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search  LANC or Local Application Control Bus System, also known
as Control-L is a protocol by Sony used to synchronize
camcorders and cameras.[1]  LANC is a terminal on Sony as well
as other manufacturers' camcorders which enables other
accessories like Tripods with a control handle to control the
camera with a wire connected to a LANC port without dealing with
buttons on the camera itself. It is also available on many still
cameras, where it is called ACC (the DSC-xxxx series of
cameras).  The bi-directional protocol is made up of 8 (8-bit)
bytes, usually clocked by the camera at 9600 bit/s. Each frame
of bytes occurs in sync with the beginning of each video frame
(NTSC or PAL). The physical connector is either a 5-pin mini-DIN
connector and jack[2] or a 2.5mm 3-conductor phone jack and plug
(TRS connector).[3]  In newer Sony digital Handycam(R)
camcorders with 10-pin multi-A/V remote terminal jacks, LANC is
available, but not directly accessible wi