18.END/POWERKey lets you turn the phone on or off, end a call, or return to standby mode. While in the main menu, it returns the phone to standby mode and cancels your input. When you receive an incoming call, press to enter silent mode and mute the ringer.
19.Keypad lets you enter numbers, letters, and characters, and navigate within menus. Press and hold keys
20.SYMKey allows you to enter symbols when entering text using the QWERTY keyboard.
21.FunctionKey allows you enter the alternate character (such as @ for the S key) on the QWERTY keyboard. (See “Entering Text With the QWERTY Keyboard”on page 41 for details.)
22.SHIFTKey lets you change letter capitalization when entering text using the QWERTY keyboard.
23.SPACEKey lets you enter a space.
24.Softkeys let you select softkey actions or menu items corresponding to the bottom left and right lines on the display screen.
25.BACKKey deletes characters from the display in text entry mode. When in a menu, press this key to return to the previous menu.
26.ENTERKey selects the highlighted choice when navigating through a menu.