Samsung RUGBY III User Manual page 114

Stopwatch
Use the Stopwatch to measure intervals of time. The event
time and up to fifty "lap times" can be measured.
1. In Idle mode, press Menu ➔ My Download ➔ Tools
➔ Stopwatch.
2. Press Start to start the stopwatch.
3. Press Lap to record each lap time.
4. Press Stop to stop the stopwatch.
5. Press Reset to erase all times recorded.
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