Drawbridges have one or two tracks, each of them connected to other track elements on each end. Trains can travel on each track independently (as long as the bridge is closed). The speed limit is enforced on all tracks.
In Run mode, only the portion left of the red separation line of this panel is displayed. In Edit mode, the whole panel is displayed.
Fields common in both modes:
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Internal Key: a unique non-modifiable identifier provided by the system.
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Name: an optional identifier. Editable in edit mode.
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A graphic showing the drawbridge tracks. A label at each leg shows the internal key of the element it is connected to – clicking on it will open a window showing the details for that particular element. In Edit mode, a right click will copy this link information into a link maintenance tool from which the connection can be manipulated.
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Speed Info: opens a separate window displaying the speed limit for each train type to obey when the train is on the bridge.
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Show me where it is: activates the main window where a marker has been placed on the drawbridge for you to easy locate (hit <ESC> there to return)
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Exit: closes this window.
In Edit mode you see also on the right half of the window:
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A collection of graphics of all 8 possible configuration of the drawbridge tracks, with the current type highlighted. Clicking on one of them here will change the type and update all displays. (1)
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Set Position: activates the main window with grid lines, where you can place this drawbridge on any free square grid element with a mouse click (hit <ESC> there when done to return)
note: as long as the grid lines appear on the main window , you can return to the main window and repeat the placement again. This will stay active until you hit the “Keep it” button, close this window, or you activate this feature for a different object. (2) -
Keep it: the drawbridge’s position is now fixed (removing the grid lines on the main window). Without it it can still be changed on the main windows even though you may have done other things. (2)
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Delete From Scene: Removes this drawbridge from the scene. Objects to which this drawbridge was connected to will have their linkage to this drawbridge removed, resulting to a null linkage there.
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Link Info Opens a window which shows all linkages from this drawbridge including unused one.
Note:
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The symbols showing one line represent drawbridges with one track, the others next to them represent double-track drawbridges, with one of them in the same position as the track of the symbol left of it, and the second track being located on the side indicated by the small dot.
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For details see here.