This document is a user manual for CASIO watches, including pre-knowledge, functions and operation instructions of the watch, and precautions for battery and light usage.
The Casio 5031 1MO0905-A watch manual provides detailed instructions for using the solar‑powered timepiece, including button functions, mode selection, and how to set time, date, and world‑time zones. It also explains the watch’s power‑saving features and how to manage the rechargeable battery.
Additional sections cover automatic and manual reception of radio‑time signals from multiple global transmitters, troubleshooting signal‑reception problems, and procedures for calibrating the hands and performing battery maintenance. Technical specifications such as accuracy, calendar range, and power‑source details are listed at the end of the document. This manual is written in Chinese.
| Accuracy (normal temperature) | ±15 seconds per month |
|---|---|
| Battery type | Solar cell + rechargeable secondary battery |