This document provides instructions and precautions for using CASIO watches, including charging methods, lighting requirements, and function descriptions.
This manual covers the operation of the Casio 3217 watch, including how to set the time, select a residence city, and receive automatic or manual time‑calibration signals from worldwide radio stations. It also explains the tide and moon data functions, world‑time display, and daylight‑saving‑time adjustments.
Additional sections describe the alarm and timer features, the EL‑backlight lighting system, battery charging using solar cells, power‑saving modes, and detailed specifications of the watch’s accuracy, calendar range, and supported signal frequencies. This manual is written in Chinese.
| Monthly accuracy | ±15 seconds |
|---|---|
| Time display format | 12‑hour or 24‑hour |
| Calendar range | 2000–2099 |
| Battery type | Solar cell with rechargeable battery |
| Power reserve | Up to 9 months |
The watch can automatically receive up to six signals per day (five in China).