LG 86BH5F Owner's Manual page 21

Selects the Picture Mode.
(HOME) Activates the Launcher.
Enters the White Balance menu.
(SETTINGS) Accesses the main menus or saves your input and exit
menus.
This function is not supported in this model.
(Navigation Buttons) Scrolls through menus or options.
Selects menus or options and confirms your input.
(BACK) Allows you to move back one step in the user interaction
function.
Quit all OSD tasks and applications.
Allows you to control various multimedia devices to enjoy
multimedia simply by using the remote control through the SimpLink menu.
Selects the TILE Mode.
When the Picture ID number matches the Set ID
number, you can control whichever monitor you want in multi-display format.
Trick key May not be supported on some models.
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