Use the following procedure to change the settings for Resolution.
Press the [Menu] key.
The menu screen appears.
Press [] or [] to display [PS Menu], and then press the [#Enter] key.
Press [] or [] to display [Resolution], and then press the [#Enter] key.
Press [] or [] to select the resolution, and then press the [#Enter] key.
The selected resolution is displayed for two seconds with an asterisk, and then the [PS Menu] screen appears.
Press the [Menu] key to return to the initial screen.