The manual explains the operation of the Casio 4731 watch, covering button functions, timer and date settings, pointer adjustment, daylight‑saving time, and the various display modes.
It also details world‑time configuration, alarm and countdown timer features, lighting options including automatic LED illumination, and includes a city‑code table for world‑time setup. This manual is written in Chinese.
| Display mode | White background black text or black background white text |
|---|---|
| Year setting range | 2000 – 2039 |
| Lighting source | LED (發光二極管) |
Press the @ button to open the countdown timer screen, select a duration between 1 and 60 minutes, and optionally enable the auto‑repeat function.