Do you have a question about the RCA MINI YAGI and is the answer not in the manual?
Line up holes and secure balun housing/middle element to the antenna boom with screws.
Slide rear element into boom, align holes, and secure with screw.
Place element caps on element ends and end caps on antenna ends.
Insert antenna boom into mast clamp and secure with U-bolt and wingnuts.
Loosen wingnuts for mast insertion, then tighten to secure antenna.
Connect one end of coaxial cable to antenna's jack, use weather boot outdoors.
Connect the other end of the coaxial cable to your TV's antenna jack.
Refer to your TV's owner's manual for channel scanning instructions.