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The maximum length of the 2D course can be increased up to 13 meters purchasing one or more
special Y TX bars called '2D-Boosted'. This kind of bar is equipped with stronger transmission LEDs
compared to the others and has a front aluminium cover instead of the transparent lenses, in order
to direct the narrow infrared LED beam. To help the Y bar alignment at great distances (especially
with not perfectly smooth ground), the 2D-Boosted bar is equipped with mechanical trimming
devices for applying micrometric elevation and inclination changes.