You can use you mouse, trackball, touch-screen, and your keyboard to change displays, acknowledge alarms, enter data etc.
A Toolbar is provided for each display that provide a row of pushbuttons at the top of each graphic display that are used for alarm acknowledgement and to call other displays.
Engineers can also build "pushbuttons" on Graphic Displays to call other displays and menus.
The Function Keys (F1 through F12), Ctrl, Alt, and TAB keys allow display and control actions for Field Mounted panels that have "membrane" style keypads. This also provides redundancy in the event the mouse. The function keys mimic the Toolbar.