| 摘要 |
Electronic indoor or outdoor alpha-numeric sign display system featuring readily accessible access to internally located electronic and other components from either the front or the rear of the sign display system for quick changeout of components. Opposing accessible spring latch rods located interiorly to a sign display module including a reflector/lens/louver assembly engage opposing catches on catch panels located in the interior of an enclosure or frame to secure the sign display module to the enclosure or frame. The spring latch rods are operated by special tools from the front or rear of the sign display system for disengagement of the sign display module from the enclosure or frame.
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