A screen generating part 114 generates an output setting screen on which a user selects settings of multiple items regarding specifications for video data to be output to a display device 4. A setting registering part 110 registers the settings selected by the user on the output setting screen. A screen generating part 114 generates the output setting screen on which the user selects the settings for a first item and a second item, the first item having a first value and a second value as selectable settings, the second item having a third value and a fourth value as selectable settings. When the user selects the first value for the first item, the setting registering part 110 registers the first value for the first item and also registers the third value for the second item. When the user selects the fourth value for the second item, the setting registering part 110 registers the fourth value for the second item and also registers the second value for the first item.