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Next, your panel layout diagram must done with Indicator Track icons. These icons display the status of the block they represent with colors and can show names. If your diagram has already been created using regular track icons, they can easily be converted to Indicator Track icons with Circuit Builder. The Item Palette help provides more information about Indicator Track icons.
All the track of your layout should be represented with OBlocks, even the sections with no sensors. Although Tracker cannot detect when such a "dark block" is entered, it is smart enough to know when a train has passed through one. So it is beneficial to configure them when there is a path through them connecting one occupancy block with another.
The last requirement is each block should have at least one Indicator Track icon configured to display names. The popup window displayed when the Edit Icon menu item is selected has a checkbox labeled "Display Train Name when occupied". (You must edit with Control Panel Editor to get this window.) Check this box to show the current location of a tracked train.
Below the list is the Last Event status window. The events shown are: when a trains enters a block, leaves a block and any error or warning message. When leaving a block the elapsed time the block was occupied is recorded. A mouse click on the window drops down a record of the last 20 events.
Below the status window are two buttons; the New Tracker... button which was mentioned above, and the Refresh Tracker Info button. This button updates the elapsed time each tracker has spent in its current block.
A tracker that has both a path set to exit its current block and a path set to enter the newly occupied block is chosen over a tracker having only one path exiting or entering the block. The latter such tracker has precedence over a tracker with neither an exit nor an entrance path set.
This could be useful in situations where the panel operator does not have full view of the layout. Should ties occur in the ranking, the dialog to pick the tracker is displayed.
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