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Sunday, February 23, 2014

Programmi Sistemi Luce (PSL) Autoscan System

Another first generation scan system from PSL.  This is the Autoscan system.  This system here consists of 4 heads but as many or few heads can be used in any setting.  Each head operates from an internal sound active circuit.  The light source is a common 120 volt, 250 watt ENH line voltage lamp that is cooled from a Crouzet cooling fan.  The light shines from the lamp through a reducer (Small hole in the sheet metal) then through a 12 selection gobo / dichro wheel.  From the gobo wheel through a convex lens then onto the scan mirror.  The heads use Micro Motors for pan and tilt of the mirror instead of digital steppers in modern units.  The units run independently with no external movement control.  The only function that can be remote controlled is the gobo / dichro wheel.  The fixtures have an 3-way switch that allows for manual gobo / dichro selection, automatic selection (Changes about every 10 seconds) or no selection where the current gobo / dichro remains in the projection spot.  The remote function allows the 3 way switch options to be controlled from a PSL controller such as the Autocontroller 4.  There was a later model from PSL that added DMX 512 to the units but it was years later.  Great classic units made in Italy.