World time, Alarms, Stopwatch – Casio 3159 User Manual

Page 3: Operation guide 3159

Operation Guide 3159

To turn auto receive on and off

1. In the Timekeeping Mode, press D to display the latest

successful receive time and date screen.

2. Hold down A until the current auto receive setting (

OFF) starts to flash. This is the setting screen.

• Note that the setting screen will not appear if the

currently selected Home City is one that does not
support time calibration reception.

l ll

lll

l l l

On/Off status

3. Press D to toggle auto receive on (

ON) and off (OFF).

4. Press A to exit the setting screen.

• For information about city codes that support signal receive, see “To specify your

Home City”.

To check the latest signal reception results

In the Timekeeping Mode, press D to view the latest
successful receive time and date. Press D again to
return to the previous screen.

• The watch also will return to normal timekeeping if you

do not perform any button operation for about one or two
minutes.

Signal Reception Troubleshooting

Check the following points whenever you experience problems with signal reception.

• The watch is not in the

Timekeeping Mode.

• Your current Home City is not

one of the following: LIS, LON,
MAD, PAR, ROM, BER, STO,
ATH, MOW, HKG, BJS, TPE,
SEL, TYO, HNL, ANC, YVR,
LAX, YEA, DEN, MEX, CHI,
MIA, YTO, NYC, YHZ, or YYT

• A countdown timer operation is

in progress.

• You changed the time setting

manually.

• The DST setting was changed

manually in the World Time Mode.

• You pressed a button while

signal receive was in progress.

• Even if receive is successful,

the RCVD indicator will
disappear from the display each
day when the first auto receive
operation of the day is
performed.

• Time data (hour, minutes,

seconds) only was received
during the last receive
operation. The RCVD indicator
appears only when time data
and date data (year, month,
day) are both received.

• Enter the Timekeeping Mode

and try again.

• Select LIS, LON, MAD, PAR,

ROM, BER, STO, ATH, MOW,
HKG, BJS, TPE, SEL, TYO,
HNL, ANC, YVR, LAX, YEA,
DEN, MEX, CHI, MIA, YTO,
NYC, YHZ, or YYT as your
Home City.

• Enter the Countdown Timer

Mode and stop the countdown.

• Perform manual signal receive

or wait until the next auto
signal receive operation is
performed.

• Check to make sure the watch

is in a location where it can
receive the signal.

What you should do

Problem

Probable Cause

Cannot perform
manual receive.

Auto receive is
turned on, but
the RCVD
indicator does
not appear on
the display.

• If the time is one hour off, the

DST setting may be incorrect.

• The Home City code setting is

not correct for the area where
you are using the watch.

• Change the DST setting to

Auto DST.

• Select the correct Home City

code.

Time setting is
incorrect
following signal
reception.

• For further information, see “Important!” under “Time Calibration Signal Reception”

and “Radio-controlled Atomic Timekeeping Precautions”.

World Time

World Time shows the current time in 48 cities (29 time
zones) around the world.

• The times kept in the World Time Mode are

synchronized with the time being kept in the
Timekeeping Mode. If you feel that there is an error in
any World Time Mode time, check to make sure you
have the correct city selected as your Home City. Also
check to make sure that the current time as shown in
the Timekeeping Mode is correct.

• Select a city code in the World Time Mode to display the

current time in any particular time zone around the
globe. See the “City Code Table” for information about
the UTC differential settings that are supported.

• All of the operations in this section are performed in the

World Time Mode, which you enter by pressing C.

Current time in
selected city

City code

To view the time in another city

While in the World Time Mode, press D to scroll through the city codes (time zones).

• Pressing D and B at the same time will jump to the UTC time zone.

To toggle a city code time between Standard Time and Daylight Saving Time

1. In the World Time Mode, press D to display the city

code (time zone) whose Standard Time/Daylight Saving
Time setting you want to change.

2. Hold down A to toggle between Daylight Saving Time

(DST indicator displayed) and Standard Time (DST
indicator not displayed).

• The DST indicator is shown on the World Time Mode

screen while Daylight Saving Time is turned on.

• Note that the Standard Time/Daylight Saving 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 UTC is selected as the
city code.

DST indicator

Alarms

The Alarm Mode gives you a choice of four one-time
alarms and one snooze alarm.
Also use the Alarm Mode to turn the Hourly Time Signal
(

SIG

) on and off.

• There are five alarm screens numbered

AL1

AL2

AL3

and

AL4

for the one-time alarm, and a snooze

alarm screen indicated by

SNZ

. The Hourly Time

Signal screen is indicated by

SIG

• All of the operations in this section are performed in the

Alarm Mode, which you enter by pressing C.

Alarm number

Alarm time
(Hour : Minutes)

To set an alarm time

1. In the Alarm Mode, press 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 alarm screen

AL1

AL2

AL3

AL4

To set the snooze alarm, display the

SNZ

screen.

• 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 turns on the alarm automatically.

3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (–) to change it.

• With the 12-hour format, set the time correctly as a.m. or p.m. (P indicator).

5. Press A to exit the setting screen.

Alarm Operation

The alarm tone sounds at the preset time for 10 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.

• Alarm and Hourly Time Signal operations are performed in accordance with the

Timekeeping Mode time.

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

• Performing any one of the operations below during a 5-minute interval between

snooze alarms cancels the current snooze alarm operation.

Displaying the Timekeeping Mode setting screen
Displaying the

SNZ

setting screen

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 D to select an alarm.
2. Press A to toggle it on (

) and off (

• Turning on a alarm (

AL1

AL2

AL3

AL4

SNZ

) displays the alarm on indicator on its Alarm Mode

screen.

• In all modes, the alarm on indicator is shown for any

alarm that currently is turned on.

• The alarm on indicator flashes while the alarm is

sounding.

• The snooze alarm indicator flashes while the snooze

alarm is sounding and during the 5-minute intervals
between alarms.

On/Off status

Alarm on indicator

Snooze alarm indicator

To turn the Hourly Time Signal on and off

1. In the Alarm Mode, use D to select the Hourly Time

Signal (

SIG

2. Press A to toggle it on (

) and off (

• The Hourly Time Signal on indicator is shown on the

display in all modes while this function is turned on.

On/Off status

Hourly time signal
on indicator

Stopwatch

The stopwatch lets you measure elapsed time, split times,
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 C.

1/100 second

Seconds

Minutes

Hours

To measure times with the stopwatch

Elapsed Time

Split Time

Two Finishes

Start

D
Start

Stop

Re-start

Stop

Split
(SPL displayed)

Split release

Stop

Split
First runner finishes.
Display time of first
runner.

Stop
Second runner
finishes.

Split release
Display time of
second runner.

➤

Clear