4.2 FACEPLATE INTERFACE
Put the BACKGROUND TEMPLATE on top of the custom display module (P/N: 1513-0069) and snap the clear cutome
module cover (P/N: 1502-0015) over it and the templates.
All messages are displayed on a 2 × 20 character vacuum fluorescent display to make them visible under poor lighting con-
ditions. Messages are displayed in English and do not require the aid of an instruction manual for deciphering. While the
keypad and display are not actively being used, the display will default to defined messages. Any high priority event driven
message will automatically override the default message and appear on the display.
Display messages are organized into 'pages' under the following headings: Actual Values, Settings, Commands, and Tar-
key navigates through these pages. Each heading page is broken down further into logical subgroups.
numerical setting values when in programming mode. These keys also scroll through alphanumeric values in the text edit
mode. Alternatively, values may also be entered with the numeric keypad.
key initiates and advance to the next character in text edit mode or enters a decimal point. The
pressed at any time for context sensitive help messages. The
Figure 4–7: LED PANEL CUSTOMIZATION TEMPLATES (EXAMPLE)
keys navigate through the subgroups. The
Figure 4–8: KEYPAD
L90 Line Differential Relay
key stores altered setting values.
4 HUMAN INTERFACES
keys scroll increment or decrement
key may be
GE Power Management