This manual introduces how to use CASIO watch 3172, which has the functions of measuring direction, barometric pressure, temperature and altitude.
This operation guide covers the Casio 3172 watch’s built‑in sensors, battery management, charging methods, and radio‑controlled atomic timekeeping. It provides step‑by‑step instructions for configuring Home City, daylight‑saving settings, and using the various sensor modes such as digital compass, barometer, thermometer and altimeter.
The manual also details power‑saving behavior, auto and manual receive of time‑calibration signals, and precautions for safe use, including handling the solar‑charged battery and avoiding overheating.
| Battery recovery time | about 15 minutes |
|---|---|
| Power‑saving display sleep duration | 80–70 minutes |
| Power‑saving function sleep duration | 6–7 days |
Place the watch where its face is exposed to bright light; the solar cell charges the built‑in battery and full recovery takes about 15 minutes.