Chapter 3. Using the PM880 Screen30 Model PM880 Portable Hygrometer User’s Manual3.1 Screen ComponentsThe PM880 screen displays various information (see Figure 14). The topline of the screen is the status bar that displays the current site, time, dateand battery status during normal operation. However, the status bar changesto a menu bar during programming.Figure 14: PM880 Screen in Operate ModeThe middle of the screen is the work area that displays measurementsnumerically or as bar or line graphs. During programming, the work areadisplays menu prompts. The bottom of the screen displays error messages(see Error and Screen Messages on page 154 for more details), the systemtray, and the function keys.The system tray displays icons that indicate meter operations not otherwiseshown (see Table 1 on page 31 for a list of icons). The three function keys(F1, F2 and F3) have different functions, depending on the task you areperforming.Status/Menu BarWorkAreaError MessagesSystemTrayFunction Keys
