Using the Touch Panel Display 2-172Basic OperationsKeys with a right triangle ( ) indicate that those keys have additional screens to set their functions. If youpress a key that does not have a right triangle ( ), it turns that mode on or off.Keys with a black square ( ) in the lower right corner, that appear on screens for storing settings,already have settings stored in them.■ Keys That Display a Drop-Down ListPressing a key that has a right triangle ( ) to the right of the name of the selection, displays a drop-downlist containing other setting options.■ Numeric KeysAnytime the numeric keys icon is displayed on the screen, you can use the numeric keys on the controlpanel to enter values.Keys That Display Additional Settings Keys That Turn Modes On/OffSettings Are Stored No Settings Are StoredBefore Selection Drop-Down List After SelectionYou can enter values using the numeric keys on thetouch panel display or on the control panel.You can only enter values using the numeric keys onthe control panel.