This Part of IEC 62087 specifies the determination of the power consumption of computer monitors including, but is not limited to, those with CRT, LCD, PDP or OLED technologies. Computer monitors that include touch screen functionality are included in the scope of this document. This standard is limited to computer monitors that bepowered from a main power source other than a battery. Computer monitors that are powered from a battery source are not covered by this standard. However mains-powered computer monitors may include any number of auxiliary batteries. Computer monitors could be connected with video signal cables like DVD and HDMI cables without network and wireless connection are considered in this standard. A computer monitor is a display device that does not include a TV tuner and is intended to be used to display the video signals from a computer. These video signals are produced from 89 software programs that are operating within the computer and can consist of static and moving images. As such test procedures using static patterns, dynamic video and Web based video are specified. The test methods specified in this standard can be applied to computer monitors of any size, however, this standard is not applicable to specialized monitors associated with medical equipment, publishing and other professional, commercial or industrial uses. The various modes of operation which are relevant for measuring power consumption are also defined. The measuring conditions in this standard represent the normal use of the equipment and may differ from specific conditions, for example as specified in safety standards.