4-20 B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUALFRONT PANEL INTERFACE CHAPTER 4: INTERFACES4The following figure shows the vertical arrangement of the faceplate panel for relays ordered with the vertical option.Figure 4-22: Standard vertical faceplate4.2.7 LED indicators4.2.7.1 Enhanced faceplateThe enhanced front panel display provides five columns of LED indicators. The first column contains 14 status and event-cause LEDs. The next four columns contain the 48 user-programmable LEDs.The RESET key is used to reset any latched LED indicator or target message, once the condition has been cleared (theselatched conditions can also be reset via the SETTINGS INPUT/OUTPUTS RESETTING menu).The USER keys are used by the breaker control feature.
