Glossary

A

Art-Net:
Art-Net 3 Ethernet communication standard. A protocol for transmitting the lighting control protocol DMX 512-A via the User Datagram Protocol of the Internet Protocol suite. For information on how to use Art-Net see Network Protocols. For information on how to assign Art-Net Presets on ports for the MA Network Switch see Control the MA Network Switch - Edit Presets.

Attributes:
Controllable function of a fixture, e.g., pan or gobo wheel3.

Auto Fixed:
If you change the page, all executors which are on will automatically be fixed. 

B

Blind:
Create values without DMX output. For more information see Blind Key and Blind Command.

B.O. (black out):
Brings dimmer values to zero. For more information see B.O. Key.

BPM (beats per minute):
Speed of chasers or effects is counted in beats per minute.

C

Channel:
For more information see Channel Sheet.

Channel Sets:
Predefined values within the fixture type for fast access.

Chaser:
A chaser is an executor mode that runs randomly, in a loop or bounces in the cue list. For more information see Chasers. 

Cmd (Command):
Instructions you enter into the console.

Command Section:
Area on the right of the console used to enter commands into the command line using keys. For more information see Command section. 

Command Line:
The command line is located at the bottom of screen 1 and screen 2. It is used to enter commands into the console. For more information see Workspace - User Interface - Command Line.

Constant bit rate (CBR):
Constant bit rate defines the bit rate images are encoded with. The data stream is constant. This means that every image has the same size. Constant bit rate is used in bitmap fixtures.

Control:
Control attributes are, for example lamp control, fixture global and scan rate.

Cue:
Cues contain values that were stored. For more information see What are cues and sequences. 

Cue List:
List containing more than one cue and which is stored on an executor.

D

DHCP (Dynamic Host Control Protocol):
Is a standardized network protocol used on Internet Protocol (IP) networks for dynamically distributing network configuration parameters, such as IP addresses for interfaces and services. With DHCP, computers request IP addresses and networking parameters automatically from a DHCP server, reducing the need for a network administrator or a user to configure these settings manually. To enable or disable DHCP for the MA Network Switch see Control the MA Network Switch - Enable DHCP client.

Dimmer Wheel:
The wheel located rightmost on the console. It is always assigned to the dimmer attributes of the selected fixtures.

DMX (digital multiplex, DMX 512):
Communication protocol that connect light consoles with fixture types.

DMX address:
Is the start address which you have on the fixture and in console.

DMX channel:
Each attribute of a fixture needs one (8bit) or two (16bit) DMX channels. 512 DMX channels are one DMX universe.

DMX footprint:
Is an indicator for how many DMX channels the fixture type needs.

DMX universe:
One DMX universe contains 512 DMX channels. You can connect one universe to one XLR connector.

DVI-D (digital visual interface - digital):
Connection for external screen. For more information see Device Overview.

E

Effect:
Manipulates and creates looping changes of values from attributes.

Encoder:
The five round rotary knobs below screen 1, to control values of attributes or scroll on the screen. For more information see Device Overview.

Ethernet:
Is a local network with bus topology, what allows multiply devices access at the same time. It is used for communication between light consoles. The grandMA2 consoles have two Ethernet connectors. For more information see Device Overview.

Executor:
Button and fader executor on the console and executor in the virtual playbacks. You store cues on an executor. For more information see What are executors. 

Executor Button:
Physical key on the console to execute cues.

Executor Fader:
Physical fader on the console to execute cues.

Executor Time Master:
Overrides cue fade and on/off times and sets the cue delay to zero.

F

Fade time:
Time for changing from one value to another value.

Fader Wing:
Is an extension for the console with additional faders and executor Buttons.

Feature:
Group of attributes.

Fixture ID:
Unique identifier for each fixture. Set the fixture ID in the Patch & Fixture Schedule. 

Fixture Library:
Library with all common fixture types to import fixture types into the show file.

Fixture Type:
Every device you can control from the console. In the fixture type is the assignment of the attributes to the DMX channels.

Flip:
Flip is a function to change the pan and tilt combination and point your fixture in the same direction. Refer to, Position Preset Type View.

Frame (fps = frames per second):
Is a picture frequency. The default setting is 30 fps. From this follows that 1 frame is equivalent to 0.03 seconds.

G

Grand master:
Fader rightmost at the console to reduce all dimmer values. For more information see Device Overview.

Groups relating to the Groups Pool:

Groups relating to the MA Network Switch:
A logical segment of network users and resources grouped by function, team, or application. This segmentation is without regard to the physical location of the users and resources. Also known as VLAN. To edit groups see Control the MA Network Switch - Edit Groups.

H

Hue:
The color of a color notation in an angle between 0 and 360 degrees.

I

IGMP (Internet Group Management Protocol):
A protocol that manages how adapters and other components join and leave multicast groups. IGMP snooping is a feature of IGMP that allows Ethernet switches to look (snoop) inside packets to determine which destinations really need to receive the data. To edit IGMP settings for the MA Network Switch see Control the MA Network Switch - Edit Groups.

Instances:
Single controls of the fixture types, e.g. one pixel of a LED panel.

Iris:
An aperture that controls the beam size of a fixture.

