This document introduces the usage and features of CASIO watches, including solar charging, built-in sensor functions, power saving function, etc.
The Casio 2872 is a handheld outdoor instrument that measures direction, atmospheric pressure, temperature, and altitude. It displays 16 compass directions, pressure in hPa or inHg, temperature in °C/°F, and altitude up to 10 000 m.
The manual explains how to charge the device with light, use power‑saving mode, operate timers, alarms, illumination, and perform sensor calibrations. It also details battery‑level indicators, memory storage for up to 41 records, and safety precautions for accurate measurements. This manual is written in Chinese.
| Battery charging method | Charge by exposing to light |
|---|---|
| Altitude measurement range | 0‑999 m and 1000‑10000 m |
Place the device in light; it charges automatically when exposed to light.
It measures altitude from 0 to 999 m and from 1000 to 10 000 m.