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Dynamic Message Solutions, Inc. LEDSA Module Upgrade. Step 1 Turn off Power Switch. Step 2 Remove Existing SA/1HB Module. Module retainers are spring loaded – no tools required!. Step 3 Unplug Data & Power Cords. Step 4 Plug in Data Cables. Step 5 Plug in Power Connector.
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Dynamic Message Solutions, Inc. LEDSA Module Upgrade
Step 2Remove Existing SA/1HB Module Module retainers are spring loaded – no tools required!