This document describes the features and characteristics of the CASIO watch model 5130 (OC) MA1003-CkA, including the radio-controlled timekeeping function, charging method, and power level.
This manual provides step‑by‑step instructions for using the Casio 5130 (OC)MA1003‑CkA solar‑powered watch. It covers initial checks, charging methods, power‑level indicators, and how to prepare the watch for receiving time‑calibration radio signals.
The guide also details setting the local city and DST, manual time/date adjustments, world‑time mode operation, automatic and manual signal reception, pointer calibration, and a troubleshooting section for common issues such as low power, incorrect time, or pointer misalignment. This manual is written in Chinese.
| Accuracy (room temperature, no signal) | ±15 seconds per month |
|---|---|
| Timekeeping display | Hour, minute (hand moves every 10 seconds), second, date |
| Calendar system | Fully automatic from 2000 to 2099 |
| Power source | Solar cell with rechargeable battery |
| Battery runtime | Approximately 6 months when fully charged and not exposed to light |
Place the watch in bright light; the solar cell converts light to electricity and charges the internal battery.
Observe the second hand (x秒针): jumping every second means level 1, every two seconds means level 2, and stopped indicates level 3.