Casio 2550 Manuale d'uso - Pagina 4
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To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, display the city code (time
zone) whose Standard Time/Daylight Saving Time
setting you want to change.
2. Hold down A for about two seconds to toggle between
Daylight Saving Time (DST displayed) and Standard
Time (DST not displayed).
• The DST indicator is on the display whenever you
display a city code for which Daylight Saving Time is
turned on.
• Note that the DST/Standard Time setting affects only the
currently displayed city code. Other city codes are not
affected.
• Note that you cannot switch between Standard Time
and Daylight Saving Time while
city code.
Alarms
You can set up to five independent multi-function alarms
Alarm date
with hour, minutes, month, and day. When an alarm is
(Month – Day)
turned on, the alarm tone sounds when the alarm time is
reached. One of the alarms is a snooze alarm, while the
other four are one-time alarms. You can also input
reminder text.
You can turn on an Hourly Time Signal that causes the
watch to beep twice every hour on the hour.
• There are five alarm screens numbered
the one-time alarm, a snooze alarm screen indicated by
Sn
. The Hourly Time Signal screen is indicated by
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing [5] while the
Mode Menu is on the display.
Alarm number
• Holding down the [7] keypad key in the Alarm Mode
Alarm time
displays the Timekeeping Mode time in the top line of
(Hour : Minutes)
the screen.
Alarm Types
The alarm type is determined by the settings you make, as described below.
• Daily alarm
Set the hour and minutes for the alarm time. This type of setting causes the alarm to
sound everyday at the time you set.
• Date alarm
Set the month, day, hour and minutes for the alarm time. This type of setting causes
the alarm to sound at the specific time, on the specific date you set.
• 1-Month alarm
Set the month, hour and minutes for the alarm time. This type of setting causes the
alarm to sound everyday at the time you set, only during the month you set.
• Monthly alarm
Set the day, hour and minutes for the alarm time. This type of setting causes the alarm
to sound every month at the time you set, on the day you set.
To set an alarm time
1. In the Alarm Mode, use [=] and [1] to scroll through
the alarm screens until the one whose time you want to
set is displayed.
Press
• To set a one-time alarm, display one of the screens indicated by an alarm number
from x1 through x4. To set the snooze alarm, display the screen indicated by Sn.
2. After you select an alarm, hold down A until the left hour digit of the alarm time
starts to flash, which indicates the setting screen.
• This operation automatically turns on the alarm.
3. Use C and D to move the flashing in the sequence shown below to select other
settings.
Press
Hour
Minutes
Month
Press
• Selecting the text causes the text input cursor (
in the text, so you have to press C eight times to move to the Hour setting.
4. While a setting is flashing, use the keys and buttons to change it as described below.
Screen
To do this:
Change the hour and minutes
Change the month and day
Input reminder text
• You must input separate values for each of the two digits of the hour, minutes,
month, and day settings.
• While hour or minutes is flashing, press [pm] to toggle between AM (A indicator
appears) and PM (P indicator appears).
• Holding down B for about one second while inputting reminder text clears the
currently input reminder text.
5. Press A to exit the setting screen.
One-time alarm
• Pressing D toggles the top line of the alarm screen
on indicator
between the alarm date and the reminder text.
• Reminder text appears on the Alarm Mode screen only.
If the reminder text is more than five characters long, it
scrolls from right to left when displayed.
USER'S GUIDE 2550
is selected as the
GMT
1
through
4
for
:00
.
.
Press
.
.
Day
Text
.
#
) to appear. There are eight spaces
Do this:
Use the keypad to input values.
• To set an alarm that does not include a
month and/or day, leave the month or
day settings as xx, or press [pm] to
input xx. Next, press C to advance
to the next setting.
• Use keypad keys to input characters.
• Use C and D to move the cursor.
• See "Inputting Text".
Alarm Operation
The alarm sounds at the preset time for about 20 seconds, regardless of the mode the
watch is in. In the case of the snooze alarm, the alarm operation is performed a total
of seven times, every five minutes, until you turn the alarm off.
• Pressing any button or key stops the alarm tone operation.
• Performing any one of the following operations during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the Alarm
setting screen
Sn
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn an alarm on and off
1. In the Alarm Mode, use [=] and [1] to select an alarm.
2. Press A to toggle it on and off.
• Turning on a one-time alarm (
through
1
4
x
(
) on its Alarm Mode screen. Turning on the snooze alarm displays the snooze
alarm on indicator (
) on its Alarm Mode screen.
x
• The applicable alarm on indicator (
or
alarm is turned on.
x
• The applicable alarm on indicator (
or
• The SNZ indicator flashes during the 5-minute intervals between alarms.
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use [=] and [1] to select the Hourly Time Signal (
y
2. Press A to toggle it on (
displayed) and off (
y
• The Hourly Time Signal on indicator (
) is shown on the display in all modes while
this function is turned on.
Countdown Timer
You can set the countdown timer within a range of one
minute to 24 hours. An alarm sounds when the countdown
reaches zero.
1/10
second
• You can also select auto-repeat, which automatically
restarts the countdown from the original value you set
whenever zero is reached.
• The countdown timer measurement 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
[6] while the Mode Menu is on the display.
• Holding down the [7] keypad key in the Countdown
Timer Mode displays the Timekeeping Mode time in the
Hours
Seconds
top line of the screen.
Minutes
To set the countdown start time
1. In the Countdown Timer Mode, hold down A until the
left hour digit of the countdown start time starts to flash,
which indicates the setting screen.
2. Use the keypad keys to input the countdown start time.
• You can also use C and D to move the flashing
between the digits.
• To set the start time to 24 hours, set
3. Press A to exit the setting screen.
To use the countdown timer
Press D while in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached and auto-repeat is turned off, the alarm
sounds for 10 seconds or until you stop it by pressing any button. The countdown
time is automatically reset to its starting value after the alarm stops.
• 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 returns the countdown time to its starting value.
To turn auto-repeat on and off
1. In the Countdown Timer Mode, hold down A until the
left hour digit of the countdown start time starts to flash,
Auto-repeat on indicator
which indicates the setting screen.
2. Press B to toggle auto-repeat on (
and off (
TMR
3. Press A to exit the setting screen.
• When auto-repeat is turned on, the alarm sounds and
countdown starts again whenever the countdown
reaches zero. You can stop the countdown by pressing
D, and manually reset to the countdown start time by
pressing A.
• Frequent use of auto-repeat and the alarm shortens the
battery life.
Stopwatch
The stopwatch lets you measure elapsed time, split times,
1/100 second
and two finishes.
• The display range of the stopwatch is 23 hours,
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.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing [pm]
while the Mode Menu is on the display.
Hours
Seconds
• Holding down the [7] keypad key in the Stopwatch
Mode displays the Timekeeping Mode time in the top
Minutes
line of the screen.
) displays the one-time alarm on indicator
) is displayed in all modes when an
) flashes while the alarm is sounding.
:00
).
y
not displayed).
00:00
.
displayed)
displayed).
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