About the Nortel IP Phone 1140E27— Change the slide adjustment fromleft to right when you adjust suchthings as contrast or volume.Press the left side of the Navigation KeyCluster to erase a character (backspace)when you enter and edit text.Press the right side of the Navigation KeyCluster to create a space when you enterand edit textNavigation Key Cluster Press the up/down part of the NavigationKey Cluster to:— Move the highlight up and downfrom one item to another item in alist such as Address Book entries oritems in your Call Inbox.— Scroll lists and message contentswhen you view IMs.— Move the cursor from line to linewhen entering and editing text ordata.Note: When you want to scroll through alist of many items, you can hold the up ordown key of the Navigation KeyCluster to automatically move up ordown the list of items.Use the Enter key, at the center of theNavigation Key Cluster, to select menuitems or a highlighted item on a list.Note: The Enter key duplicates thefunction of the Context-sensitive softkeys Select, and Set.