138. Navigation Key — Lets you scroll through the phone menuoptions.9. Microphone — Lets the other caller hear you clearly whenyou are speaking to them.10. Special Function Keys — Enters special characters andperforms various functions. For example, pressing andholding the asterisk key toggles the lock function onthe phone.In text mode, pressing the pound key inserts aspace.In Standby mode, pressing and holding the pound keyoperates the Jump Tab feature.11. Voice Recognition Key — Launches VoiceSignal optionsby pressing and holding the key.12. Alphanumeric Keys — Use these keys to enter numbers,letters, and characters.13. BACK Key — Deletes characters from the display when youare in text entry mode. Press this key to return to theprevious menu or screen when navigating features on yourphone.14. END Key — Ends a call. If you press and hold the END key,the power goes On or Off. When you receive an incomingcall, press to send the call to voicemail.15. Music Key — Launches Music options.16. MENU/OK Key — In idle mode, launches the Main Menu.When navigating through a menu, accepts the highlightedchoice in the menu.17. Right Soft Key — Used to navigate through menus andapplications and to select the choice available in the RightSoft key option.Command KeysFunctions for the soft keys are defined by what appears aboveeach in the display. There are two soft keys, the left soft key ( )and the right soft key ( ).Left Soft KeySome functions of the left soft key are as follows.• In standby mode, press the Celltop (left) soft key ( ) to launch theCelltop application. (For more information, see the Celltop user guide.)• When the left soft key function is Edit, press the Edit (left) soft key( ) to edit a Contact.