This document is a user manual for CASIO watches model 4335 and 4348, and it provides information about the watch's functions and precautions.
This manual provides step‑by‑step instructions for using the Casio 4335/4348 watch. It explains how to set the time, date, UTC offset, and location data, as well as how to operate the various modes such as tide/moon data, temperature, stopwatch, countdown timer, alarm, and world time.
Safety notices, calibration procedures, and illumination features are also covered. The reference section lists technical data, button functions, and troubleshooting tips to help users get the most out of their watch. This manual is written in Chinese.
| Temperature display range | -10.0 °C to 60.0 °C (or -14.0 °F to 140.0 °F) |
|---|---|
| Temperature resolution | 0.1 °C (0.2 °F) per step |
| Temperature record storage capacity | Up to 50 records |
| Stopwatch maximum time | 99 h 59 min 59.99 s |
| Countdown timer range | 1 min to 100 h |
| Automatic illumination auto‑off time | Approximately 6 hours |