CHAPTER 3: INTERFACES FRONT CONTROL PANEL INTERFACE
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 3–3
Figure 3-2: Front Control Panel
The USB port is intended for connection to a portable computer.
850 Graphical Display Pages
The front panel liquid crystal display (LCD) allows visibility under varied lighting conditions.
When the keypad and display are not being used, system information is displayed after a
user-defined period of inactivity. Pressing the Menu key during the display of the default
message, returns the display to the last message shown before the default message
appeared. Any Trip, Alarm, or Pickup is displayed immediately, automatically overriding
the default message.
ESCAPE
ENTER HELP
IN SERVICE
TRIP
ALARM
PICK UP
AR ENABLED
AR IN PROGRESS
AR LOCKOUT
CLOSE
RESET
OPEN F1
BKR OPEN
BKR CLOSED
LOCAL MODE
SYNCHECK OK
TARGETS STATUS METERING SETPOINTS RECORDS
Navigation
Pushbuttons
Menu tabs associated
with pushbuttons for
screens navigation
Pushbuttons for
setpoints, and Up/ Down
value selections
“HELP”:help with
setting selection
“ESCAPE”:return to
previous menu
“Home”:return to
default screen
“ENTER”:enter selected
setting
“RESET”:reset targets,LEDs,
output relays
LEDs #1 and LED#4 (non-
programmable)
LED#2,LED#3,
and LEDs 5 to 14
(programmable)
Function PBs with LEDs
(programmable)
USB port
Display
LED labels
TEST MODE
MESSAGE