MTH Electric Trains PREMIER GP 7/9 Operations Instructions download pdf (Page 4)

Premier GP-7/9 Operating Manual

PROTO SOUNDS® OPERATING

INSTRUCTIONS

The MTH Proto sound® digital sound and train control system provides

the operator with unprecedented realistic operation on your model railroad.

In addition to actual diesel engine, CD-equivalent 16-bit digital sounds,

you get the following features:

∗ Built-In Proto-sound® DCRU® Reverse Unit * Authentic Diesel Engine Horn

Sound * Authentic Diesel Engine Bell Sound * Squeaking Brake Sound * Freight

Yard Sounds * Operating Remote Controlled ProtoCoupler™ *

Self-Recharging Battery Back-Up System With Automatic Battery Shut-Off *

Remotely Controlled Reverse Unit Lock-Out * Remotely Adjustable Diesel

Engine Volume * Authentic Diesel Engine Start Up & Shut Down Sounds *

Random Selection of Four “Cab Chatter" Radio Transmission Sound Clips *

Each feature is described among the following pages. Though the system

is easy to use, we encourage you to read the instructions thoroughly.

Proto sound® DCRU® REVERSE UNIT

As mentioned in the Basic Operating section, the engine is controlled by a

Proto sound® DCRU® reverse unit that contains the standard

forward-neutral-reverse states found on most reverse units. However, as

described earlier, when power is first applied to the track, the reverse unit

begins in RESET or what seems like a neutral state. Power must be

interrupted again to get the locomotive to enter the forward state. It is this

first RESET state that gives ProtoSound® its unique, remote controlled

functions. The system will enter RESET whenever power to the track is off

for three or more seconds. NEUTRAL will be referred to as the state

between Forward and Reverse.

ProtoSounds® is equipped with a microprocessor, that, depending on the

amount of memory it is allotted, allows the user to utilize several remotely

activated functions. In the simplest terms, ProtoSounds® has its own

“Computer" controlling these functions. In order to access many of these

remotely controlled functions, the user must be in the RESET state to do so.

RESET is entered anytime power to the locomotive has been off for more

than 3 to 5 seconds. When the engine first enters RESET, the

microprocessor initiates a system check to determine if the system,

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MTH Electric Trains PREMIER GP 7/9 Operations Instructions Page 4