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Ghosting

Discussion in 'Wiki' started by ruinexplorer, May 26, 2009.

  1. ruinexplorer

    ruinexplorer Minion CB Mods Premium Member Fight Leukemia

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    Occupation:
    Projectionist
    Location:
    Las Vegas
    1. Video. The effect of a duplicate image that is slightly offset in an analog video transmission. Mismatched impedance in the cables or poor electromagnetic shielding are common causes of this effect in non-broadcast situations.

    2. Lighting. Lamp(s) remaining on at a low level even when the control is at zero, or the inability to dim a lamp to completely off. See ghost load and preheat.

    3. A followspot operator's method of cheating to find his mark. He/she opens the douser very slightly to see where the beam is. The operator thinks only he can see it, but others often notice. Thus the practice should be discouraged.
     
    Last edited by a moderator: May 26, 2009

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