Contents

M-SeriesUser Manual
- Table Of Contents
- Safety & Certification
  - THANK YOU FOR CHOOSING VIZIO
  - PRODUCT REGISTRATION
  - WHEN READING THIS MANUAL
  - IMPORTANT SAFETY INSTRUCTIONS
  - TELEVISION ANTENNA CONNECTION PROTECTION
    - Lightning Protection
    - Power Lines
- Getting to Know Your TV
  - FRONT PANEL
    - Remote Sensor and Power Indicator
  - REAR PANELM556-G4 & M656-G4
  - REAR PANELM706-G3
    - Connecting a device AUDIO & VIDEO CABLE TYPES
    - Connecting a device AUDIO CABLE TYPES
  - WALL-MOUNTING THE TV
    - To install your TV on a wall:
  - USING THE REMOTE
    - Replacing the Batteries
- Completing The First-Time Setup
  - Before you begin the first-time setup:
- Using the On-Screen Menu
  - NAVIGATING THE ON-SCREEN MENU
  - CHANGING THE INPUT SOURCE
    - Input Name
  - CHANGING THE SCREEN ASPECT RATIO
  - ADJUSTING THE PICTURE SETTINGS
    - Adjusting More Picture Settings
    - Adjusting the Color Temperature
      - To adjust the color temperature:
    - Adjusting the Picture Mode Edit Settings
      - To adjust the Picture Mode Edit settings:
    - Saving a Custom Picture Mode
      - To save a custom picture mode:
    - Locking/Unlocking a Custom Picture Mode
      - To lock all custom picture modes:
      - To unlock all custom picture modes:
    - Deleting a Custom Picture Mode
      - To delete a custom picture mode:
      - Resetting a Picture Mode
      - To reset a customized preset picture mode:
    - Adjusting the Color Tuner Settings
      - To access the color tuner table:
      - To turn color channels off and on:
      - To adjust the color management system/2 point white balance settings:
      - To adjust the 11 Point White Balance settings:
      - To show or hide the SMPTE Test Pattern:
      - To show or hide the Flat Test Pattern:
      - To show or hide the Ramp Test Pattern:
      - To show or hide the Uniformity Analyzer Test Pattern:
  - ADJUSTING THE AUDIO SETTINGS
  - ADJUSTING THE NETWORK SETTINGS
    - Connecting to a Wireless Network
    - If you do not see your wireless network displayed, click on:
    - Changing the Manual Setup Settings
      - To change advanced network settings:
      - To find the TVs MAC address:
    - Connecting to a Hidden Network
      - Testing Your Network Connection
  - SETTING TIMERS
    - Setting the Auto Power Off Feature
      - To set the Auto Power Off feature:
    - Using the Blank Screen Feature
      - To use the Blank Screen feature:
  - SETTING UP CHANNELS
    - Scanning for Channels
      - To perform an Auto Channel Scan:
    - Skipping Channels
      - To remove a channel:
  - LISTENING TO ALTERNATE AUDIO
    - Changing the Analog Audio Language
      - To use the Analog Audio feature:
      - To use the Digital Language feature:
  - USING PARENTAL CONTROLS
    - Accessing the Parental Controls Menu
    - Enabling or Disabling Program Ratings
      - To enable or disable the Program Rating feature:
    - Locking and Unlocking Channels
      - To lock or unlock a channel:
    - Blocking and Unblocking Content by Rating
      - To block or unblock content by its rating:
  - SETTING UP CLOSED CAPTIONING
    - Changing the Appearance of Digital Closed Captions
      - To change the appearance of digital closed captions:
      - Typical choices include:
  - CHANGING INPUT SETTINGS
    - Renaming Devices on the Input Menu
      - To change the name of an input:
      - To use a preset input name:
      - To enter a custom name:
  - CHANGING THE TV SETTINGS
    - Checking for System Updates
      - To check for a system update:
    - Viewing System Information
