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B<br />

96<br />

5 The Visual Dispatcher I<br />

5.1 Introduction<br />

A human operator is normally only able to operate one or two switchboards and at most<br />

two trains at the same time. If multiple control panels or a certain number of trains are<br />

to be operated at the same time, then either support of additional human operators is required,<br />

or a component like the Visual Dispatcher, which is able to take the place of<br />

additional human operators.<br />

The Visual Dispatcher (or in a word Dispatcher) is a component that makes large scale<br />

railroad operations manageable by one person, matching operations found on the largest<br />

club layouts.<br />

Like a human operator the Visual Dispatcher is able to operate switches, signals, routes<br />

and trains. This is called automatic operation.<br />

A broad range of operating flexibility is provided from completely manual through fully<br />

automatic operation (e.g. hidden yards control). Manual and automatic operation can be<br />

mixed simultaneously. This applies not only to trains on different areas of your railroad,<br />

but also to different trains on the same track and even to the operation of a single train.<br />

Automatic processes are not bound to specific trains. Once specified they can be performed<br />

by each of your trains. There is no need to learn a programming language.<br />

Time-table and random functions increase the diversity of your model railroad traffic.<br />

Built-in train tracking functions display on the screen which engine/train is on which<br />

track.<br />

Like a human operator must know the overall structure of the model railroad layout the<br />

Visual Dispatcher needs to know this, too. This structure is represented by a diagram<br />

that contains blocks and routes and the track connections between them. This diagram is<br />

called main block diagram of the layout. The main block diagram describes the track<br />

layout of your entire model railroad in rough outline.<br />

The Visual Dispatcher manages traffic flow using a blocking system. Blocking ensures<br />

that trains do not collide and supports the tracking of train positions. For this purpose,<br />

the railroad layout is divided into virtual, logical blocks. That means, you define blocks<br />

at locations where traffic control will take place (e.g. scheduled stops in a station). Usu-

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