18StylusThe stylus takes the place of a computer mouse. You can perform all PVUnit operations with the stylus. In this manual, all data input operations aredescribed using stylus operations.You can perform the following basic operations with the stylus.• TapTap the tip of the stylus on the display to press a button, select an item,select a data input field, etc.• Double-tapTap the display twice in relatively quick succession.• DragTouch the tip of the stylus to the screen, and drag it across the screen toselect a range of text, draw a line, etc.Action ControlThe Action control makes it possible to perform certain PV Unit operationswith one hand. In this manual, many data recall operations are describedusing Action control operations.You can perform the following basic operations with the Action control.• RotateRotating the Action control up and down causes the selection or data on thescreen to scroll up and down.• PressPressing the Action control is much like a “click” on a computer mousebutton. Pressing the Action control executes the command that is highlightedon the display, executes the function assigned to the button whose name isenclosed by a dotted line (such as ), switches between a list and a datascreen, etc.