This document introduces the usage and precautions of CASIO watch model 3357 1 MO0408-CkA, including charging, power saving function, setting the digital time and date, etc. The watch has features such as world time mode, alarm mode, stopwatch mode, and timer mode.
This manual provides step‑by‑step instructions for operating the Casio 3357 watch. It covers the basic time‑setting procedure, world‑time mode with up to 30 cities, daylight‑saving time (DST) adjustments, alarm and stopwatch functions, and how to use the LED illumination and automatic lighting features.
The watch is powered by a solar cell and a special rechargeable secondary battery. Proper charging in bright light, battery‑level monitoring, power‑saving mode, and battery‑replacement guidelines are detailed to ensure reliable long‑term operation. This manual is written in Chinese.
| Charging time in direct sunlight | 3 hours |
|---|---|
| Year setting range | 2000‑2099 |
| LED illumination duration | 1.5 s or 3 s |
| Daily display active time | 18 hours display, 6 hours sleep |
Place the watch in bright light; the solar cell will charge the internal rechargeable battery.
When the DST indicator appears on the display, daylight‑saving time is active.