This manual describes the functions and operation of the watch, including the timekeeping function, stopwatch function, world time function, countdown timer function, and alarm function.
The Casio 3178 is a digital watch that provides multiple timing functions, including standard time, world time for 48 cities, daylight‑saving time (DST) adjustments, a countdown timer, and several alarm modes. The manual explains how to set the time, configure DST, use the countdown timer, and operate the built‑in illumination.
Key features include automatic illumination, repeatable countdowns, multiple alarm tones, and a battery life of about three years with a CR2025 cell. Detailed instructions are given for each function, along with a specifications table and a city‑code table for world‑time settings. This manual is written in Chinese.
| Accuracy | ±15 seconds per month |
|---|---|
| Year range | 2000‑2099 |
| Battery type | CR2025 (≈3 years) |
| Timer range | 1 minute to 24 hours |
| DST offset range | -12.0 to +14.0 hours |
| Alarm tones | 5 tones (4 single‑beep, 1 interval‑beep) |
The watch uses a CR2025 button cell, which provides about three years of operation under normal conditions.