Casio 3128 User's Operation Manual

MA0802-EA
About This Manual
General Guide
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press B to illuminate
the display for about one second.
Timekeeping Mode
Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
• Holding down D in 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.
PM indicator
Hour : Minutes
Seconds
To set the time and date
Seconds
3. When the setting you want to change is flashing, use D and B to change it as
described below.
Screen To do this:
Reset the seconds to 00
Change the hour or minutes
Toggle between 12-hour (12H) and
24-hour (24H) timekeeping
Change the year
Change the month or day
4. Press A to exit the setting screen.
• Resetting the seconds to 00 while the current count is in the range of 30 to 59
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.
• With the 12-hour format, the 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 the 24-hour format, times are displayed without any indicator.
• 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.
Operation Guide 3128
• 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.
Countdown Timer Mode
Press .
Hold down .
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select other settings.
Seconds Hour
12/24-hour format
Day Month
Do this:
Press D.
Use D (+) and B (–).
Press D.
Use D (+) and B (–).
Stopwatch Mode
Countdown Timer
Minutes
Seconds
Month, Day
Mode indicator
Day of week
To perform a countdown timer operation
In the Countdown Timer Mode, press D to start the countdown.
• When the countdown reaches zero, the alarm tone will sound for 10 seconds or until
you stop it by pressing any button. The countdown time will reset automatically to its
starting value after the alarm stops.
• In addition to the alarm tone, a Flash Alert operation will be performed when the
countdown reaches zero. The Flash Alert operation will continue for 10 seconds or
Minutes
until you stop it by pressing any button.
• Press D while a countdown operation is in progress to pause it. Press D again to
resume the countdown.
• To completely stop a countdown operation, first pause it (by pressing D), and then
press A. This will return the countdown time to its starting value.
Year
Stopwatch
Minutes
Seconds
1/100 second
To measure elapsed time with the stopwatch
Elapsed Time
Start
Alarm Mode
The countdown timer can be set within a range of one to
60 minutes. An alarm will sound when the countdown
reaches zero.
• The initial factory default setting is one minute.
• The countdown operation continues even if you exit the
Countdown Timer Mode.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
To set the countdown start time
In the Countdown Timer Mode, press A to increase the
countdown start time (minutes).
• You can set the countdown start time within the range of
one minute to 60 minutes, in one-minute increments.
• Holding down A will increase the countdown start time
at high speed.
The stopwatch measures elapsed time.
• The display range of the stopwatch is 59 minutes, 59.99
seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
Stop Re-start Stop
Dual Time Mode
Clear
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