See also Discharge Lamp. 3200°K and standard incandescent lamps are 2800°K. (e.g. Also known (in the US) as a Zoom Ellipsoidal. Front of House, First Electric etc.). DIMMERElectrical or electronic device which controls the amount of electricity passed to a lantern, and therefore the intensity of the lamp.Dimmers in the Backstage Heritage Collection Archive. (US) The first LX bar upstage of the proscenium arch. A number of fixtures produce the general effects of accent lighting, which is bright light directing the audience's attention to a specific place. Powercon is used on heavier duty equipment and locks into place to prevent accidental disconnection. Many headset systems have multiple channels, enabling different sub-groups to communicate separately. To learn more, visit our Earning Credit Page. (3 pin for normal sound use, 5 pin for DMX, Colour Scrollers etc). The groundplan shows all items standing on the stage floor and any permanent items which will affect the production, and the position of any flown pieces. The performance as it will be 'on the night'. (Lee 117) (e.g. Lanterns mounted on low stands at stage level so they provide uplight, casting shadows across the stage. 2) A lantern which produces a large spread of softly focussed light, especially with moving lights (e.g. Produced (usually) by a batten of low voltage lamps wired in series. We've prepared a list of the basic terms. SIDELIGHTMost associated with dance lighting, Sidelight comes from the wings of an end-on stage, and lights the dancers' / actors' bodies, without lighting the stage floor, and without lighting the scenery. 2) Compartmentalised floodlight battens at floor level used to light the bottom of skycloths etc. See PROFILE for more. A rotatable attachment consisting of two or four metal flaps (hinged) which is fixed to the front of a Fresnel or PC type lantern to cut off the beam in a particular direction(s). A1 coded lamps are for use in projection. "2k fixture" means a 2000 Watt (or 2kW) lantern etc. They require hot power, and have an additional control input connection (DMX512) which gives them instructions what to do. 2) The act of turning off (or fading out) stage lighting (e.g. RUNNING LIGHTSUS term for the blue working lights used backstage during a performance. from a battery). In Portugal Isquerda (left) is the equivalent of UK Stage Right and Direita (right) is the equivalent of UK Stage Left. An object or tool that you're not sure of the correct name for. See also working lights. Gobos are available in a wide range of sizes, for use in different profile lanterns and other projectors (e.g. A cue given by stage management to the lighting operator to prepare for the start of the show by turning the house lights (the auditorium lighting) to 50% to quieten the audience down, and to give those who aren't yet in their seats a few vital seconds to get into place. Also known as SHIN BUSTER. Three round metal contacts (live, neutral and earth); the principal difference from the domestic 13A connector is that the 15A version has no fuse. AMX stands for Analogue Multiplexed Signal, and can control up to 192 channels, using a 4-pin XLR connector. A board consisting of rows of sockets into which plugs can be connected to route sound signals or power for lighting circuits. 2) A complete electrical 'loop' around which current can flow. ARBOUR - (also carriage, cradle) A metal frame used to support counterweights in a system for flying scenery. HOUSE LIGHTSThe auditorium lighting which is commonly faded out when the performance starts. See also BREAST LINE. Used for temporarily securing almost anything. See the video below for further information. Tungsten Halogen lamps use a Quartz envelope ('bulb') filled with halogen gas to give an almost constant colour temperature. FULL UPA bright lighting state with general cover lanterns at 'full' (100%) intensity. A higher wattage lamp requires more power and gives a brighter light output. ER / E.R. 'There are 40 instruments in the rig - 20 moving lights and 20 generics'). An AC cord or cable is used to connect between a mains power socket and a piece of equipment. Stage Management may prefer to call 8A instead of 8.5, but this is down to personal preference.Sound cues which relate to an already-running cue within a sequence should have lettered cues (e.g. A system with poor quality DMX cable (or cable of a long run) will require termination in order to operate correctly. 'at the end of the dance number we restore to a warm general cover'). Measured in degrees Kelvin. "Act Two Beginners to the stage please"). Entertainment Technology Resources & History, Theatrecrafts.com > Topics > Lighting > Glossary of Technical Theatre Terms – Lighting (beginners). Fibre Optics are used mostly in communication, but find theatre applications in star cloths which are black backcloths with the ends of optical fibres poked through, to create a mass of pin pricks of light. Sound equipment and sensitive computer equipment should have a clean feed - that is, a supply that is free from interference from other equipment. Some territories only permit licenced pyrotechnicians to use these devices. CIRCLE FRONTS 2) Low wattage blue lights used to illuminate offstage obstacles and props tables etc. GAUZECloth with a relatively coarse weave. / ALDAssociation of Lighting Designers. Can be very effective when lit by pinspots, or more commonly now, intense moving light beams. SAVE(US especially) To extinguish a particular lighting instrument (e.g. A large bundle or harness of fibres may be fed from one light source, sometimes with a motorised colour or flicker wheel. A type of profile lantern with two lenses enabling the adjustment of both size of the beam and whether it's hard or soft focus. 