A method to measure an applied magnetic field in a plane is provided. Another step includes automatically selecting a borderless printing mode for printing the image on the sheet when the image cannot fit within the maximum printable area, wherein the borderless printing mode leaves no unprintable margin from the at-least-one edge of the sheet. The attachment bore generally has a first diameter and includes an attachment groove thereabout with a second diameter greater than the first diameter to define at least one attachment shoulder. If a condition specified in one of the rules exists in a given text string, one or more attributes are associated to that text string as metadata. The resulting adjustable resistance assembly may be used on dumbbells andor weight stacks. The apparatus and method allows the user to provide the best experience of digital contents by adapting audio contents to the user’s sound field preference.