LANC (Logic Application Control Bus System or Local Application Control Bus System), also known as Control-L is a hardware and software communication protocol invented by Sony that synchronizes cameras.[1]

The LANC terminal on Sony and other manufacturers' camcorders lets accessories, such as tripods with a control handle, control the camera over a cable connected to the LANC port instead of using buttons on the camera. It is also available on many still cameras, where it is called ACC (the Sony 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 without making a home-made adapter cable or a pre-made cable by Sony Part# J-6082-535-A. Sony RM-AV2 Remote Commander is an example of a LANC controller that plugs into the Sony 10-pin multi-A/V remote terminal jack.[4]

Starting with the 2015 model year, Sony has switched to a special 15 pin multiport connecter that looks similar to a USB connector. However, it has 15 pins inside the connector, where a USB connection has 5. Currently, only the Sony VPR-RM1 controller works with Sony camcorders from 2015 and newer.

Sony "Control-S" is a similar interface, but is uni-directional, providing control-only, and not feedback from the controlled device.

Panasonic Control-M is a similar 5-pin mini-DIN bi-directional interface and protocol with a different implementation.

See also

References

  1. ↑ "Sony Glossary terms". sony.com.au. Archived from the original on 2006-08-31. Retrieved 2006-07-24. {{cite web}}: External link in |work= (help)
  2. ↑ "Sony LANC interface pinout". PinOuts.Ru.
  3. ↑ "DVin Lite, LANCTerm, RM95 interface cable". PinOuts.Ru.
  4. ↑ "RM-AV2 Remote Commander". Sony.


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