Vizio E420i-B0 - Quickstart Guide - Manual (Page 10)

2
Remove the battery cover by pressing gently on
the V logo and sliding away from the remote.
Insert the included batteries.
Gently slide the battery cover back into place.
3
If you have a high-speed internet connection,
connect an Ethernet cable from your modem
or router to the back of the TV as shown.
For the best Smart TV experience, VIZIO
recommends using an Ethernet cable.
However, your TV also has built-in Wi-Fi. See the
Connecting to the Internet with Wi-Fi section
for more information.
Back of TV
Ethernet
Cable