Help library: Help library: How to Connect a UHD Antenna and Run Auto Tuning on Your TV

How to Connect a UHD Antenna and Run Auto Tuning on Your TV

Troubleshooting TVS/SOUNDBARS 09/07/2026

<body >
    
<div class="content-service-view" itemtype="HowTo">
      <p class="description info-desc">
        To watch UHD broadcasts, place a UHD antenna near a window to minimize
        signal interference.<br/>
        Next, connect the antenna to the antenna input on the back of your TV.
        Once connected, run Auto Tuning in your TV settings to scan for
        channels.
      </p>      
<div class="img-only">
        <img src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=EkTSmbVlWmJu1MbtsDMa7g&amp;portalId=P1" alt="Digital antenna and antenna input"/>
      </div>
      
<h2 class="tit mainName">
        How to Connect a UHD Antenna and Run Auto Tuning
      </h2>
      
<div class="HowToStep">
        
<h3 class="name">Step 1. Connect the UHD Antenna</h3>
        
<ol class="text">
          
<li class="txt-idt">
            1. Place the UHD antenna near a window to minimize signal
            interference.
          </li>
          
<li class="txt-idt">
            2. Connect the antenna cable to the antenna input on the back of
            your TV.
          </li>
          
<li class="txt-idt">
            3. If your TV has two antenna inputs, connect the cable to the input
            labeled UHD TV Antenna.
          </li>
        </ol>
      </div>
      
<div class="HowToStep">
        
<h3 class="name">Step 2. Run Auto Tuning</h3>
        
<div class="text">
          <p>
            After connecting the antenna, use your remote to search for
            available channels.
          </p>          
<ul class="cause-list">
            
<li>
              TVs released in 2021 or later (webOS 6.0 or later): Press
              <img style="vertical-align: middle" alt="setting" aria-hidden="true" src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=P7u3YswgpZF1Ql2Us6u0Ag&amp;portalId=P1"/>
              Settings on your remote. Then, select All Settings, General,
              Channels, Channel Tuning, Auto Tuning, Start, and Done.
            </li>
            
<li>
              TVs released in 2020 or earlier (webOS 5.0 or earlier): Press
              <img style="vertical-align: middle" alt="setting" aria-hidden="true" src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=P7u3YswgpZF1Ql2Us6u0Ag&amp;portalId=P1"/>
              Settings on your remote. Then, select All Settings, Channels,
              Channel Tuning, Auto Tuning, Start, and Done.
            </li>
          </ul>
          <p>
            When Auto Tuning is complete, your TV automatically saves the
            channels it can receive.
          </p>        </div>
      </div>

<div class="tip-box">
        <strong class="tip-tit">Note</strong>
        
<ul class="cause-list">
          
<li>
            If your TV has only one antenna input, connect the cable directly to
            it.
          </li>
          
<li>
            If you use a set-top box, you do not need to run Auto Tuning. Change
            your TV input to the HDMI port connected to your set-top box.
          </li>
          
<li>
            Menu names may differ depending on the TV model and webOS version.
          </li>
        </ul>
      </div>
      
<h3 class="warn-tit">Warning</h3>
      
<ul class="bul-list">
        
<li>
          Secure the antenna if you install it outdoors or in an elevated
          location. To prevent electric shock, do not touch the antenna or cable
          during a thunderstorm.
        </li>
      </ul>

<h2 class="tit">FAQ</h2>
      
<div class="qna-list">
        <dl>
          <dt>
            
<span role="img" aria-label="Question">Q.</span> Why Can’t I Watch
            UHD Broadcasts After Running Auto Tuning?
          </dt>
          <dd>
            
<span role="img" aria-label="Answer">A.</span> Make sure UHD
            broadcasts are available in your area. If UHD broadcasts are
            available, move your antenna closer to a window or adjust its
            direction. Then run Auto Tuning again.
          </dd>
        </dl>
        <dl>
          <dt>
            
<span role="img" aria-label="Question">Q.</span> Can I Watch UHD
            Broadcasts With a Standard Antenna?
          </dt>
          <dd>
            
<span role="img" aria-label="Answer">A.</span> You must use a
            dedicated UHD antenna to watch UHD broadcasts, as standard analog or
            HD antennas cannot receive UHD signals properly.
          </dd>
        </dl>
      </div>
      <p class="help-txt">
        This guide is based on standard models. The settings menu may vary by
        model.
      </p>    </div>

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How to Connect a UHD Antenna and Run Auto Tuning on Your TV

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