Vizio Television M401i-A3 Specifications

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5
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 installation.
To install your TV on a wall:
1 .  Disconnect any cables connected to your TV.
2 .  Place the TV face-down on a clean, flat, stable surface. 
Be sure the surface is clear of debris that can scratch or 
damage  the TV.
3 .  Remove the base and neck by loosening and removing   
the screws.
4 .  Attach your TV and wall mount to the wall, carefully following 
the instructions that came with your mount.  
 
Use only with a UL-listed wall mount bracket rated for the 
weight/load of this TV. See 
Appendix B - Specifications for the 
weight of this TV.    
						

							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.
Power/Input - Press once to turn on the TV. Press once to 
access the input menu. Press and hold to turn off the TV. 
6  
						

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7
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 the on-screen menu. 
GUIDE 
Display the info window.
3D
(Not available on this model.)
V BUTTON 
Open the VIZIO Internet Apps Plus™ (V.I.A. 
Plus) dock.
CHANNEL UP/DOWN 
Change the channel.
LAST 
Return to the channel last viewed. 
DASH 
Use with number pad to manually  
enter a digital sub-channel.  
(For example, 18-4 or 18-5.)
A/V CONTROLS 
Control USB media player and   
video streaming playback.
DEVICE POWER 
Turn devices on or off.
LIST 
Display the channel guide   when using a set-top box.
EXIT 
Close the on-screen menu.
VOLUME UP/DOWN 
Increase or decrease loudness   of the audio.OK 
Select the highlighted option.
BAC K  
Go to the previous on-screen menu.
MUTE 
Turn the audio off or on.                
						

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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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10
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 Resolution
BETTER
COMPONENT CABLE• ANALOG • HD VIDEO (1080i)* • STEREO AUDIO
BEST
HDMI CABLE • DIGITAL 
•  HD VIDEO (1080p)* 
• HD AUDIO
GOOD
AV CABLE
• ANALOG 
• VIDEO (480i)* 
• STEREO AUDIO
BETTER
Coaxial CABLE• ANALOG • HD VIDEO (1080i)* • STEREO AUDIO      
						

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11
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 and Video Signals
• 
Video Resolutions up to 480i
•  Analog Connection
•  Audio and Video Signals
CONNECTING A DEVICE - AUDIO AND VIDEO CABLE TYPES
COAXIAL CABLE
Coaxial  
						

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12
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 different ways over three 
connectors for video (separated into Red, Blue and 
Green signals) and the left and right audio connectors 
(Red and White).
BETTER
COMPONENT VIDEO
RLPr/Cr Pb/Cb YHDMIHDMI
• HD Video Resolutions up to 1080p
•  HD Audio
•  Digital Connection
•  Audio and Video Signals
• 
HD Video Resolutions up to 1080i
•  Analog Connection
•  Audio and Video Signals
BEST  
						

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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
GOOD
RCA CABLE• ANALOG STEREO CONNECTION • 2.0 CHANNEL
BETTER
OPTICAL/SPDIF CABLE• PCM STREAM • DOLBY DIGITAL 5.1 CHANNEL • DTS 5.1 CHANNEL    
						

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14
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 devices.
RCA CABLE
AV cables (or Composite cables) are the 
traditional way of connecting your devices to 
your audio device. Audio signals are sent over 
the red and white connectors.
GOODBETTER
•  ARC 2-way Communication   
(Auto setup)
•  PCM, DTS, Dolby Digital
•  2.0 - 5.1 Scaleable Lossless   
Digital Audio Connection
•  Audio and Video Signals
• 
PCM Stream (Lossless)
•  Dolby Digital 5.1 Channel
•  DTS 5.1 Channel
•  Digital Connection
•  Audio Signal Only
• 
Quality Stereo Connection
•  2.0 Channel
•  Analog Connection
•  Audio Signal Only
BEST
HDMI
COMPONENT VIDEO
L R
Optical/SPDIF HDMI
DIGITAL OPTICAL AUDIO
CONNECTING AN AUDIO DEVICE - AUDIO CABLE TYPES