Disclosed is a layout tool that verifies the operability of a printed circuit board design. The arrangement should increase the safety of passengers who stand in the aisles during the flight and simultaneously improve the display of seat information for the passengers. A P-type channel region is formed in a surface of the substrate on the side of the gate electrode. 71 in a direct injection compression ignition engine with a compression ratio of about 15:1 to 17:1.