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Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, bear with us; re-confirm and post back with the complete model number of the TV. A good number of models of this brand operates on a different remote control type; i.e. RF (radio frequency) rather than IR (infrared) hence in most instances, the original remote would have to be used.
In some others, there is a single multi-function button located at the lower rear of the TV near 1 side.
This button (depending on the model) may just offer a few functions such as (but not necessarily limited to):
All other functions may not be available with such a limited function / single button. Then yes; the original Vizio remote would have to be used.
I understand and would look forward to an update when able.
No, the earlier description of the functions of this button would still hold true for a Vizio M422i-B1. It has no effect on the remote control and is simply a manual means of limited functions.
Is this a fresh new install of the Vizio M422i-B1? ...or has it been in use for some time? ...using the original remote or some other remote?