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CHAPTER 3: INTERFACES
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
The tab pushbuttons are used to enter the menu corresponding to the label on the tabs. If
more than 5 tabs exist, the first and the last tab are labelled with arrows to allow you to
scroll to the other tabs.
Figure 3-5: Keypad Pushbuttons
Each Keypad pushbutton serves the following function:
The Home pushbutton is used to display the home screen, and all screens defined under
the Front Panel/Screens menu as default screens.
The Enter pushbutton has a dual function. It is used to display a sub-menu when an item is
highlighted. It is also used to save the desired value for any selected setpoint.
The Up, and Down pushbuttons are used to select/highlight an item from a menu, as well
as select a value from the list of values for a chosen item.
The Escape pushbutton is used to display the previous menu. This pushbutton can also be
used to cancel a setpoint change.
FRONT CONTROL PANEL INTERFACE
3–5
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