Casio 3521, Operation Manual, Page: 10 / 21

4.
Configure the date and time settings.
●
While the seconds are flashing,
pressing (D) will reset them to 00. 1 is
added to the minutes when the current
seconds count is between 30 and 59
seconds.
●
For all the other settings, use (B) and (D)
to change the flashing setting.
Holding down (B) or (D) scrolls through
settings at high speed.
5.
Repeat steps 3 and 4 to select time and
date settings.
6.
Press (A) to complete the setting
operation.
Note
●
While the setting is being configured,
the watch will exit the setting operation
automatically after about two or three
minutes of non-operation.
●
Switching between 12-hour and 24-
hour Timekeeping
You can specify either 12-hour format or 24-
hour format for the time display.
1.
Enter the Timekeeping Mode.
l
Navigating Between Modes
2.
Hold down (A) for at least two seconds.
Release the button when the city code
starts to flash.
City code
3.
Press (C) twice.
This causes [12H] or [24H] to flash on the
display.
4.
Press (D) to select [12H] (12-hour
timekeeping) or [24H] (24-hour
timekeeping).
24-hour timekeeping 12-hour timekeeping
5.
Press (A) to complete the setting
operation.
Note
●
While the setting is being configured,
the watch will exit the setting operation
automatically after about two or three
minutes of non-operation.
World Time
World Time lets you look up the current time
in any of 48 cities (31 time zones) around the
globe.
Checking World Time
1.
Enter the World Time Mode.
l
Navigating Between Modes
Entering the World Time Mode displays
the city code of the currently selected
World Time city.
●
Each press of (D) scrolls through city
codes.
●
To select UTC (Offset: 0) as the city
code, press (B) and (D) at the same
time.
●
For information about city codes, see
the information below.
l
City Table
City code
Watch Operation Guide 3521
10