ViewSonic LD-STND-003 Guide De Démarrage Rapide page 13

6. Repeat the above steps for the Middle and Left Cover. Once all of the Covers are
secured, your LED Display is ready to power on.
RS232 USB USB USB OUT HDMI HDMI 2 1 HDMI OUT AUDIO USB-B LAN
STAND-BY INPUT BRIGHTNESS
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LD108-121_QSG_1a_ENG_20201109