1. Key Description: The "" plus key is in the selection list: moves the option down. In the input menu, proceed to select a menu item.
the "-" minus key: in the selection menu: move the option up. In the input menu: Back selects the menu item.
"E" OK key: Open submenu or parameter. The changed parameter value is determined.
When the "-" exit key combination is pressed at the same time (pressed at the same time), the modified parameters are abandoned. Exit the current menu and return to the previous menu.
