The embodiments of the disclosure provide a method for adjusting a display unit. The output signal of the multiplexer permits use of a saturating high power amplifier resulting in a net increase in effective transmitter power usage. The jack further includes a circuit board that electrically connects the contact springs to the wire termination contacts. Adhesion between the heat-sensitive layer and the hydrophilic layer decreases in a heated region through image processing. The user then selects the symbol corresponding to the section of the web page that he or she desires to view.