This is a user manual for a CASIO watch, which introduces the basic functions and operations of the watch.
This manual provides step‑by‑step instructions for using the Casio 3343 watch, covering basic operation modes such as time‑keeping, world‑time, alarm, and stopwatch. It also details how to set the date, time, daylight‑saving (DST) adjustments, and how to customize illumination settings.
The guide explains the solar‑charging system, battery‑level indicators, power‑saving mode, and safety precautions for automatic LED illumination. Reference tables list city codes for world‑time and exposure times required for charging under various lighting conditions. This manual is written in Chinese.
| Power source | Solar cell with rechargeable secondary battery |
|---|---|
| Battery life (continuous operation) | Approximately 16 months |
| Charging time in direct sunlight (50,000 lux) | 5 minutes |
| LED illumination duration | 1.5 seconds or 3 seconds |
| Automatic illumination activation angle | ≈40° from parallel position |