TCL 75T555 5-Series User Manual - Page 156
mode 4K models only, Control by mobile apps
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HDMI® mode (4K models only) On 4K (UHD) TVs, you can independently configure each HDMI input to match the capabilities of the connected device. From the Home screen menu, navigate to Settings > TV inputs, and then select an enabled HDMI input. Next, select HDMI mode and then select one of the following settings: • Auto - Let the TV determine the best setting. Use this option unless your HDMI® device does not correctly communicate its HDMI® version information. • HDMI 1.4 - Configure the input for compatibility with HDMI® version 1.4, which supports a maximum refresh rate of 30 Hz at full UHD resolution. Most HDMI® devices will work correctly with the TV in this mode. • HDMI 2.0 - Configure the input for compatibility with HDMI® version 2.0, which supports a maximum refresh rate of 60 Hz at full UHD resolution. You must use this mode to view HDR content from the device connected to this HDMI input. However, note that many older HDMI® devices do not work correctly when the TV's HDMI input is set to this mode. Control by mobile apps You can choose the level of control you want to allow your TV to accept from external devices, such as smart phones, tablets, and virtual assistants. Device connect settings enable other devices, including the Roku mobile app, to control your TV over the local area network in your home. To adjust the level of external control access: 1. From the Home screen menu, navigate to Settings > System > Advanced system settings > Control by mobile apps. 2. Select Network access. 144