Registration device and registration method

A point-of-sale terminal, comprising:

• a product scanner for registering commodities in a sales transaction;
• a display unit for displaying various screens;
• a touch panel input unit integrated with the display unit;
• and
• a processor configured to:
• cause the display unit to display a detail screen for displaying registered commodity information for commodities registered in the sales transaction or a preset screen for displaying a plurality of commodity selection buttons for registering commodity information in the sales transaction;
• and
• detect an operation direction of a user input operation on the touch panel input unit, and then switch from a presently displayed screen to another display screen based on the detected operation direction and the presently displayed screen.

A registration method for controlling a registration device that registers commodity information for a sales transaction, the method comprising:

• causing a display unit integrated with a touch panel input unit to display a detail screen for displaying registered commodity information or a preset screen for displaying a plurality of commodity selection buttons for registering commodity information;
• and
• detecting an operation direction of a user input operation on the touch panel input unit, and then switching from a presently displayed screen to another display screen based on the detected operation direction and the presently displayed screen, wherein
• when the detected operation direction is a first direction and the detail screen is the presently displayed screen, the display unit is switched to the preset screen, and
• when the detected operation direction is a second direction different from the first direction and the presently displayed screen is the preset screen, the display unit is switched to the detail screen.