This document provides the user manual for the CASIO watch product MA0905-ChB. The watch features a pedometer function, alarm and hourly time signal, and illumination.
This manual provides step‑by‑step instructions for operating the Casio 3166 watch, including time and date setting, stopwatch, timer, world‑time cities and daylight‑saving adjustments. It also describes the watch’s illumination feature and safety notices.
Additional sections cover battery replacement, measurement limits, data logging functions and troubleshooting tips for accurate timekeeping and sensor operation. This manual is written in Chinese.
| Battery type | CR2025 |
|---|---|
| Accuracy | ±15 seconds per month |
| Measurement range (seconds) | 0 – 17100 s |
| Distance range | 0 – 999 km / 0 – 621.1 mi |
| Energy‑consumption range | 0 – 23.9 kJ |
After replacing the battery, execute the setup steps to set the current time as described in the manual.
Press the designated key three times to reset the stopwatch function.