Go-To Buttons – These are called go-to buttons because they prompt the System to go to, open, or display the designated screen. When this type of button is touched, the current screen closes, and the screen indicated by the name on the go-to button opens in its place. Some screens have multiple go-to buttons and others have only one. Most screens have a Selection Screen button that changes to the Selection Screen. See Section 7.3.1 Buttons – Are rectangles that look like Go-To buttons. They act like switches to set a condition or cause an action to commence or stop. Most buttons need to be pressed and released to perform the indicated function. Data Panels – These panels show a parameter value that is important to the Operator and the equipment. The numeric display may signal the Operator to prepare to take some action or may only be informational. Touching these fields may have no effect. When the field is touched, if the parameter can be changed, a keypad will pop-up to enter the value. Press the buttons and then OK to save the new value and close the keypad.If a minimum and maximum are defined for a numeric field, this will be displayed below the cursor. The value shown in the white panel is the current setting. If this value is outside of the range defined, when OK is pressed, the data panel where the number was entered will appear red. Re-enter a value within the correct range and press OK again.