This is a CASIO watch instruction manual, which introduces the function and usage of the watch.
This manual provides step‑by‑step instructions for using the Casio 3150MO0805 solar‑powered watch. It covers power management, how to charge the watch under various lighting conditions, and details the automatic and manual time‑calibration signal reception.
It also describes the operation of the rally timer, world‑time display, alarms, stopwatch, countdown timer, lighting, and battery‑level indicators, along with troubleshooting tips for signal reception and power‑saving features. This manual is written in Chinese.
| Charging time in direct sunlight | ≈5 minutes |
|---|---|
| Charging time under indoor fluorescent light | ≈8 hours |
| Stopwatch display limit | 23 h 59 m 59.99 s |
| Battery type | Solar cell with rechargeable secondary battery |
| Battery level 5 effect | All functions stop |
Press D to open the signal‑receive screen, hold D for about two seconds until the screen flashes, then wait two to seven minutes without pressing any buttons.