This document is a watch user manual, which introduces the functions and operation methods of the watch.
This guide covers all operating modes of the Casio 4731 1MA0606-CkA watch. It describes the timing mode, world‑time mode, countdown timer, stopwatch, alarm functions, hand‑setting procedure and the LED illumination system, both manual and automatic.
Each section provides step‑by‑step instructions with button‑press sequences (A, B, C, D) and explains the related settings such as city codes, daylight‑saving time, 12/24‑hour format, illumination duration and alarm configuration. This manual is written in Chinese.
| Number of alarms | 5 |
|---|---|
| Illumination type | LED |
| Year‑setting range | 2000 – 2039 |
| Stopwatch display limit | 59 min 59.99 s |
| Countdown timer range | 1 – 60 min |
In any mode, hold the B button for about 2 seconds to toggle automatic illumination on or off; the indicator will appear or disappear accordingly.