Vizio M652i-B2 - Quickstart Guide - Manual (Page 9)

ALT
Press and hold while pressing another
key to enter a blue character. For
example, press ALT and W to enter
a # character.
ARROW
Navigate the on-screen menu.
DO NOT COVER THIS AREA
This is the transmitter.
SHIFT
Press and hold while pressing
another key to enter a
capital letter.