Vizio Television M401i-A3 Specifications

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Installing the TV on a Wall
To mount your TV on a wall, you will need a wall mount. Consult 
the information below to find the appropriate mount for your TV 
model:
Installing a TV on a wall requires lifting. To prevent 
injury or damage to the TV, ask someone to help you.
M401i-A3
Screw Size: M6
Hole Pattern: 200mm (V) x 200mm (H)
Be sure the mount you choose is capable of supporting the 
weight of the TV. After you have determined that you have the 
correct mount for your TV, you can begin the...

2Controls and Connections
REAR PANEL
Ethernet - Connect Ethernet cable from home network. Coaxial - Connect coaxial cable from cable, satellite, or 
antenna.
Optical Audio Out - Connect optical/SPDIF audio device, 
such as home audio receiver.
Stereo Audio Out - Connect RCA audio device, such as 
sound bar. Component/Composite - Connect component or 
composite device. USB - Connect USB thumb drive to play photo, music, 
or video.
HDMI - Connect HDMI device.
REAR PANEL
HDMI - Connect HDMI device....

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FRONT PANEL
REMOTE SENSOR & POWER INDICATOR  
When using the remote, aim it directly at this sensor.
FRONT PANEL  

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8
REMOTE CONTROL
REMOTE CONTROL
INFO
MENU
GUIDE
BACK
VOL
ENTER CH
3D
1 2 3
4 5 6
7 8
0 9
EXITINPUT
LIST
OK
APP LAUNCHER 
Quickly launch the pictured App.
INPUT 
Change the currently displayed input.
HOT KEYS 
Perform functions within an   on-screen menu or app.
NUMBER PAD 
Manually enter a channel. WIDE 
Change the display mode.
ENTER 
Confirm channel or passcode  
entered using the Number Pad.
ARROW  
Navigate the on-screen menu. POWER 
Turn TV on or off.
INFO  
Display the info window.
MENU 
Display...

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9
Replacing the Batteries
1 . Remove the battery cover.
2 .  Insert two batteries into the remote control. Make sure that 
the (+) and (-) symbols on the batteries match the (+) and 
(-) symbols inside the battery compartment.
3 .  Replace the battery cover.  

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Connecting Your  Devices
CONNECTING A DEVICE
Game Console
Cable/Satellite BoxDVD/Blu-ray Player
Your TV can be used to display output from most devices. 
1 . 
Verify that your device has a video port that matches an 
available port on the TV (HDMI, Component, etc).
2 .  Turn the TV and your device off.
3 .  Connect the appropriate cable (not included) to the TV and 
the device.
4 .  Turn the TV and your device on. Set the TV’s input to match 
the connection you used (HDMI-1, HDMI-2, etc).
* Maximum...

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COAXIAL CABLE
Coaxial cables are the traditional way of connecting 
antennas and cable television signals to your TV. 
Coaxial cables carry both audio and video signals 
through a single connector.
AV CABLE
AV cables (or Composite cables) are the traditional 
way of connecting your devices to your TV. Video 
signals are sent over the yellow connector while audio 
is sent over the red and white connectors.
GOODBETTER
COMPONENT VIDEO
YLR
• HD Video Resolutions up to 1080i
•  Analog Connection
•  Audio...

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HDMI CABLE
HDMI is the intelligent, all-digital interface that delivers 
both dazzling quality and unmatched ease of use. HDMI 
technology transmits crystal-clear digital video along 
with multi-channel surround audio. HDMI-connected 
devices have the ability to automatically adjust 
themselves for optimal viewing.
COMPONENT CABLE
Component cables are designed to carry high 
definition video signals along with additional 
audio connections. Colors are delivered with color 
information split up three...

3
13
CONNECTING AN AUDIO DEVICE
Home Audio Receiver
VIZIO Sound Bar
Your TV can output sound to an audio device, such as a receiver 
or sound bar. 
1 . 
Verify that your device has an audio port that matches an 
available port on the TV (Optical, RCA, etc).
2 .  Turn the TV and your audio device off.
3 .  Connect the appropriate cable (not included) to the TV and 
the device.
4 .  Turn the TV and your device on.
BEST
HDMI CABLE• ARC 2-WAY COMMUNICATION • 2.0-5.1 DIGITAL AUDIO • PCM, DTS, DOLY DIGITAL...

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HDMI CABLE
HDMI technology transmits crystal-clear digital 
multi-channel surround audio through a single 
HDMI cable. Audio Return Channel-enabled 
(ARC) TVs allow audio to be sent over an already 
connected HDMI cable, eliminating the need 
for a separate audio cable. See 
Connecting an 
Audio Device - ARC
 on page 15.
OPTICAL/SPDIF CABLE
Optical/SPDIF cables transmit audio signals as 
pulses of light through a cable made of plastic 
fibers. Audio signals are digitally transmitted 
between...