This document is the user manual for CASIO watches, which introduces the functions of the built-in sensors that can measure barometric pressure, temperature, and altitude. It also explains how to set the time, date, local city, and daylight saving time. In addition, it provides instructions on how to use features such as stopwatch, countdown timer, and alarm.
This user manual provides step‑by‑step instructions for operating the Casio 3255 watch. It covers setting the local city and daylight‑saving time, selecting 12‑hour or 24‑hour formats, and configuring alarms, timers and lighting.
The guide also explains how to use the built‑in barometer, temperature sensor and altimeter, how to calibrate them, and includes troubleshooting tips and technical specifications for the watch’s functions. This manual is written in Chinese.
| Time display formats | 12‑hour and 24‑hour |
|---|---|
| Display range (altimeter) | -10 000 m to 10 000 m |
When the DST indicator appears, daylight‑saving time is enabled.
Select the desired format in the time‑setting menu; 12‑hour shows a P indicator for PM, while 24‑hour displays 0:00‑23:59.