To control a set-top box with an LG TV remote, first ensure HDMI-CEC is enabled on both devices (LG TV: Settings > General > External Device Manager > HDMI-CEC/Simplink > On; set-top box: find its CEC option in its settings and enable it).
Connect the STB to the TV via HDMI, then select the STB as the active input. With HDMI-CEC on, you can use the LG remote to power the STB on/off , navigate menus, and control playback using the remote’s directional pad and OK button; in some cases you may need to choose the STB as the target device in the LG remote’s setup (or switch to the STB input first). Note that exact labels and features vary by model, and some functions may be limited if the STB or TV firmware doesn’t fully support CEC. If full control isn’t available, you can still use the LG remote for basic navigation and rely on the STB’s own remote for advanced features. Suggestions: 1) Update firmware on both devices, 2) Recheck HDMI cable quality and port, 3) Check if your LG remote has a dedicated “STB” or “TV/Set-Top” mode.
🔧 Setting up HDMI-CEC on LG TV and STB; 📺 Connecting the STB to your LG TV via HDMI; 🎛️ Using the LG remote to power, navigate, and control playback; 🧭 Selecting the STB as the active input or target device; 🛠️ Troubleshooting common CEC issues; 🔄 Firmware and cable checks for reliable control.
Follow these steps.
Universal control setting menu can be find out from TV menu depends on TV models
After opening the Device connector app/ setting, select the device that you want to connect (Set top box, Audio system etc shown in list)
Select the correct input in your selected device is connected (HDMI/AV etc.)
Please make sure your connecting device is placed within 1 meter away from LG TV
Select the correct device manufacturer name from next window (search option also available)
Use the text keys/function shown in next window to ensure TV remote is responding with your selected device. If TV remote is not responding then change remote control type and try until it works)
Select done once you finished the set up and exist from page, Now you can use your TV remote controller to control your connected device's functions.
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