This is a user manual for a CASIO watch. It can be used to view the current time and date for the local city, configure the local city and daylight saving time (DST) settings, set the time and date, view the current pressure and temperature at the current location, view the current altitude at the current location, determine the height difference between two locations (the reference point and the current location), view the current time for one of 48 cities (in 31 time zones) around the world, use a stopwatch to measure elapsed time, use a countdown timer, and set alarm times.