DISPLAY CONTROL DEVICE, DISPLAY CONTROL METHOD AND DISPLAY CONTROL PROGRAM

摘要

When a right picture plus button or a left picture plus button is pressed in a one-picture mode, a picture mode shifts to a two-picture mode. Focus is set in a right picture as the right picture plus button is pressed and the right picture is increased in size as the right picture plus button is pressed. The focus is set in a left picture as the left picture plus button is pressed and the left picture is increased in size as the left picture plus button is pressed. When the right picture plus button or the left picture plus button is pressed in a state where the size of the right picture or the left picture is its maximum, the picture mode shifts to the one-picture mode. When a sound volume plus button is pressed in a state where the focus exists in the right picture, sound corresponding to the right picture is output from a speaker. When the sound volume plus button is pressed in a state where the focus exists in the left picture, sound corresponding to the left picture is output from the speaker.