24 CHAPTER 2: 3C OM 3103 MANAGER ’S TELEPHONE■ Left buttons — control calls that display beside them. Up to threecalls display at one time and correspond to the three left buttons.Press a left button to answer an incoming call, rejoin a call on hold,and select it for other action. If no call corresponds to the button,press it to start a new call.■ Right buttons — bring up the action list for the corresponding call.From the action list, you can send a call to voice mail, add it to thephone book, park it, hold, transfer, conference, or release the call.If the display shows a list, the right buttons also activate thecorresponding option.■ Scroll buttons — up and down buttons move items up and down inthe display, if there are more than three calls or list items to bedisplayed. Arrows in the display show if there are more calls or itemsabove or below those displayed.The left and right buttons move you to the top or bottom of a list ormove the cursor left or right when you enter data.■ Select button — at the center of the scroll buttons activates thecurrently highlighted list item.The display panel shows:■ Calls with caller ID, when available■ Number of messages in your mail box■ Your extension number■ Date and time■ Status of persistent features with icons:■ Locked / Unlocked■ Fwd to mail■ Handset / Headset / Speaker■ Telephone lines in use with symbols in the column on the rightDisplay PanelContrastYou can adjust the display panel contrast as one of the UserConfiguration Features.