Lid-mounted monitor

A lid-mounted monitor comprising:

• a touch panel mounted on a screen of a display, for inputting information when touched;
• a lid mountably and dismountably disposed on a surface of said touch panel, said lid including a small window formed therein, by way of which the screen of said display can be partially seen while said lid is mounted on the surface of said touch panel, and an operation unit by way of which said touch panel can be touched;
• a detecting unit for determining whether said lid is mounted or dismounted to or from the surface of said touch panel;
• and
• a control unit for, when said detecting unit determines that said lid is dismounted from the surface of said touch panel, displaying information on the entire screen of said display and accepting information corresponding to positions where said touch panel can be touched, and for, when said detecting unit determines that said lid is mounted to the surface of said touch panel, displaying information on a part of the screen of said display corresponding to said small window and accepting information corresponding to positions where said touch panel can be touched.