Samsung SGH-T819CNATMB - Manual (Page 135)

Organizer 132
Timer
Timer
You can use this menu to set a timer. To enable the Timer, use the following options:
1. Highlight the Timer option then press the Select soft key or the
key.
2. Press the Set soft key to enter the length of time.
3. Enter the time and press the OK soft key.
4. Press the key to start the timer. Press the key again to stop
the timer.
Stopwatch
This feature allows you to use a stopwatch. Press the key to start the
stopwatch. Press the Reset soft key to erase all stopwatch times recorded.You can
maintain up to 50 separate lap times.