3–8 850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
FRONT CONTROL PANEL INTERFACE CHAPTER 3: INTERFACES
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 Up, Down, Left, and Right pushbuttons on the membrane faceplate are used to move
the yellow highlight. These pushbuttons are also used on special screens to navigate to
multiple objects.
The Escape pushbutton is used to display the previous menu. This pushbutton can also be
used to cancel a setpoint change.
The Reset pushbutton clears all latched LED indications, target messages, and latched
output relays, providing the conditions causing these events are not present.
To change (or view) an item on (or from) the 850 menus:
1. Use the pushbuttons that correspond to the tabs (Targets, Status, Metering, Setpoints,
Records) on the screen to select a menu.
2. Use the Up and Down pushbuttons to highlight an item.
3. Press Enter to view a list of values for the chosen item. (Some items are view-only.)
4. Use the Up and Down pushbuttons to highlight a value.
5. Press Enter to assign the highlighted value to the item.
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