PAN-PAN, PAN-PAN, PAN-PAN, means you have a serious situation aboard that requires urgent help but is not classified as an emergency until you declair.
PAN means moving the sound of a recorded track left or right in the soundfield.
Pan, Peter, some fairy in a kids story.
Pan, a metallic, usually round object with a handle either cast or attached to allow you to fry bacon in. Not used much in Afganistan for that purpose.