4-18 L60 LINE PHASE COMPARISON SYSTEM – INSTRUCTION MANUALFRONT PANEL INTERFACE CHAPTER 4: INTERFACES4Figure 4-22: Front panel use in the software (C60 shown)4.2.2.2 Graphical front panelThe graphical front panel has a seven-inch (17.8 cm) color liquid crystal display (LCD). The display provides convenientaccess to operational data generated by the relay, enables local control of power system devices, and allows display/editing of settings.Header content varies by page. The home page displays any active icons, such as security status, active setting group, andactive target messages. It shows the date and time of the relay. If the relay synchronizes to an external time source via PTP,IRIG-B, SNTP, and so on, the date/time is shown in white, and otherwise in yellow. On pages other than the home page, theheader displays the name of the page.The footer dynamically labels the Tab, or control, pushbuttons immediately below.Page content displays between the header and footer.