    - Changing the On-Screen Menu Language
      - To change the on-screen menu language:
    - Setting the Time and Local Settings
      - To turn Daylight Saving Time on or off:
    - Adjusting the CEC Settings
      - To enable, disable, or adjust CEC settings:
    - Adjusting the Power Mode
      - To switch between Eco Mode and Quick Start Mode:
    - Changing the TV Name
    - To edit your TV name:
    - Managing Mobile Devices
      - To see a list of paired devices or unpair a device:
    - Accessibility Settings
      - To access the Accessibility menu:
      - To access the Closed Captionmenu:
      - To access the Video Description menu:
  - USING THE RESET & ADMIN MENU
    - Restoring the TV to Factory Default Settings
      - To restore the TV to its factory default settings:
    - Performing a Soft Power Cycle
    - Turning the Power Indicator On or Off
      - To turn the Power Indicator Light On or Off:
    - Setting a System PIN
      - To create a PIN .
    - Using the USB Power Feature
    - About Viewing Data
  - USING THE INFO WINDOW
- SmartCast Home
  - What is SmartCast Home?
  - How to Launch SmartCast Home:
  - What you can do with SmartCast Home
  - Control your TV with the SmartCast Mobile App
- WatchFree
  - What is WatchFree?
  - What you can do with WatchFree
  - How to Launch WatchFree
- Playing USB Media
  - Music
  - Video
  - Photo
- Product Registration and Technical Support
- Help Topics
  - The remote is not responding .
  - The TV displays No Signal .
  - There is no power .
  - The power is on, but there is no image on the screen .
  - The sound is flat or dialog is not audible.
  - Where do I find information on the accessibility features of this product and other VIZIO products?
  - How do I stream apps like Netflix to my VIZIO SmartCast TV?
  - The colors on the TV dont look right.
  - There is no sound .
  - The image quality is not good .
  - The picture is distorted .
  - The TV image does not cover the entire screen .
  - The TV has pixels (dots) that are always dark .
  - The buttons on the remote arent working.
  - I see noise or static on the screen .
  - When I change input source, the TV image changes size .
  - How do I download the VIZIO SmartCast Mobile App?
  - How do I change the Inputs?
  - How do I connect to my Wi-Fi network?
  - How do I exit Demo Mode
  - How do I watch Cable/Antenna TV channels?
  - Some of my Channels are missing .
  - How do I disable/enable Viewing Data?
  - The television will not turn on using Alexa or Google Assistant .
  - How do I know I am getting 4K resolution or HDR content such as Dolby Vision?
- Specifications
- Regulatory Information
  - FCC Class B Radio Interference Statement
  - Notice
  - FCC Warning
  - Caution
  - Canada Notice for License-Exempt Radio Apparatus
- Limited Warranty
  - UNITED STATES AND CANADA
  - How Long This Warranty Lasts
  - What This Warranty Covers
  - Zero Bright Pixel Defect Guarantee (Displays Only)
  - How to Get Service
  - Your Obligations Before Service
  - VIZIOs Responsibilities
  - Types of Service
  - What This Warranty Does Not Cover
  - What to Do If You Are Not Satisfied With Service
  - Binding Arbitration Agreement; Class Action Waiver (U .S . Residents Only)
  - Exceptions to Binding Arbitration Agreement and Class Action Waiver
  - Exclusions and Limitations
  - How the Law Applies
  - General
  - Changes to Warranty
- Legal Information
  - Software Licenses
  - Export Regulations
  - Internet Connectivity and App Availability
  - Battery Disposal
  - Product Recycling
  - Packaging Disposal
  - Accessibility

