1. KEYS AND DISPLAYINDICATORSList of KeysPress and hold to switch the phone on and off.Used to switch between alpha and numericmodes.Used to enter the menu facility. Pressand then scroll through the menu functionsby using the arrow keys ( ), or pressand the menu shortcut number.(See Shortcut Method on page 25.)Used to adjust the earpiece volume during acall. Press to increase and to decreasethe volume.Use to scroll through the memorylocations. Press to scroll forward andto scroll backward.Press and then scroll through themenu functions by using . Pressto scroll forward and to scroll backward.(Hold the key down for continuous scrolling.)Press once to delete characters one at atime, or press and hold to clear the wholedisplay. This key is also used to exit themenu functions.Used to recall information from the phonedirectory. This key is also used to displayhidden digits that run-off the display.Used to store information in the phonedirectory. Used to confirm a setting in themenu facility.NHA-4NG Nokia 638_AUAuthentication versionUS English 9351137Issue 3Version: 0.7, Date: 11 (2) Dec.1996Status: ToL, JaK, JaG, SIR, JoF5