Electronic device and non-transitory computer readable recording medium storing program for controlling electronic device

An electronic device configured to be connected to a display device, the electronic device being configured to output image data to the display device, the electronic device comprising:

• circuitry configured to
• retrieve a displayable resolution, the displayable resolution being displayable by the display device;
• sequentially read one or more data lines included in a resolution management table, wherein each of the data lines includes a second resolution as an element;
• obtain the second resolution from the read data line;
• determine whether the obtained displayable resolution includes the obtained second resolution;
• change, when the circuitry determines that the displayable resolution includes the second resolution, a resolution of the display device to be the obtained second resolution;
• retrieve a recommended resolution of the display device when the circuitry determines that the displayable resolution does not include the second resolution obtained from each of the read data lines;
• determine whether the retrieved recommended resolution is greater than or equal to a priority resolution of the electronic device, the priority resolution being a reference aspect ratio of the electronic device;
• select a first resolution;
• and
• change the resolution of the display device to be the selected first resolution,
• wherein, when the circuitry determines that the recommended resolution is greater than or equal to the priority resolution, circuitry selects the priority resolution as the first resolution, and
• wherein, when the circuitry determines that the recommended resolution is less than the priority resolution, the circuitry selects a predetermined resolution as the first resolution.

A non-transitory computer readable recording medium storing a program for controlling an electronic device, the electronic device being configured to be connected to a display device and configured to output image data to the display device, the program causing a computer included in the electronic device to perform a method comprising:

• retrieving a recommended resolution of the display device from the display device;
• determining whether the retrieved recommended resolution is greater than or equal to a priority resolution of the electronic device, the priority resolution being a reference aspect ratio of the electronic device;
• selecting a first resolution;
• changing a resolution of the display device to be the selected first resolution;
• when the electronic device determines that the retrieved recommended resolution is greater than or equal to the priority resolution, selecting the priority resolution as the first resolution;
• and
• when the electronic device determines that the retrieved recommended resolution is less than the priority resolution, selecting a predetermined resolution as the first resolution.