Daktronics AF-3160-34-R,A - Manual (Page 12)

Module: 34mm Galaxy modules are 8 pixels high by 8 pixels wide. Each is
individually removable from the front of the display. Refer to the module in
Figure 3
below.
Figure 3: 8x8 Red LED Module
Module Latch Assembly: Device utilizing a rotating retainer bar to hold the module
firmly to the display frame. There are two per module: one near the top and one near
the bottom. Use a 1/8" Allen wrench to turn the retaining bar.
Driver/Pixel Board: The LED pixels are mounted directly onto the driver/pixel
board. This board is also responsible for the switching and intensity levels of the
LEDs.
Pixel: Cluster of LEDs. The number and color of the LEDs depends on display
application.
Power Supply: Converts AC line voltage from the load center to low voltage DC for
one or more module driver boards.
RS232: RS232 is a standard PC communication type with a maximum cable length
of 25 feet (7.62 meters).
Introduction 1-6