This document describes the features and characteristics of the CASIO MO0807-ChA watch, including solar power battery, charging in light, power saving function, etc. The watch can receive time calibration radio wave signals and has functions such as world time, countdown timer, stopwatch, alarm, etc.
This manual explains how to operate the Casio 3155MO0807 solar‑powered watch. It covers battery charging, power‑saving mode, and the importance of exposing the watch to bright light for reliable operation.
The guide also details time‑calibration signal reception, city‑code setup, alarm configuration, stopwatch, countdown timer, and other functions such as lighting, memory management, and troubleshooting. This manual is written in Chinese.
| Solar charging time in direct sunlight | ≈5 minutes |
|---|---|
| Charging time under indoor fluorescent light | ≈8 hours |
| Maximum specific‑segment measurement time | 99 h 59 min 59.9 s |
| Stopwatch display limit | 23 h 59 min 59.99 s |
Place the watch face toward a bright light source; charging takes about 5 minutes in direct sunlight or up to 8 hours under indoor fluorescent lighting.