Daktronics GPR-12EV-RGB - Manual (Page 39)

Glossary 33
Glossary
Controller: The “brains” of the display. The controller receives signal communication from the
computer and sends the appropriate information to the multi-line controller (MLC). Presentations
and schedules may also be stored on the controller for use when desired.
Display Address: An identification number assigned to each display of a network. The control
software uses the address to locate and communicate with each display. Displays that are on the
same network must have different addresses.
GalaxyPro ® Revolution: One of Daktronics’ trademarked names for commercial LED matrix
displays.
Light Emitting Diode (LED): A low-energy, high-intensity lighting unit. LEDs are the smallest
portion of the presentations that appear on the display.
Louver: A black plastic ledge positioned above either individual LEDs or each row of LEDs. Louvers
block sunlight and increase the level of contrast on the display face.
Mirror: The second display in a two view (2V) configuration. The mirror display does not have a
controller so it displays an exact copy of the information on the primary display. All signal
information to the mirror is received through an inter-connect cable from the primary display.
Module: The primary component of a display consisting of LEDs attached to a circuit board encased
in a hard plastic body. Individual module sizes vary depending on the pixel pitch of the display and
each is individually removable from the front of the display.
Multi-line Controller (MLC): A component that distributes signal from the controller or another
MLC to a number of modules.
Network: Consists of multiple displays connected to each other. As many as 240 primary displays
can exist on one network.
Picture Element (Pixel): A single LED or cluster of LEDs which work together to create images. The
number and color of the LEDs will depend on the pixel pitch. For example, smaller pixels contain
fewer LEDs while larger ones contain more LEDs.
Primary: A single-faced unit or the first display in a Primary-Mirror (2V) configuration. The
communication signal, light sensor and temperature sensor are connected to this display. The
information from these components is relayed from the primary display to the mirror display so that
it shows exactly the same information. An inter-connect cable transfers this information from the
primary to the mirror display in this configuration.
Pixel Pitch: The amount of space between the center of two pixels (16 mm, 20 mm, etc.). The pixel
pitch is equidistant both vertically and horizontally.
Venus ® 1500: The software on the control computer used to create presentations and send them to the
displays. The Venus ® 1500 software manual is included on the installation disk.