10 Base-T

An older flavour of Ethernet that is slower (10 MBits per second) than the 100 Base-T used by Hog components. If connected to other equipment that only supports this flavour, then Hog components will automatically detect this, and run their Ethernet connections at this slower speed.

See Also 100 Base-T.

100 Base-T

A flavour of Ethernet that supports data rates of up to 100 MBits per second. All Hog components support this flavour of Ethernet, and comply with all relevant standards, so networking equipment designed for 100Base-T should be compatible with the Hog.

See Also 10 Base-T.


abstraction layer

Hog 4 OS separates (‘abstracts’) the user from the details of how fixtures work. For example, most values are expressed in real world values such as degrees of rotation, rather than DMX values.

aggregate fixtures

when two or more fixtures are assigned dotted user numbers with the same whole number portion (1.1, 1.2, 1.3, etc...)


blocking cue

A blocking cue prevents changes made to earlier cues from tracking through to later cues.

See Also tracking.


During fanning, buddying keeps fixtures in ‘gangs’ that all take the same parameter value.

See Also fanning.


An on-screen control operated by clicking with the mouse or trackball or touching the screen. In this manual the work "key" is reserved for hardware buttons on the console's front panel.



A single rectangle in a spreadsheet, containing a value.

See Also spreadsheet.


A series of cues, that run automatically, connected with link and delay attributes.

See Also cue, cuelist.


Controller Interface Transfer Protocol: a protocol used by the Hog 4 OS to supply the media picker with thumbnail previews of content on connected Media Servers

See Also media picker.

command keys

User-created single button executers that trigger existing show objects.

command line

A method of entering information into the Programmer, using the numerical keypad and the @ button.

See Also programmer.

compound fixture

a single fixture entity that is comprised of one or more fixture parts (sometimes of varying fixture types).

control set

a collection of physical master key mappings. There are five editable control sets: Standard, Intensity, Playback Rate, Effect Rate, and Effect Size

conversion curve

A curve that defines the relationship between the plotted parameter value and the DMX value sent to the dimmer or fixture. Conversion curves are like dimmer curves or profiles on other consoles, and should not be confused with paths. Conversion curves are properties of the fixture, while the path is a property of a cue.

See Also path .


A transition between two cues, one replacing the other.


A look on stage, achieved through the manipulation of fixture parameters recorded as part of a cue list. A cue requires a trigger, either manual or automatic, and has attributes such as fade, wait and delay times.

See Also scene, fade time, wait time, delay time.


A group of cues that run in a specific order consecutively, or even simultaneously. These may be automatically linked to form a chase, or manually triggered. A cuelist is run from a master.



dead black out. Pressing the dbo key on the console will set all intensity output to 0% regardless of the position of the grand master fader.

default value

A parameter value which has not been adjusted by the user. This value is assigned by the fixture's Library, and may not always be zero. For example, the default value of Shutter Open/Strobe Off may be Open.

See Also touched value, tracking.

delay time

The time the console waits before starting a cue's crossfade.

See Also wait time, crossfade, path .

desk channel

Single conventional lights that only have intensity control via a dimmer are defined as desk channels by Hog 4 OS. By contrast, automated lights are referred to as fixtures.


Dynamic Host Configuration Protocol is a way for a computer to ask a master computer on a network to assign it an IP address when it connects. Many existing networks are configured this way, and Hog 4 OS supports this system. You should talk to the administrator of the network you want to connect to find out more.

See Also ethernet, IP address.

dimmer curve

See conversion curve.


A window which displays palettes, scenes or groups.

See Also palette.


Short for DMX 512, DMX is the communications protocol most commonly used to connect lighting consoles to fixtures and dimmers.

DMX address

A number between 1 and 512 that identifies a controllable parameter of a fixture. Each fixture or group of dimmers has a ‘start address’, the first of the range of DMX addresses that it uses.

DMX universe

A single DMX output with 512 channels is known as one DMX universe. A Hog network may support many universes each with fixture addresses between 1 and 512.

See Also DMX Processor.

dotted user number

A user number for a fixture that contains a whole number and a part number. Example: Desk Channel 1.23

See Also DMX Processor.

DMX Processor

A nineteen inch, rack mounted network node that distributes DMX output. There may be many DMX Processors within a lighting control network.

See Also node.



A window for editing the contents of cues, scenes, groups or palettes.

