18.Keypad Sensor detects ambient light. If Keypad Sensor is enabled, your phone measures the available light and determines whether the keypad backlight needs to be turned on.
19.BACK Key deletes characters from the display screen in text entry mode. When in a menu, press cto return to the previous menu. This key also allows you to return to the previous screen during a data session.
20.END/Power Key ends a call. Press and hold efor two seconds to turn your phone on or off. While in the main menu, it returns the phone to standby mode and
cancels your input. When you receive an incoming call, press eto mute the ringer.
21.Menu/OK Key selects the highlighted choice when
navigating through a menu. From standby mode, pressing Otakes you to the main menu.
22.Navigation Keys scroll through the phone’s menu options and act as shortcut keys from standby mode. To assign shortcuts to the navigation keys, see “Shortcuts” on page 86.
Antenna
To optimize your phone’s performance, extend the antenna during phone calls, Nextel
To extend the antenna, pull gently on the rounded tip until the antenna is fully extended and clicks into position. When finished with a call, retract the antenna by pushing gently on the rounded tip until the antenna clicks into place.
