CHAPTER 4: INTERFACES FRONT PANEL INTERFACEL60 LINE PHASE COMPARISON SYSTEM – INSTRUCTION MANUAL 4-294Figure 4-36: Single-line diagram static symbol orientation (sheet 2 of 2)User-programmable pushbuttonsUser-programmable pushbuttons 1 to 8 are physical pushbuttons on the right side of the graphical front panel, numberingdown the two columns.User-programmable pushbuttons 9 to 16 can be programmed among the 10 pushbuttons on the left and right sides of thescreen display. They show dynamically and provide a means to perform the same control as the other pushbuttons.
