Remote focus unit

- Jul 17, 2017 -

Many memory consoles have an optional Remote Focus Unit (RFU) controller that can be attached to the light board and used to control the board's functions (though usually in some limited capacity). They are usually small enough to be handheld. This is ideal in situations where moving the light board is impractical, but control is needed away from where the board is; i.e. if the light board is in a control room that is far from the fixtures, such as a catwalk, an RFU can be attached and an electrician or the lighting designer can bring it to a location which is close to the lights. Some of the newer, more advanced boards have RFUs that can be connected through USB or even wirelessly.

Various manufacturers offer software for devices such as Android and iPhones that cause the devices to act as remote controllers for their consoles. Also, independent software developers have released applications that can send Art-Net packets from an iPhone, thus enabling an iPhone to serve as a fully featured console when used in conjunction with an Art-Net to DMX converter or Art-Net compatible luminaries and dimmers.

The Controller Interface Transport Protocol, or CITP, is a network protocol used between visualizers, lighting control consoles and media servers to transport non-show critical information during pre-production.The protocol is used for a number of purposes including SDMX, browsing media and thumbnails, and streaming media among different devices.


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