle to put the engine in

RESET. Move the throttle up and down, as described on page 5, 6 times.

After you hear the “clank" and “clink" indicating that you are in Feature 6,

press the whistle button

to select the engine

volume level you desire.

Pushing the whistle

button once will give

you full volume, which

is the factory setting.

Pushing the whistle

button a second time

will give you 50% volume, pushing it a third time will give you 25%

volume and pushing it a fourth time will give you no engine sound. The

microprocessor will immediately play the sound level each time the whistle

button is pushed so that you can decide if it is acceptable. You can recycle

through the four choices by simply continuing to press the whistle button.

Once you have decided on the appropriate volume level, turn the

transformer throttle off and on again or press the transformer direction

switch to lock in your selection. The volume adjustment will remain set at

the level you have chosen until you change it again. Regardless of the

engine volume setting, the horn, bell, compressor and Cab Chatter sounds

will function normally. In fact because only the engine volume is affected

by selections in Feature 6, when you select 0 volume, you can still hear the

horn, bell and Cab Chatter sounds when the engine is running or in neutral.

In RESET Mode

Move The Throttle

Up & Down From

High Voltage To Low

6 Times

Listen For 1 Clank

And 1 Clink Sounds

Push The Whistle Button

Until You Reach The

Setting You Desire

Interrupt The Throttle

To “Lock-In”

The Volume Setting

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 39 40

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MTHTrains F-3 POWERED B-UNIT Operations Instructions Page 18

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