Casio 2428 Manual del usuario
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USER'S GUIDE 2428
General Guide
The operational procedures for Modules 2428 and 2470 are identical. All of the
illustrations in this manual show Module 2428.
• Press B to change from mode to mode. Each mode is explained in detail on
the following pages.
Timekeeping Mode
[Module 2470]
Timekeeping Mode
• In the Timekeeping Mode, press C to switch
PM indicator
between the 12-hour and 24-hour formats.
Day of the week
• In the Timekeeping Mode, press A to illuminate the
display for a few seconds.
Day
• Day of the week is displayed as follows.
SU: Sunday
TU: Tuesday
TH: Thursday
SA: Saturday
Hour
Minutes
Seconds
Backlight Precautions
The backlight uses an EL (electro-luminescent) panel that causes the entire
display to glow for easy reading in the dark.
• The electro-luminescent panel that provides illumination loses power after
very long use.
• The illumination provided by the backlight may be hard to see when viewed
under direct sunlight.
• The watch may emit an audible sound whenever the display is illuminated.
This is due to vibration of the EL panel used for illumination, and does not
indicate malfunction.
• Frequent use of the backlight shortens the battery life.
Alarm Mode
When the Daily Alarm is switched on, the alarm
Mode indicator
sounds for 20 seconds at the preset time each day.
Hour
Minutes
When the Hourly Time Signal is switched on, the
watch beeps every hour on the hour.
To set the alarm time
1. Hold down A while in the Alarm Mode until the
hour digits start to flash on the display. The hour
digits flash because they are selected .
2. Press A to change the selection in the following
sequence.
• Pressing A also illuminates the display.
Hourly time
Alarm on
signal on
indicator
Hour
indicator
Normal Alarm Mode (No digit flashes)
• Once you reach the normal Alarm Mode, you have to hold down A again
until the hour digits start to flash.
3. Press C to increase the selected digits. Holding down C changes the
number at high speed.
• The format (12-hour and 24-hour) of the alarm time matches the format you
select for normal timekeeping.
• When setting the alarm time using the 12-hour format, take care to set the
time correctly as morning or afternoon (PM).
4. After you set the alarm time, press A to return to the Alarm Mode. At this
time the Daily Alarm is switched on automatically.
To stop the alarm
Press A to stop the alarm after it starts to sound.
To switch the Daily Alarm and Hourly Time Signal on and off
Press C while in the Alarm Mode to change the status of the Daily Alarm and
Hourly Time Signal in the following sequence.
[Alarm on Indicator/Hourly Time Signal on Indicator]
Both on
Both off
Daily Alarm
only
To test the alarm
Hold down C while in the Alarm Mode to sound the alarm.
Press
.
[Module 2428]
MO: Monday
WE: Wednesday
F R : Friday
Minutes
Hourly Time
Signal only
• After you perform an operation in any mode, pressing B returns to the
Timekeeping Mode.
Alarm Mode
Stopwatch Mode
Stopwatch Mode
The Stopwatch Mode lets you measure elapsed time,
Mode Indicator
split times, and two finishes. The range of the
Minutes
Seconds
stopwatch is 59 minutes, 59.99 seconds.
1/100 second
Split time
indicator
(a) Elapsed time measurement
Start
Stop
Re-start
(b) Split time measurement
Start
Split
Split release
(c) Split time and 1st-2nd place times
Start
Split
Stop
First runner
Second runner
finishes.
finishes.
Record time of
first runner.
Time Setting Mode
To set the time and date
PM indicator
1. Use B to enter the Time Setting Mode.
Day of the week
• The second's digits flash because they are
Day
selected.
2. Press A to change the selection in the following
sequence.
• Pressing A also illuminates the display.
Seconds
Day of week
Minutes
Hour
Seconds
3. While the second's digits are selected (flashing), press C to reset the
seconds to "00". If you press C while the second's count is in the range of
30 to 59, the seconds are reset to "00" and 1 is added to the minutes. If the
second's count is in the range of 00 to 29, the minute's count is unchanged.
4. While any other digits (besides seconds) are selected (flashing), press C to
increase the number. While the day of the week is selected, pressing C
advances to the next day. Holding down C changes the current selection at
high speed.
5. After you set the time and date, press B to return to the Timekeeping Mode.
• If you do not operate any button for a few minutes while a selection is
flashing, the flashing stops and the watch goes back to the Timekeeping
Mode automatically.
Time Setting Mode
Stop
Clear
Stop
Clear
Split release
Clear
Record time of
second runner.
Hour
Minutes
Day
Month
1