Vizio M470SV - Manual (Page 4)

INSTALLING THE BASE
1
Place the TV screen-down on a clean, flat surface.
To prevent scratches or damage to the screen, place the TV on a
soft surface, such as carpet, rug, or blanket.
Push the base into the hole on the bottom of the TV.
2
Use a phillips-head screwdriver to tighten the 4 screws.