GE 845 Instruction Manual page 64

FRONT CONTROL PANEL INTERFACE
Front Control Panel Interface
845 Graphical Display Pages
3–2
The relay provides an easy to use faceplate for menu navigation using 5 navigation
pushbuttons and a high quality graphical display. Conveniently located on the panel is a
group of 7 pushbuttons for Up/Down value selection, Enter, Home, Escape, Help, and Reset
functions. The faceplate also includes 3 programmable function pushbuttons with LEDs.
Fourteen other status LEDs are available, 12 of which are programmable.
Figure 3-1: 845 Front Control Panel
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.
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 3: INTERFACES