Buttons and Controls 29Buttons andControlsFigure 4 shows the buttons and controls on the VCX Model 3101SP BasicTelephone. The VCX Model 3101 Basic Telephone does not include amicrophone, 8, or a speaker button and its indicator light, 10. All othercontrols are identical on the two telephones.Figure 4 VCX Model 3101SP Basic Telephone1 Soft buttons — Use the soft buttons to navigate through Display Paneloptions. A button’s function depends on the option selected. The buttonsare, left to right:■ Slct (Select) — Use this button to select a displayed item. For example,you can use this button to automatically dial a previously placed orreceived call or a missed call.■ Back — Use this button to move the cursor backwards one space anddelete the current space). You can also use this button to sortdisplayed items.■ Exit — Use this button to exit the currently displayed option.