Samsung SCH-R640 User Manual page 41

To enable Speakerphone Mode:
•
Follow the prompt and unlock the screen.
1.
Tap and slide the screen speaker button to the On position.
2.
Caution!: Keep the phone away from you ear while in Speakerphone Mode. (For more
information, refer to "Responsible Listening" on page 205.)
Note: Your phone automatically enters Speakerphone Mode when you dial a call
using the QWERTY keypad.
To disable Speakerphone Mode:
•
Follow the prompt and unlock the screen.
1.
Tap and slide the screen speaker button to the Off position.
2.
– or –
Press to end the call.
Understanding Your Phone 36