Casio 3251 manual

MA1008-EA

Operation Guide 3165/3251

About This Manual

•Depending on the model of your watch, display text appears either as dark figures on a light background or

light figures on a dark background. All sample displays in this manual are shown using dark figures on a light background.

• Button operations are indicated using the letters shown in the illustration.

•Each section of this manual provides you with the

information you need to perform operations in each mode. Further details and technical information can be found in the “Reference” section.

General Guide

•Press Cto change from mode to mode.

•In any mode, press Bto illuminate the display for about one second.

Timekeeping Mode Countdown Timer Mode Stopwatch Mode Alarm Mode Dual Time Mode

Press .

Timekeeping

4. Press Ato exit the setting screen.

• Resetting the seconds to 00 while the current count is in the range of 30 to 59

PM indicator

Hour : Minutes

Seconds	Hold
	down .

Month, Day Day of week

Use the Timekeeping Mode to set and view the current time and date. While Active Display is turned on, the watch maintains a count that is incremented each time you angle it towards your face for viewing, or when you otherwise move your arm. The watch changes the Timekeeping Mode current time display to one of six different styles automatically in accordance with the value of the count.

•Regardless of whether Active Display is turned on or off, tilting the watch towards your face for viewing will cause the display figures change size, rotate, or otherwise change dynamically for approximately one second. The way the display figures changes depends on the currently selected display style.

•For more information about Active Display, see “Active Display”.

causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are

reset to 00 without changing the minutes.

• The day of the week is displayed automatically in accordance with the date (year,

month, and day) settings.

• The year can be set in the range of 2000 to 2099.

• The watch’s built-in full automatic calendar makes allowances for different month

lengths and leap years. Once you set the date, there should be no reason to change

it except after you have the watch’s battery replaced.

Active Display

While Active Display is turned on, the watch will display the Timekeeping Mode current time using one of six different display styles. The style will be selected in accordance with the value of a count the watch increments each time you angle the watch towards your face or otherwise move your arm.

• While Active Display is turned on, a dancer animation will appear at random intervals in the upper half of the

•Holding down Din the Timekeeping Mode will display the current month, day, and day of the week. The current time will return to the display about one second after you release D.

Time Display Formats

Your watch can display the current time using any one of the following display formats. 12 - 11: This 12-hour format does not distinguish between noon and midnight, which

are both displayed as 12:00.

0 - 11: This 12-hour format does not distinguish between noon and midnight, which are both displayed as 0:00.

0 - 23: This 24-hour format distinguishes between noon (12:00) and midnight (0:00).

6 - 29: This 24-hour format uses a day that starts at 6:00 a.m. and ends at 5:59 a.m. The date changes at 6:00 a.m.

•For information about setting the time, see “To set the time and date”.

•With a 12-hour format, the P (PM) indicator appears on the display for times in the range of noon to 11:59 p.m. and no indicator appears for times in the range of midnight to 11:59 a.m.

•With a 24-hour format, times are displayed without any indicator.

•The time format you select for the Timekeeping Mode also is applied in the Alarm Mode and Dual Time Mode.

To set the time and date

1. In the Timekeeping Mode, hold down Auntil the seconds start to flash, which indicates the setting screen.

2. Press Cto move the flashing in the sequence shown below to select other settings.

Seconds Hour Minutes

Seconds

Active Display on/off		Time format
Day	Month		Year

3.When the setting you want to change is flashing, use Dand Bto change it as described below.

Screen	To do this:	Do this:
	Reset the seconds to 00	Press D.
	Change the hour or minutes	Use D(+) and B(–).
	Select the time format :	Press D.
	12-11,0-23,6-29, or 0-11
	Change the year	Use D(+) and B(–).
	Change the month or day
	Turn Active Display on (on) and	Press D.
	off (OF)

•For more information about Active Display, see “Active Display”.

display. The dancer animation also will appear whenever you change from one mode to another, regardless of whether Active Display is on or off.

• While Active Display is turned off, you can select from

Dancer Animation	among Style 1 through Style 5 as the Timekeeping
	Mode current time display style.

•Regardless of whether Active Display is turned on or off, tilting the watch towards your face for viewing will cause the display figures change size, rotate, or otherwise change dynamically for approximately one second. The way the display figures changes depends on the currently selected display style.

•The following shows the six Timekeeping Mode current time display styles, which are numbered from Style 1 to Style 6.

Style 1	Style 2	Style 3
PM indicator	Hour : Minutes
Seconds
Style 4	Style 5	Style 6*

Secret!

Hour Minutes

*Style 6 appears only while Active Display is turned on. You cannot select Style 6 while Active Display is turned off.

•You may notice a very faint clicking sound coming from the watch when it is shaken back and forth. This is the sound of the Active Display movement sensing mechanism, and does not indicate malfunction of the watch.

1