This manual introduces how to use CASIO watch 3022, including how to set time, date, alarm, countdown timer etc., and how to use the sensors on the watch to measure air pressure, temperature and altitude.
This manual introduces the use of the CASIO watch 3147, including how to keep the watch in contact with bright light, the functions of the watch, how to specify the city of residence, and how to use the atomic timekeeping function
This document is a user manual for CASIO watches, which introduces the features and usage precautions of the watches, including the use of solar charging, avoiding prolonged use in dark places, and the functions and operations of the watches.