CHAPTER 4: INTERFACES FRONT PANEL INTERFACEL90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL 4-174Figure 4-20: Graphical front panel4.2.2 Front panel display4.2.2.1 Enhanced and standard front panelsMessages display on a backlit liquid crystal display (LCD) to make them visible under poor lighting conditions. When thekeypad and display are not actively being used, the display defaults to user-defined messages. Any high-priority event-driven message overrides the default messages and displays.Settings file conversion from previous firmware versions is supported.Up to 20 characters can be used to configure some setting names in the software, while up to 12 characters display on thefront panel. A tilde ~ symbol is used for the twelfth character on the front panel when a name extends beyond the 12character limit. An example is shown for a Virtual Input.Figure 4-21: Tilde symbols displays with names 12 or more characters longThe front panel can be viewed and used in the EnerVista software, for example to view an error message displayed on thefront panel or the LEDs.To view the front panel in EnerVista software:1. Click Actual Values > Front Panel, then any option.