LG - 86TR3DK-B User Manual page 17

Turns on or off the whole screen.
(Built-in computer) Has the same function as the Backspace key.
Moves between menus or options.
Selects a menu or option and confirms the input selection.
Launches the Note app.
Moves back one step in the user operation feature.
Selects the channel.
Moves to the top of the screen.
Moves to the bottom of the screen.
Adjusts volume.
Function Keys (Built-in computer) Has the same function as the Function
keys.
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