The Extech 365510 Digital Stopwatch with Split Time, Two Competitor monitoring, Alarm and Clock features. The accuracy of the clock is ±3 seconds per 24 hours. Careful use of this stopwatch will provide years of reliable service.
This document is the user guide for the Extech Model 365510 Digital Stopwatch, which features split time, two competitor monitoring, alarm, and clock functions. The manual provides instructions for operating the device in Normal Mode and Stopwatch Mode, including starting, stopping, and resetting the timer.
| Accuracy | ±3 seconds per 24 hours |
|---|---|
| Battery Type | LR-44 or A-76 alkaline button battery |
| Battery Life | typically one year |
Press the START/STOP button while holding down the SPLIT/RESET button.
Press the SPLIT/RESET button after the alarm sounds.
Press all three buttons simultaneously.