This document is the user manual for CASIO watch 3135 MO0802-CkA, which includes the functions of the watch, usage precautions, and charging methods.
This manual provides detailed instructions for using the Casio 3135MO0802-CkA watch, covering its digital compass, barometer, thermometer, altimeter, tide/moon data, timer, stopwatch, world time and alarm functions. Safety warnings and battery‑charging guidelines are included to ensure reliable operation during hiking, climbing or other outdoor use.
The guide also describes calibration procedures for the direction sensor, how to set time and city codes, and how to manage power‑saving and illumination features. Troubleshooting tips for sensor errors and battery management are provided. This manual is written in Chinese.
| Charging time (bright sunlight) | ≈5 min |
|---|---|
| Charging time (indoor fluorescent) | ≈50 min |
| Pressure measurement range | 260 hPa – 1,100 hPa |
| Illumination type | EL (electroluminescent) panel |
| Battery type | Solar cell with rechargeable battery |
In timing mode, hold the L button for about 3 seconds to toggle automatic illumination on (A.EL appears) or off (A.EL disappears).
Approximately 5 minutes of bright outdoor sunlight or about 50 minutes under indoor fluorescent lighting will fully charge the battery.