PTZ — Pan/Tilt/Zoom Camera
Motorized camera with independent pan, tilt, and optical zoom motors for remote framing control in conference rooms, lecture halls, and broadcast studios.
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RS-232 — Serial Control Interface
RS-232 is the most common wired control interface in AV — used to control displays, projectors, PTZ cameras, and DSPs from control processors via simple ASCII or binary command strings.
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VISCA — Video System Control Architecture
VISCA is the dominant PTZ camera control protocol — a binary command set sent over RS-232 or UDP/TCP that commands pan, tilt, zoom, focus, iris, and preset recall on virtually every professional PTZ camera.
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