Understanding the DisplayThe display helps you operate and program the unit by displaying a variety of messages and icons.Standby Mode PhonebookDA B C ESD IconIndicates that a compatible SD memory card has been inserted in the unit (see page 29).USB IconIndicates that a computer is connected to the USB port (see page 45).Line Icon (IP, TEL, PS, PC, USB-AUDIO)Indicates which line will be used when a call is made.Function Button IconsIndicates the functions currently available when the function buttons are pressed. The icons displayed varyon the current state of the unit (e.g., the icons displayed when on a call are different from the icons displayedwhen storing an entry in the phonebook).Scroll IndicatorIndicates that [ ] or [ ] can be pressed to display the previous or next item.Recording Icons: Indicates a recorded conversation.: Indicates a recorded voice memo.Function Buttons and Function Button IconsBy pressing a function button ([F1], [F2], and [F3]) you can select the function displayed directly above it.In this document, function buttons are referred to by theircorresponding icons.In the example shown here,"PressPLAY ","PressTEL ", or"Press "would indicate pressing [F1], [F2], and [F3], respectively.20 Operating Instructions Document Version 2010/02Before Use