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TrainController Gold and Silver - Freiwald Software

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layout. With this option it is for example possible to use a momentary track contact<br />

for Virtual Occupancy Indication.<br />

• By Indicator: if this option is selected, then the indicator remains turned on until another<br />

indicator is turned on.<br />

• With Indicator: if this option is selected, then the indicator remains turned on until<br />

another indicator is turned off. Previous software versions only provided the option<br />

of leaving the indicator turned on, until another indicator is turned on.<br />

• Toggle: if this option is selected, then the indicator is alternately turned on <strong>and</strong> off.<br />

With this option, it is possible to create a track occupancy detector with two momentary<br />

track contacts. This is explained in more detail in the example on page 261<br />

“Simple Track Occupancy Detection”.<br />

Diagram 142: Memory of a an Indicator<br />

Normally, the indicator is turned off when the condition that causes the activation of<br />

the indicator no longer applies, e.g. if Timer is selected <strong>and</strong> the specified time period<br />

has passed, then the indicator is turned off only if the condition no longer applies. If the<br />

condition is still valid, then the indicator remains turned on even if the specified time<br />

period has passed. Sometimes it is useful to turn off the indicator regardless of the cur-<br />

247

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