Getting to know your Phone
Mute/Play and Pause key 
Headset jack
USB port
Menu key
Open the menu in an application
Send key
Open the phone
Call a highlighted phone number
Push to Talk key
Open the Push to Talk application
Trackball
Roll to move around a screen.
Click (press) to select an item
ALT key Type the alternate character on a key
Left Shift key Capitalize letters Press the ALT key and
this key to turn on NUM lock
Volume keys Adjust the volume during a call
Escape key
Move back a screen
Close a menu
End/Power key
End a call
Turn off the device
Right Convenience key
Open the camera
Take a picture
Backspace/Delete key
Speakerphone key
Turn on/off the speakerphone during a call
Enter key
Right Shift key Capitalize letters
Press the Alt key and this key to turn on CAP lock
Symbol key
Open the symbol list