Samsung SGH-t309 - Manual (Page 19)

Section 2: Understanding Your Phone 15
Keys
Section 2
Keys
The following list correlates to the illustrations.
1. The headset jack is used for the hands-free headset.
2. Performs the functions indicated by the screen text on
the bottom line of the display.
3. During a call, adjusts the earpiece volume.
In Idle mode with the phone open, adjusts the ring
volume. With the phone closed, turns on the external
display when held down.
4. Makes or answers a call.
In Idle mode, recalls the last number dialed or received
when held down.
5. In Idle mode, accesses voice mail when held down.
6. Enters special characters. Performs various functions.
7. The microphone used during phone calls and voice
memo recordings.
8. Enters numbers, letters, and some special characters.
9. Deletes characters from the display.
In Menu mode, returns you to the previous menu level.