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Figure #21a New CPU Board inside the Sign
Mounting the External Antenna
1.
Drill a 5/8” hole in ID#1 side of LED cabinet 9 inches below the top of the LED cabinet to
accommodate the bulkhead connector. Be careful not to interfere with the light Sensor
mounted inside the cabinet. See figure #22
2.
Mount the bulkhead connector in the hole you drilled in step#1. The “O” ring goes on the
outside of the cabinet. The lock washer and retaining nut goes on the outside of the
cabinet. See figure #23.