1. Unscrew and remove the back cover.
2. Unscrew the battery contact.
3. Replace with fresh Lithium battery CR2032 or equivalent.
4. Before putting in the fresh battery makes sure that the triangular contact is in the triangular slot under the battery.
5. Use a small metal tool (such as a tweezers or screw driver) to momentarily short circuit the AC pad next to the battery.
6. Re-screw the back cover.
Trouble shooting
If the stopwatch is out of service, such as wrong logic, frozen display etc., a reset may recover the stopwatch. To reset the stopwatch, please press all four
buttons simultaneously for about 2 seconds until the display become blank, the stopwatch will return to the default state when you release the
buttons.
Use a battery of quality.
THE WARRANTY DOES NOT COVER THE BATTERY.
