| CPC A63F 13/32 (2014.09) [A63F 13/497 (2014.09); H04N 21/4221 (2013.01); H04N 21/42225 (2013.01); H04N 21/4312 (2013.01); H04N 21/4781 (2013.01)] | 23 Claims |

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1. A display device comprising:
a display;
a communication interface, comprising circuitry, configured to communicate with a control device comprising a plurality of keys including a first key; and
at least one processor, comprising processing circuitry, individually and/or collectively
configured to execute at least one instruction to cause the display device to:
control the display to display a content in a full screen,
while displaying the content in the full screen, receive a control signal corresponding to the first key, the control signal being for requesting a configuration menu,
identify whether the display device is playing a game content,
based on the display device not playing the game content:
display a first user interface comprising a plurality of menus required for setting an operation of the display device, in a partial area on the full screen. while maintaining displaying the content in the full screen, wherein the plurality of menus of the first user interface are for a configuration for overall functions provided by the display device, and
control the first user interface using control signals received from the control device after displaying the first user interface, and
based on the display device playing the game content:
display a second user interface comprising a plurality of menus for setting a configuration required to play the game content in the partial area on the full screen-, while maintaining displaying the content in the full screen, and
control the second user interface using control signals received from the control device after displaying the second user interface.
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