Vizio M556-G4 User Manual

Pages 49

Year 0

Language(s)

of 49

Vizio M556-G4 TV Specification

The Vizio M556-G4 is a 55-inch 4K UHD Smart TV that offers a compelling blend of advanced features and competitive pricing. It is part of Vizio's M-Series Quantum lineup, known for delivering superior picture quality through Quantum Dot technology. This technology enhances color accuracy, providing a vibrant and lifelike viewing experience with over a billion shades of color. The TV supports a resolution of 3840 x 2160 pixels, offering sharp and detailed images.

The M556-G4 is equipped with Vizio's SmartCast platform, which provides access to popular streaming services and apps, ensuring seamless entertainment options. It is compatible with voice assistants like Amazon Alexa and Google Assistant, allowing users to control the TV using voice commands. The device features a full-array LED backlight with local dimming, improving contrast and deepening black levels for more immersive visuals.

This model includes a 120Hz effective refresh rate with Vizio's Clear Action technology, minimizing motion blur and enhancing clarity during fast-paced scenes. It supports HDR formats, including Dolby Vision, HDR10, and HLG, offering enhanced brightness and contrast. Connectivity options include multiple HDMI ports, USB ports, and built-in Wi-Fi, ensuring easy connections to external devices and the internet.

The TV's design is sleek and modern, with thin bezels that maximize the screen area. Its integrated speakers deliver DTS Studio Sound, providing a decent audio experience, although users might prefer adding a soundbar for enhanced audio quality. The Vizio M556-G4 is a versatile and feature-rich television that caters to users seeking high-quality visuals and smart functionality at an affordable price point.

Vizio M556-G4 TV F.A.Q.

How do I connect my Vizio M556-G4 TV to Wi-Fi?

To connect your Vizio M556-G4 TV to Wi-Fi, press the 'Menu' button on your remote, navigate to 'Network', select 'Wi-Fi Setup', and choose your network from the list. Enter the Wi-Fi password when prompted and confirm the connection.

Why is my Vizio M556-G4 TV not turning on?

If your Vizio M556-G4 TV is not turning on, ensure it is plugged into a working power outlet. Try pressing the power button on both the remote and the TV itself. If the issue persists, unplug the TV for a minute, then plug it back in and try again.

How can I perform a factory reset on my Vizio M556-G4 TV?

To perform a factory reset, press the 'Menu' button, navigate to 'System', select 'Reset & Admin', and choose 'Reset to Factory Settings'. Confirm your selection and the TV will reset to its original settings.

What should I do if there's no sound coming from my Vizio M556-G4 TV?

Check the volume level and ensure the TV is not muted. Verify that the audio cables are connected properly if using external speakers. Try resetting the audio settings by going to 'Menu', 'Audio', and selecting 'Reset Audio Settings'.

How do I update the firmware on my Vizio M556-G4 TV?

To update the firmware, make sure your TV is connected to the internet. Press the 'Menu' button, navigate to 'System', and select 'Check for Updates'. Follow the on-screen instructions to complete the update process.

Why is the picture quality on my Vizio M556-G4 TV poor?

Ensure that the input source is providing a high-definition signal. Adjust the picture settings by going to 'Menu', selecting 'Picture', and tweaking options like brightness, contrast, and sharpness.

How do I enable HDMI-CEC on my Vizio M556-G4 TV?

To enable HDMI-CEC, press the 'Menu' button, go to 'System', select 'CEC', and toggle the setting to 'On'. This allows your TV to communicate with other CEC-enabled devices connected via HDMI.

What can I do if my Vizio M556-G4 TV remote is not working?

Replace the batteries in the remote and ensure there are no obstructions between the remote and the TV. You can also try resetting the remote by removing the batteries, pressing all buttons, and reinserting the batteries.

How do I adjust the screen size on my Vizio M556-G4 TV?

Press the 'Menu' button, navigate to 'Picture', and select 'Aspect Ratio'. Choose the aspect ratio that best fits your content, such as 'Wide', 'Zoom', or 'Normal'.

What is the best way to clean the screen of my Vizio M556-G4 TV?

Turn off the TV and gently wipe the screen with a dry, soft microfiber cloth. For stubborn smudges, lightly dampen the cloth with water or a screen-cleaning solution. Avoid using paper towels, abrasive materials, or chemical cleaners.