Daktronics Galaxy Series, Manual

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Controller: The controller is the “brains” of the display. Shown below in
Figure 2
,
the controller receives signal information from the control computer, translates it,
and activates the appropriate pixels on the display accordingly.
Figure 2: Version 3 Controller
Control Area Network: Serial Communication Protocol supporting distributed real-
time control and multiplexing. The light and temperatures sensors use this type of
protocol.
Display Address: The display address is an identification number assigned to each
display of a network. Rotating the address switches on the controller sets it. The
control software uses the address to locate and communicate with each display.
Displays that are on the same network cannot have the same address.
Galaxy:
Daktronics trademarked name for LED monochrome, tri-colored or RGB
matrix displays.
Network: A network consists of multiple displays connected to each other. Up to
240 displays can exist on one network.
LED (light emitting diode): Low energy, high intensity lighting units.
Louver:
Black plastic shade positioned horizontally above each pixel row. The
louvers increase the level of contrast on the display face and direct LED light.
Introduction
1-5