ViewSonic LD-STND-002 Guide De Démarrage Rapide page 12

Installing the LED Modules
Install each LED Module onto the Cabinets, being sure to match the corresponding
numbers on the Module to the Cabinet. Ensure each Module is flush and that there is
little to no gap between each. It may be necessary to gently tap the module to make it
flush.
CAUTION
Please wear Anti-Static Gloves before handling the LED modules.
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