See Also programmer.

effects engine

The Hog 4 OS effects engine provides the opportunity to create movement sequences. The engine contains library shapes, whilst allowing for custom effects to be created.

encoder wheel

See Parameter Wheel.


A defined way of connecting computer equipment together. It comes in a variety of flavours.

See Also 10 Base-T, 100 Base-T, IP address.


fade time

Time in which fixtures crossfade between the parameter levels of two cues - one incoming, one outgoing.

See Also split fade, in time, out time.


A way of quickly assigning fixture parameters to an evenly spaced range of values. For example, you could use fanning to assign the intensity of 10 fixtures to 10%, 20% ... 90%, 100% in a single operation.

See Also buddying.

fixed kind

Fixed kinds are the default collections of functions that collectivity contain all of the fixture functions used in your show. There are 7 fixed kinds: Intensity, Position, Colour, Beam, Effects, Time, and Control. The fixed kinds are represented by dedicated front panel buttons and onscreen menus

See Also kinds.

fixture library

A separate data file installed into the libraries folder on the console that contains dmx mappings called "fixture types" which provide Hog 4 OS with a model for controlling a fixture's programmable parameters.

See Also abstraction layer.


See parameter.



The range of colours that a fixture is capable of producing. Each fixture type has its own gamut.


Image placed within the optical system of the fixture, projected onto lit object. Also known as a pattern.

graphical user interface

A way of displaying information, and allowing the user to work with it, in a visual form. Most personal computers use a GUI with windows, buttons and a pointer.

See Also command keys.


pre-recorded fixture selections, complete with selection order information stored in the group directory. Groups allow the quick selection of multiple fixtures, and, like ordinary fixture selections, can be combined and manipulated in a variety of ways.


See graphical user interface.


hard value

The output of a master running a cuelist is a mix of hard and soft parameter values. Hard values are those that are in the current cue, while soft values are those that have tracked through from previous cues.

See Also tracking.

HID Mode

A special mode for the console front panel that allows it to be used as a keyboard during a full software install. Pig + Fan+ Up Cursor Key puts the front panel into HID Mode. Pig + Fan+ Down Cursor Key takes the front panel out of HID Mode and puts it back into Hog mode.

See Also tracking.


Highest Takes Precedence. In this system of operation, the highest value assigned for a parameter is the one that applies. A fixture can be in cues on two masters, and the highest level of the two will be the one seen. HTP is only relevant to intensity parameters where the idea of ‘highest’ has meaning.

See Also LTP.


The colour (pigment) element of colour notation.

See Also saturation.



The I-Wheel on the right hand side of the console is used to control fixture intensity.

in time

The time of the fade up of the incoming cue during a crossfade. All fixtures that are increasing in intensity will come up over this time.

See Also split fade, path , fade time.

inhibitive submaster

A master that sets a maximum level on a group of fixtures. If the master is at 80%, then the fixtures will never come above 80% in the console's output.

IP address

On an Ethernet network, each Hog component has an address, called an IP address, used to identify it. You can usually use the default addresses, but if you are connecting to an existing network you may need to specify a different address, according to how your network is configured.

See Also ethernet.



A physical button on the console's front panel. The manual reserves the word "button" for buttons that appear on screen.


Kinds are collections of fixture functions organized into wheelsets. Kinds are stored in the kinds directory and exist in two different forms: fixed kinds and user kinds.

See Also fixed kind, user kind.


Knocking out is the process of removing fixtures from the Programmer window, so that they will not be recorded into cues.



Latest Takes Precedence. In this system of operation, the most recent instruction to assign the value of a parameter is the one that applies. A cue run on one master can take control of fixtures set by a cue in another master.

See Also HTP.


maintain state

The Hog 4 OS's Maintain State feature eliminates the common problem with tracking, where playing back cues out of order results in incorrect lighting states on stage.

See Also tracking.


A method of selecting information that is specific to a palette, fixture, cue, scene or group, when recording, making selections, editing, programming, or playing back cues/scenes. For example the fixed function kinds can be used to mask which function kinds (intensity, position, colour and beam) get record into a cue or palette.


"Master" is a generic term that can be used to refer to any cuelist, scene, or chase in the show. When a cuelist, scene, or chase is assigned to one of the choose keys on the console it is know as a "physical master"; otherwise it is referred to as a "virtual master".

