1. Press the Power/End call key to power the device on/off and to end/ignore calls.
   
2. Press the Answer/Call key to answer a phone call, or to access the phone to make a call.
   
3. Press the Nav keys to navigate on-screen options and access shortcuts.
   
4. Press the Center Nav key to confirm your on-screen selection.
   
5. Press the Left and Right Soft keys to use the corresponding on-screen options.
   
6. Press the Multi-tasking key to multitask.
   
7. Press the GPS key to access GPS services.
   
8. Press the Clear key to delete text from a field or to return to the previous menu or screen.