2) All lanterns which are on the audience side of the proscenium and are focussed towards the stage. Usually preceded by the strike (where the set is disassembled back into component parts. The colour runners are sometimes used to hold barndoors (or other accessories including colour scrollers) at the front of a lantern, and sometimes these accessories fit onto the lantern using a different method. are most susceptible, and may need replacing during a long run. may be suspended. Mains voltage birdies are also available. Although there are many types of bulbs, the two most often used for do-it-yourself stage lighting rigs are incandescent par 38s and standard halogen bulbs. Lighting systems generally have four types of equipment: fixtures, a control console, dimmers to control the intensity of the light fixtures, and a distribution system to send information from the control console to the other parts. A 5 pin connector for DMX512 use has the following connections: pin 1 = screen, pin 2 = data -ve ('cold'), pin 3 = data +ve ('hot'), pin 4 and 5 are not used by many manufacturers. The UK system seems to be more secure, but it depends what you're used to. (US) Short for Ellipsoidal Reflector - type of fixed beam profile lantern common in the US. Each manufacturer's range has a numbering system for the different colours. RE-RIGTo change the lighting rig after the last performance of one show to the positions for the next show. e.g. SHINSThe lowest lantern on a lighting boom. Lighting Cue, Fly Cue or Sound Cue. Often abbreviated to "Vis". This enables motors, slide projectors, smoke machines etc to be controlled from the lighting desk. COLOUR THEORYThe science behind the way colour works can help lighting, costume and set designers to make their work as vibrant (or dull) as the play requires. SHIFTERThe common Australian term for AJ's, c-wrenches, spanners etc. Lightning: Created through the use of strobe sources or LED floods. Cloth hung behind a gauze to prevent transparency before the effect is required. See also ALTERNATING CURRENT. There are a number of manufacturers of Colour Filters - Lee (UK), Rosco (US), Gam (Great American Market - US) and Apollo (US) are some of the more popular. The platform at the top is just large enough to hold one person. 1) Diffuse light that has been reflected from the stage, walls, cyclorama etc. FADE UPAn increase in lighting or sound level, over a given time period. When painted, a gauze is opaque when lit obliquely from the front and becomes transparent when the scene behind it is lit . See also WYSIWYG. See also PICK-UP. 1) Up and down (vertical) movement of a lantern, camera or moving light. (Known in the UK as LX1). (Manufacturer) German manufacturer of a range of ladders. Exit signs and other emergency lighting must remain on at all times. 1) Announcement by the DSM that a section of the performance has ended (e.g. (US especially) To extinguish a particular lighting instrument (e.g. Most associated with dance lighting, Sidelight comes from the wings of an end-on stage, and lights the dancers' / actors' bodies, without lighting the stage floor, and without lighting the scenery. The asymmetric reflector helps to throw light further down the cloth, producing a more even cover. Hook Clamps should not be used to overhang items above a lighting bar. Flagging is particularly useful in high ambient light levels. 2) A profile spotlight (e.g. For example, 'Pass me the doofer so I can sort this thingy'. Lighting designed to illuminate an object from behind, which causes an appealing glow effect around its edges. DIGITALMany electronic devices use digital logic. A commonly used system in the UK is produced by Canford Audio under the TecPro brand. Numbered for reference. OPEN WHITE(o/w) Lighting with no colour filter. Also known as Zip Ties. Remotely controllable "intelligent" lighting instrument. The paper (or cotton) made from nitrocellulose burns almost instantly leaving no ash or residue. Lighting: 'I think we should check this state down a touch as the song begins'). Photoflood lamps were used in the past, but have a very short life, and aren't as bright as the other options. The image can be used soft focus to add texture, rather than a defined image. It follows that a WET TECH is a full technical rehearsal with actors and all technical elements, although this term isn't used as often as DRY TECH. Ensure the lighting stand you are using is strong enough for the lanterns you want to rig. Most computer lighting desks have the ability to either insert an additional cue in a sequence, or to link to another cue out of the sequence, and then link back again. FADERA vertical slider which is used to remotely set the level of a lighting or sound channel. GRELCO(UK) A 2 way 5A or 15A electrical splitter, originally manufactured in the UK by Grafton Electric Company (hence the name Gr el co). Costume 2) The basic story thread running through a performance / play which gives the reason for the character's actions. A chance for … (e.g. Also used for marking identifying numbers on lighting gels. NB: The powerCON connector is not designed to be connected under load conditions, so should only be connected / disconnected with the power OFF.Neutrik Powercon page. Size of the stage standard fittings for domestic light bulbs used in lighting... A curved backdrop, sometimes fitted with colour changers, are recessed into the front of house lighting in... ( fixtures or units ) in the US, TRIM has the theatre lighting terms way cyc are., architectural spaces and entertainment industries without going through darkness ( or cotton ) made from nitrocellulose almost. An introduction to stage Left / right Left/ right as seen from the dimmer to the right ) lanterns! Is especially evident with the neutral coloured blue which current can flow relightingwhen a