See Also cuelist.

master wing

A Hog accessory that increases the number of physical masters available on the console by 30.

See Also master.

media picker

A graphic user interface window that displays selectabled thumnbail previews of slotted content for the current fixture selection

See Also CITP.


Musical Instrument Digital Interface. Allows communication of musical notes, programmes and timing data between electronic instruments and other devices such as lighting consoles.

See Also timecode.

MIDI Show Control

Subset of MIDI used in the entertainment industry for integrated control of lighting, sound and stage automation.


A key that is used in conjunction with other keys or buttons, to change the effect that it has. For example, the Pig key.

See Also pig key.


A network protocol or language that computers use to talk to each other over Ethernet. Hog 4 OS uses this standard protocol, which means that it can safely be connected to other networks of computers and will not interfere with them. For show-critical situations you should run Hog system on its own independent network.

See Also ethernet.


net number

The number that identifies the console when it is operating as part of a network.


Network nodes are items of equipment connected to the network. Consoles, DMX Processors and Hog 4 PC systems are all nodes.

See Also DMX Processor.


on stage

The output of the console; more specifically, the fixtures that have non-zero intensities.

open sound control (OSC)

a protocol for communication among computers, sound synthesizers, and other multimedia devices that is optimized for modern networking technology.

out time

The time of the fade of the outgoing cue during a crossfade. All fixtures that are decreasing in intensity will go down over this time.

See Also split fade, path , fade time.



A preset arrangement of cuelists residing on the masters. Pages can be changed allowing masters to be used by many cuelists.


A stored parameter setting, such as position, for one or more fixtures. Fixtures of different make or type may share the same palette.

See Also directory.


A controllable property of the light produced by a fixture. For example a fresnel has one attribute: intensity. Moving fixtures have pan and tilt parameters and perhaps colour, beam shape, and so on.

Parameter Wheel

A wheel that facilitates the control of fixture parameters. Parameter Wheels are fixture sensitive: once loaded from the fixture library, parameters are allocated logically to the wheels.


The assignment of DMX addresses to fixtures.

See Also DMX.

patch point

The set of information that defines where a fixture is patched, including DMX address, DMX universe, and DMX Processor. Some fixtures have multiple patch points.

See Also DMX, DMX address, DMX Processor.


A way of defining the way that a parameter changes during a fade. You could assign a path that makes the fixture parameter snap to its final value at the start of the fade, for example. Paths should not be confused with conversion curves; paths are the properties of a cue, while a conversion curves is the property of a fixture.

See Also fade time, conversion curve.

pig key

The Pig button is a modifier key, and may be used in conjunction with other keys to alter their function.

pile on

A system where new objects are added to previous ones, rather than replacing them. Hog 4 OS can be assigned to pile on desktop views, so that new windows are opened but ones from the previous view are not closed.


recangular plot objects which can be used to map the pixels of rich media content (photos and videos) onto lighting fixtures through a process known as PixelMapping.

pixelmap Layer

programmable fixtures that are used to send media content to PixelMaps.

playback wing

A Hog accessory that increases the number of physical masters available by 10.

See Also master.


a user created graphical layout that contain programable objects such as fixtures and PixelMaps. Plots can be used to select fixtures, gather fixture feedback, and apply PixelMapping values to fixtures.

point cue

A cue who's number contains a decimal point. Point cues are initially given whole numbers, but a point cue can be inserted between two whole number cues. For example, cue 2.5 is a point cue between cues 2 and 3.

port number

On a computer network, the port number defines a particular type of network traffic. In the case of a Hog network, each show running on the network has its own port number, so that a console can identify and connect to a particular show.


A window where cue and scene data is created or edited. The Programmer takes priority over all commands sent to a fixture elsewhere in the console.



The adjusted speed at which a recorded cuelists, scenes, chases, and effects are played. For recorded chases rate is represented in beats per minute. For recorded cues, scenes, scenes, and effects rate is represnted in percentage. For example, a 2s cue will playback in 4s when the cuelist it is part of has a rate of 50%.

Rate Wheel

The wheel on the left hand side of the Hog 4 console and Hog 4 PC used for adjusting playback and effect rates.

remainder dim

Used after selecting a fixture or group of fixtures, setting all remaining fixtures to a zero intensity level.



The amount of pigment in colour notation.

