Samsung SCH-A645BKAATL - Manual (Page 24)

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Section 2
Send Key
The Send key is used to answer calls, dial calls, and
to recall the last number(s) dialed, received, or missed.
1. Press once to answer calls.
2. Enter a number and briefly press to make a call.
3. Briefly press in standby mode to display a list of
recent calls to and from your phone.
4. Press twice in standby mode to call the most recent
number.
5. Press to pick up a waiting call. Press again to
switch back to the other call.
Navigation Key
Use the directional keys on the navigation key to
browse menus, sub menus, and lists. Each key also acts
as a shortcut to launch applications.
Speakerphone Key
Use the speakerphone key ( ) — located on the right
side of your phone — to switch from using the earpiece
to the speakerphone before or during a call. Use the
volume keys — located on the left side of your phone
— to adjust the volume. Press the speakerphone key to
enable and disable the speakerphone option.
OK