L

LLDP (Link Layer Discovery Protocol):
Used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network. LLDP will be disabled or enabled along with RSTP. To enable or disable RSTP see Control the MA Network Switch - Configure Ports.

Lua:
Is a multi-paradigm programing language primarily designed for embedded systems and clients. 

M

Macro:
Prerecorded command combinations.

MA-Net2:
Integral part of the MA System architecture. All MA series 2 devices are connected via the MA-Net2 as if they were one device. All of these components contain all system data that is needed to control the processes and to synchronize the outputs in real-time. To use MA-Net2 see Network Protocols. To assign MA-Net2 Presets on ports for the MA Network Switch see Control the MA Network Switch - Edit Presets.

Master Rate:
The master rate multiplies all timings by a factor.
The factors from the master rate goes from Stop (= no further output) via 1:1 (=stored timings) up to 256 (=multiplies the timing by 256).
The master rate is a dynamic fader that means, if that fader has the position of 50 % the rate fader has the factor 1:1. From 1:1 the fader goes dynamic up to 256 that equates a fader position from 100 %. It is the same from 1:1 down to Stop.

Master Speed:
Controls the speed of effects and the playback speed of chasers.

Mbps (Megabit per second):
Unit of data transfer rate. The data transfer rate of the etherCON ports is 10/100/1000 Mbps.

MIDI (musical instrument digital interface):
A standard to exchange control signals with the console.

MSC (MIDI Show Control):
MSC sends the executor functions via MIDI signal to another device, e.g. another console or a MIDI sequencer.

N

Natural Values:
The dot2 displays all raw channel views in natural values with one decimal place.
Usually the range is from 0 to 100 and equates the DMX values from 0 to 255.
Exception: The range from pan is -270 to 270 and from tilt is -125 to 155.

O

Out Delay:
Wait time for dimmer values going to a lower intensity level.

P

Pan:
Horizontal movement axis of an fixture.

Presets:
There are nine preset types to control from the console. Refer to, Preset Pool View and Preset Type Bar.

Priority:
Some values have a higher priority than others. In other words, they will not be overwritten by those with a lower priority. The programmer, for instance, has a higher priority than an executor. 

Programmer:
Is a container with the current selection of fixtures and values of manual adjusted attributes. Programmer values are red values. For more information about the colors see Workspace – Colors.

Program Time Master:
The program time master controls the fade times of all program values and effects between the 0 and 10 seconds. Adjust time in Setup – User – Settings – Max. Program Time. 
This affects both, the adding of new values into the programmer, and the removing of values from the programmer with the Clear key.
The program time master can be a fader. Refer to, Empty Executor Window.

R

RDM (= Remote Device Management Protocol):
Permits intelligent bidirectional communication between devices from multiple manufacturers using a modified DMX512 data link. RDM is an EF 1.0 implementation of ANSI E1.11 (DMX512-A). To use RDM see RDM.

Rpm (revolutions per minute):
Rotation speed of a gobo wheel in the unit revolutions per minute.

RSTP (Rapid Spanning Tree Protocol):
Provides significantly faster spanning tree convergence after a topology change, introducing new convergence behaviors and bridge port roles to do this. To enable or disable RSTP for a port see Control the MA Network Switch - Configure Ports.

S

sACN (streaming Architecture for Control Networks)
ANSI E1.31-2009. A protocol to transport DMX512 data over IP networks. To use sACN see Network Protocols.

Shutter:
Fast open and close of the light output of a fixture type.

SMPTE (society of motion picture and television engineers):
Is a timecode to synchronize different devices from different manufacturers in the audio and video technology.

Snap:
A lot of fixture types with gobo and color wheels have snap channels.
That means those attributes will be directly executed disregarding the cue fade time.

Snap Percent:
Is a setting after how much percent of the fade time the attribute will be executed.
The default value for snap channels is 0 %.

Spanning Tree:
Used with network topologies that provide more than one physical path between two devices, spanning tree protocol manages path redundancies while preventing undesirable loops in the network. If a fault should occur on an active port, the switch will begin transmitting out one of the blocked ports.

Special Master:
Is an executor with a special function, e.g. Program Time Master or Master Rate.

Speed Master:
See Master Speed. 

Strobe:
Repeating fast open and close of the light output of a fixture.

T

Tilt:
Vertical movement axis of an fixture.

Trig (Trigger):
Call of a cue.

Trunk:
This is the name given to the interconnection links between switches in a network. The Trunk links are meant to forward the groups based packets. In most case, the Trunk links will be the redundant links. To assign a port the Trunk group see Control the MA Network Switch - Configure Ports.

U

UID (= Unique Identifier):
All RDM devices have a unique identifier (UID) that consists of a manufacturer ID and serial number. The UID can be used as an option for several RDM keywords. To get a list of all available RDM keywords, see specific RDM keywords.

Universe:
See DMX Universe.

V

VLAN (Virtual local-area network):
For more information see Groups relating to the MA Network Switch.

W

Web remote:
Grants remote access to the grandMA2 console via a web browser.

X

XFade:
Is the right fader next to the Master Fader. With the XFade you fade manual from one cue to the next cue.

XLR A-D:
Four pin connector for DMX signal at the back of the console. For more information see Technical Data.