Steps

1. Press the HOME button, then select [Settings].

2. Select [External Inputs] → [Video Labels]/[Label Video Inputs] → the input → [Auto] or [Always].
   

   Select [Auto] to display icons or names only when the device is connected, or [Always] to display regardless of connection status.

3. Select the device name.
   

   Select [Edit] to enter your preferred name. After entering the name, press the button (or slide right when using the Touchpad Remote Control), then select the icon.