This is the manual of 5181
This manual explains how to operate the Casio 5181 solar‑powered watch, including charging the built‑in battery, setting the time, date, city code, and using functions such as stopwatch, timer, world time and alarm. It also describes power‑level indicators, power‑recovery mode and energy‑saving features.
The guide provides step‑by‑step procedures for configuring residence city, switching between standard time and daylight‑saving time, adjusting the base position of the hands, and troubleshooting common issues such as low power, incorrect time, or unexpected hand movement. This manual is written in Chinese.
| Timing functions | hour, minute (hand moves every 10 s), second, 24‑hour, date, weekday |
|---|---|
| Stopwatch measurement limit | 23 h 59 min 59.95 s |
| Stopwatch resolution | 1/20 s |
| World time coverage | 29 cities / 29 time zones + UTC |
Press @ to start, press @@ to stop, and press @ again to reset the stopwatch.