See Also hue.


a single cue stored in the scene directory that has full timing features but does not belong to a cuelist. Scenes can be used to store a single look that may be called back for use in later programming, or to play back many simple looks directly from physical or virtual masters.

See Also cue, cuelist.

selection order

The order in which the user selects fixtures into the Programmer or editor. Hog 4 OS remembers this and can apply fanning, or effects according to a fixture's place in the sequence. The sequence is recorded as part of groups and palettes.

See Also group, palette.

show server

The Hog console that ‘owns’ a show. Other consoles may join the show, but the original console that created the show will remain the show server.


A discrete step in a parameter's range, such as the position of a gobo wheel.


A form of time code that can be used to synchronise the operation of various controllers, for example synchronising lighting to video playback.

Soft Key

The Soft Keys are the row of keys above and below the touchscreens. They mimic the function of toolbars docked along the edge of the screens.

See Also toolbar.

soft parameter value

See tracked value.

split fade

A crossfade where the incoming and outgoing cues have different times, causing an imbalanced or dipped fade profile.

See Also crossfade, in time, out time.


A way of displaying values in a grid. Hog 4 OS editor windows use a spreadsheet to display parameter values.


A console function that will put any values that are "on stage" (in playback from a master) for the selected fixtures into your current active editor.


When you want to connect more than two Hog components together, then you need a special piece of equipment to allow them to interconnect called an Ethernet Hub or Ethernet Switch.

See Also ethernet.



A network protocol or language that computers use to talk to each other over Ethernet. Hog 4 OS uses this standard protocol, which means that it can safely be connected to other networks of computers and will not interfere with them. For show-critical situations you should run the Hog system on its own independent network.

See Also ethernet.


A long, thin window with a series of buttons, that generally sits along the top or bottom edge of the screens. When in this position, a toolbar is said to be ‘docked’.

See Also Soft Key.

touch screens

The two LCD screens on the console, which display and allow the user to select information from them.

touched value

A parameter value that has been assigned or edited by the user. Values which are not touched will remain at their default value.

See Also default value, tracking.


A method of synchronising the console with other playback sources, such as music, video or film. Hog 4 OS supports MIDI, Linear Timecode and Video Timecode.



Cues have several values that control timing: fade, wait, delay and path.

See Also fade time, wait time, delay time, path .

tracked value

The output of a master running a cuelist is a mix of hard and tracked parameter values. Hard values are those that are in the current cue, while tracked values are those that have tracked through from previous cues.

See Also tracking.


A method of dealing with cuelists that does not record information in a cue unless it is a change from the previous cue. This allows multiple cuelists to be running at the same time without them interfering with each other.

See Also hard value, tracked value, touched value, default value.



A network protocol or language that computers use to talk to each other over Ethernet. Hog 4 OS uses this standard protocol, which means that it can safely be connected to other networks of computers and will not interfere with them. For show-critical situations you should run the Hog system on its own independent network.

See Also ethernet.

user kind

User kinds are customized kinds built by the user, allowing you to create smaller collections of fixture functions on fewer wheelsets.

See Also kinds.


Universal Serial Bus: a means of connecting computer peripherals such as keyboards and mice. Hog consoles also use USB to connect expansion wings.

See Also playback wing.



An user-defined arrangement of windows that can be accessed with a single button press from the View Toolbar.

virtual master

A means of running a cuelist without having it attached to a physical master on the console.

See Also cuelist, master.


A real-time computer rendering package, that allows the Programmer to create their lighting virtually before getting to the venue.

virtual user number

When more than one dotted user number fixtures share a common whole number, that whole number is considered to be a virtual user number for those fixtures if no other fixtures in the show are assigned to just that pure whole number.


wait time

The time between the previous cue being triggered and the current one being run automatically. Not to be confused with the delay time.

See Also delay time.


the building blocks of both fixed kinds and user kinds that specify how fixture funtions assigned within a kind are displayed on the console's main encoder wheels when a fixture selection is made.

See Also kinds.

white point

A definition of white light used by Hog 4 OS's colour calibration system to match the colour of fixtures with different lamp types, such as tungsten and arc.


A device that allows the connection of accessories to the console or PC via USB. Such accessories may range from input control panels to DMX outputs.

See Also USB.



Allows the size of beam/ image to be adjusted whilst maintaining its focus.