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Patch, Types of (Lighting)

Discussion in 'Wiki' started by derekleffew, Sep 26, 2008.

  1. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Las Vegas, NV, USA
    "Hard patch" refers to plugging a circuit into a dimmer, with some type of patch panel. Dimmer Per Circuit systems do not have this. Inserting a fixture's plug into a circuit's receptacle is known as "plugging."
    "Soft patch" refers to assigning, on the control console, one or more dimmers (now called "outputs" to account for devices other than dimmers) to a control channel.
    "Proportional patch" is assigning dimmer(s) at a specific maximum level to a channel. (Also known as "Scaling Factor" on some Strand consoles.)
    "Pin patch" refers to patching a multi-cable circuit into a dimmer of a Touring Rack, and happens inside the rack's Patch Bay. [On old R&R Analog consoles, dimmer-to-channel or channel-to-submaster assignments were often made with small pins, which was known as a Matrix Patch or Battleship (ala the "you sunk my Battleship" game) patch.]
    "Fixture Patch" is assigning automated lights to the proper DMX address in the console.
    "Repatch" is the process of replugging a dimmer or circuit during a performance. This is done to maximize the use of available dimmers.
    Example: Unit A is used only in cue 4, unit B is used in cue 10.
    Upon completion of cue 5 unit A is manually unpatched and unit B is patched.
    Thus one dimmer may be used for multiple specials.
    "Hot patch" may be a verb meaning to plug live, while the circuit is energized; or a special receptacle on a retractable-cord patch panel or dimmer rack that is always live. Not to be confused with the similar but different hot pocket.
    Last edited: Apr 27, 2015

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