Casio 5257 Operation Manual Download Page 3

Operation Guide 5257

E-29

4. While a setting is flashing, use 

D

 (+) and 

B

 (–) to change it.

When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (no indicator) or p.m. (

PM

 indicator).

5. Press 

A

 to exit the setting screen.

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, or until you turn the alarm off (page E-30).

Alarm and Hourly Time Signal operations are performed in accordance with the
Timekeeping Mode digital time.

To stop the alarm tone after it starts to sound, press any button.

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 (page E-11)
Displaying the 

SNZ

 setting screen (page E-28)

To test the alarm

In the Alarm Mode, hold down 

D

 to sound the alarm.

E-28

To set an alarm time

1. In the Alarm Mode, use 

D

 to scroll through the alarm

screens until the one whose time you want to set is
displayed.

To set a one-time alarm, display one of the screens indicated by an alarm number
from 

AL1

through 

AL4

. To set the snooze alarm, display the screen indicated

by 

SNZ

.

The snooze alarm repeats every five minutes.

2. After you select an alarm, hold down 

A

 until the hour setting of the alarm time

starts to flash, which indicates the setting screen.

This operation automatically turns on the alarm.

3. Press 

C

 to move the flashing between the hour and minute settings.

E-27

Alarms

You can set five independent Daily Alarms. When an
alarm is 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 turn on an Hourly Time Signal that causes the
watch to beep twice every hour on the hour.

There are six screens in the Alarm Mode. Four are for
one-time alarms (indicated by numbers from

AL1

through 

AL4

), one is for a snooze alarm

(indicated by 

SNZ

), and one is for the Hourly Time

Signal (indicated by 

SIG

).

All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing 

C

 (page

E-7).

On/Off status 

Alarm time 
(Hour : Minutes) 

Alarm number 

E-26

To measure times with the stopwatch

Elapsed Time 

Start

Stop

Re-start

Stop

Clear

Start

Split

(SPL indicator 
 displayed) 

Split release

Stop

Clear

Start

Split

Stop

Split release

Clear

Split Time 

Two Finishes

First runner 
finishes.
Display time of 
first runner.

Second runner 
finishes.

Display time of 
second runner.

E-25

Stopwatch

The stopwatch lets you measure elapsed time, split times,
and two finishes.

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.

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 

C

 (page

E-7).

Seconds 

1/100 second 

SPL indicator 

Minutes 

E-24

To use the countdown timer

Press 

D

 while in the Countdown Timer Mode to start the

countdown timer.

The countdown timer operation continues even if you
exit the Countdown Timer Mode.

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.

E-23

Setting

Start Time

Auto-repeat

Progress Beeper

Screen

Button Operation

Use 

D

 (+) and 

B

 (–) to change the setting.

You can set a start time in the range of 1 to 60 minutes in
1-minute increments.

Press 

D

 to toggle auto-repeat on (

 displayed) and off

(

 displayed).

Press 

D

 to toggle the progress beeper on (

ON

) and off

(

OF

).

4. Press 

A

 to exit the setting screen.

You can also perform steps 1 and 2 of the above procedure whenever you need to
view the current auto-repeat and progress beeper settings.

E-22

To configure the countdown timer

1. While the countdown start time is on the display in the

Countdown Timer Mode, hold down 

A

 until the current

countdown start time starts to flash, which indicates the
setting screen.

If the countdown start time is not displayed, use the
procedure under “To use the countdown timer” (page
E-24) to display it.

2. Press 

C

 to move the flashing in the sequence shown

below to select other settings.

Start Time

Auto-repeat

Progress Beeper

3. When the setting you want to change is flashing, use

B

 and 

D

 to change it as described below.

E-21

Countdown End Beeper

The countdown end beeper lets you know when the countdown reaches zero.

When the progress beeper is turned off, the countdown end beeper sounds for
about 10 seconds, or until you press any button to stop it.

When the progress beeper is turned on, the countdown end beeper sounds for
about one second.

Progress Beeper

When the progress beeper is turned on, the watch uses beeps to signal countdown
progress as described below.

Starting from five minutes before the end of the countdown, the watch emits four
short beeps at the top of each countdown minute.

30 seconds before the end of the countdown, the watch emits four short beeps.

The watch emits a short beep for each of the last 10 seconds of the countdown.

If the countdown start time is six minutes or greater, the watch emits a short beep for
each second of the final 10 seconds before the five-minute point is reached. Four
short beeps are emitted to signal when the five-minute point is reached.

E-20

Auto-repeat

When auto-repeat is turned on, the countdown automatically restarts from the
countdown start time when it reaches zero. If left running, the countdown is repeated
a total of eight times, after which it stops automatically.
When auto-repeat is turned off, the countdown stops when it reaches zero and the
display shows the original countdown start time.

Pressing 

D

 while an auto-repeat countdown is in progress pauses the current

countdown. You can resume the auto-repeat countdown by pressing 

D

, or you can

press 

A

 to reset to the countdown time starting value.

Countdown Timer Beeper Operations

The watch beeps at various times during a countdown so you can keep informed
about the countdown status without looking at the display. The following describes the
types of beeper operations the watch performs during a countdown.

Summary of Contents for 5257

Page 1: ...djust the analog time E 15 To view the time in another city E 17 To toggle a city code time between Standard Time and Daylight Saving Time E 18 To configure the countdown timer E 22 To use the countdown timer E 24 To measure times with the stopwatch E 26 To set an alarm time E 28 E 3 Contents General Guide E 6 Timekeeping E 8 World Time E 17 Countdown Timer E 19 Stopwatch E 25 Alarms E 27 Illumina...

Page 2: ...t high speed E 14 To toggle the Timekeeping Mode digital time between DST and Standard Time 1 In the Timekeeping Mode hold down A until the seconds start to flash which indicates the setting screen 2 Press C once to display the DST setting screen 3 Press D to toggle between Daylight Saving Time ON displayed and Standard Time OF displayed 4 Press A to exit the setting screen The DST indicator appea...

Page 3: ...y pressing C page E 7 Seconds 1 100 second SPL indicator Minutes E 24 To use the countdown timer Press D while in the Countdown Timer Mode to start the countdown timer The countdown timer operation continues even if you exit the Countdown Timer Mode 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 pa...

Page 4: ...o Return Feature If you leave a screen with flashing digits on the display for two or three minutes without performing any operation the watch automatically exits the setting screen Scrolling The B and D buttons are used in various modes and setting screens to scroll through data on the display In most cases holding down these buttons during a scroll operation scrolls through the data at high spee...

Page 5: ...Manila Perth Ulaanbaatar TYO Tokyo 9 Seoul Pyongyang ADL Adelaide 9 5 Darwin SYD Sydney 10 Melbourne Guam Rabaul NOU Noumea 11 Port Vila WLG Wellington 12 Christchurch Nadi Nauru Island City City GMT Other major cities in same time zone Code Differential 11 Pago Pago HNL Honolulu 10 Papeete ANC Anchorage 9 Nome LAX Los Angeles 8 San Francisco Las Vegas Vancouver Seattle Tacoma Dawson City DEN Denv...

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