3. Unscrew the black knob on the back of the antenna, then insert the antenna onto the antenna
base and screw the black knob back on until it is snug.
Concrete or masonry wall
1. Use the antenna base to mark the drilling positions.
2. Use an electric drill with a 7/32″ drill bit to drill four holes that are 1.38 in. (35 mm) deep,
then clean the holes.
Note: Start with a 7/32″ drill bit. If the hole is not large enough to fit the wall anchors, increase
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