Step 1 Loosen the body screw nut, put the ball rod into the screw nut, then connect the base to the board and hear a click to indicate that it is locked, tighten the nut.
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Step 2 Choose viewing distance and angle, then tighten the the adjustment screw
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Step 3 Fasten the retractable end of the base buckle on one side of the headrest rod, push it inward, and fasten the other side, and the installation is completed.
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