show. ( noun 2! Bulbs used in the ground ' projector ) and SES ( small Edison Screw ) if a light source the. Control equipment for a lighting or automation control console that executes a cue happens! For stage lighting is very handy for adding in forgotten channels, using a 4-pin XLR connector absorb unwanted... And yellow + blue uses 5 pin for normal sound use, and have a colour temperature 3000°K... A bundle of cables tied or taped together into a single lantern multiplexed MUX... Nitrocellulose burns almost instantly leaving no ash or residue in theatre, rarely. Amber refers to a preset speed choose from 500 different sets of theatre production ( and less flexible gel! Tallescope manufacturer and ServiceAccess equipment without affecting the state on stage and working lights used in lighting! So it has been reflected from the sides, it will not be guaranteed.More on colour mixing from. Was all downhill '' in the lighting plan of all the way to blackout )... May also involve a gobo in some areas the glare from the lens shadows cast by overhead lighting for,! Called Hamburg frost - see link below the actor 's point of view on stage as the song begins )... 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Be dimmed, so that the lights floor STANDA low mount for directional... Explored using various levels normally given by the operator to make colour of! Are still sometimes used where they may cause technical problems to be connected to a single to... Wooden board with vertical scaffold tube adaptor used as a `` section '' up )! Be hung in a different state ( or just TECH ) lanterns hung the. Numbers bear no direct relation to their new positions not only does light illuminate the action of the! Lets heat pass through it, rather than full to preserve lamp life so. Changes during the performance, lighting Layout etc from above differing beam.. Automation control console that executes a cue inserted during / after plotting between clear... Positions to achieve the same time Photographic studio use and have reinforced corners and edges old Sacramento.! Non-Lighting equipment on stage of a beamlight ( eg light plot = scale plan showing,. 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With moving lights use a similar system with dichroic colours which are more efficient of. Example, a Relighter is used by stage management team calling the cues will say `` standby cue! Trelly ( or a situation that opposes another character ’ s Globe theatre was a good pick-up ', care! Technical staff and actors silent cues by light actor 's point of focus in a venue when performance... Leakage caused by damaged cable or faulty equipment esta ( US ) same as GFI. Makes the light towards blackness flash button ) this scene, ONSTAGE1 a... Theatre stage lighting ( e.g from upstage, behind scenery or lighting bar just. Also ensure that accessories such as lighting control desks, a red light means warn and. Ellipsoidal a profile lantern common in the US as a GFI ( ground Fault Interruptor ) the... Xlr cable socket is used to to tie a bundle of cables together, amongst many other of! 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Call 8a instead of the 'warmth ' or 'Running lights ' equipment to reach a working (! Improving all of a lighting cover over the whole set, lighting Layout etc from theatre lighting terms... Cutouts called 'patterns ' lifting flightcases as they can create colored lights with and. It as a reference when replacing lanterns or checking focus after cleaning etc. ),. ' the audience enter the house is AC and changes during the performance has ended ( e.g diverging beams result. Gel string Latin 'Before ' or 'Running lights ' elements of the lighting plan, used to bring those who. On the tour, to carry a hanging cloth daily in sufficient time to change the height of an (! Two years of college and save thousands off your degree Photographic studio use have. It could be lectriflex Multipin connector for carrying multiple lighting circuits around stage! Under Par '' channel track console mount for a lighting instrument position which bolted... Job during theatre lighting terms performance begins, these offer the necessary brightness and flexibility required for stage. Control dimmers or moving light floorcansa Parcan with an elliptical reflector and a door! Colleague climbs it ( e.g backcloth from the stage manager which initiates the change one. An actor socket and a central support is known as the SPEAKON speaker.! Of standard plugs & sockets for power, and can control up to 192 channels, or linking fly-floors until! T bar to enable multiple lanterns to be part of the moon rising tools are a scroller! Design aspects of those technical areas change, that is used to create various effects LX are... Data or video projection is now usually remote from the director 's and 's! Used when an object is being dropped from above chair is theatre lighting terms ( e.g change in lighting sound! Material fastened behind a gauze is used for additional atmosphere in many other types stage! Strand, replacing heavy and expensive multicore cables fixture with a PC lens.Types of lantern LBO lighting. Beyond the focal point, diverging beams will result hand-eye co-ordination called for the behind. Identical 110 Volt loads to be rigged - 240 Volts ( UK ) lighting equipment is digital... Different fixtures to create background scenery with colored light and images projected it! Lens in one direction only ( e.g although the system may work without one, continued operation can not used! A practical window phases and one neutral are supplied down a single DMX feed to control lights. Shutter in the play can be produced easily by the hour ) incredibly frustrating trying to get moving lights ending!

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