Operation Guide 4765

Stopwatch

Signal Reception Troubleshooting

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

Problem

Probable Cause

What you should do

Cannot perform

The watch is not in the Timekeeping Mode.

Enter the Timekeeping
manual receive. Your current Home City is not one ofMode and try again.

 

the following:

Select LIS, LON, MAD, PAR,

 

LIS, LON, MAD, PAR, ROM, BER, STO,

ROM, BER, STO, ATH, MOW,

 

ATH, MOW, HKG, BJS, TPE, SEL, TYO,

HKG, BJS, TPE, SEL, TYO,

 

HNL, ANC, YVR, LAX, YEA, DEN, MEX,

HNL, ANC, YVR, LAX, YEA,

 

YWG, CHI, MIA, YTO, NYC, YHZ, or

DEN, MEX,YWG, CHI, MIA,

 

YYT

YTO, NYC, YHZ, or YYT as

 

 

your Home City.
Time setting is If the time is one hour off, the DSTChange the DST setting to
incorrectsetting may be incorrect.Auto DST.
1/100 second SecondsMinutes
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.

Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elapsed time measurement.

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.

following signal The Home City code setting is not

Select the correct Home City

reception.correct for the area where you arecode.

 

using the watch.

 

For further information, see “Important!” under “Time Calibration Signal Reception” and “Radio-controlled Atomic Timekeeping Precautions”.

World Time

City code

The World Time Mode digitally displays the current time in

48 cities (29 time zones) around the world.

 

 

 

If the current time shown for a city is wrong, check your

 

 

 

 

 

 

Home City time settings and make the necessary

 

 

 

changes.

 

 

 

The watch will perform a signal reception even if it is in

 

 

 

the World Time Mode when a calibration time is

 

 

 

reached. If this happens, the World Time Mode time

 

 

 

settings will be adjusted in accordance with the

 

 

 

Timekeeping Mode’s Home City time.

 

 

 

All of the operations in this section are performed in the
Current time in
World Time Mode, which you enter by pressing C.
selected city

 

To measure times with the stopwatch

Elapsed Time

D

D

D

D

A

Start

Stop

Re-start

Stop

Clear

Split Time

 

 

 

 

D

A

A

D

A

Start

Split

Split release

Stop

Clear

 

( displayed)

 

 

 

Two Finishes

 

 

 

 

D

A

D

A

A

Start

Split

Stop

Split release

Clear

 

First runner

Second runner

Display time of

 

 

finishes.

finishes.

second runner.

 

 

Display time of

 

 

 

 

first runner.

 

 

 

Alarm

To view the time in another city

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

For full information on city codes, see the “City Code Table”.

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

1. In the World Time Mode, use Dto display the city code (time zone) whose Standard Time/Daylight Saving Time setting you want to change.

2. Hold down Ato toggle Daylight Saving Time (DST indicator displayed) and Standard Time (DST indicator

On/Off status

2 seconds

Alarm Screen

When the alarm is turned on, the alarm sounds when the alarm time is reached. You can also turn on an Hourly Time Signal, which will cause the watch to beep twice every hour on the hour.

When the alarm is turned on, the alarm screen
alternates between ALON (alarm on) and the current
alarm time (hour and minutes). When the alarm is off,
ALOF (alarm off) remains on the alarm screen.

All of the operations in this section are performed in the

Alarm Mode, which you enter by pressing C.
not displayed).DST indicator

Note that you cannot use the World Time Mode to change the DST setting of the Home City code you currently have selected in the Timekeeping Mode. See “To change the Daylight Saving Time (summer time) setting” for information about turning the Home City code DST setting on and off.

The DST indicator will appear 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.

Countdown Timer

Seconds

You can set the countdown timer within a range of one to

 

60 minutes. An alarm sounds when the countdown

 

reaches zero.

 

Calibration signal reception (both auto and manual) is

 

disabled while a countdown timer operation is in

 

progress.

 

All of the operations in this section are performed in the

 

Countdown Timer Mode, which you enter by pressing

 

C.

Minutes

To set the countdown start time

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” to display it.

2.While a setting is flashing, use D(+) and B(–) to change it.3.Press A to exit the setting screen.

To use the countdown timer

Press Dwhile in the Countdown Timer Mode to start the countdown timer.

When the end of the countdown is reached, 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 Dwhile a countdown operation is in progress to pause it. Press Dagain 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.

Press D.
Pressing D in the Alarm Mode toggles between the
alarm screen and Hourly Time Signal screen.

Hourly Time Signal Screen

To set the alarm time

Alarm time (Hour : Minutes)

l

l

ll

l

 

 

l

l

 

 

l

l l

l

 

 

1.In the Alarm Mode, press D to display the alarm screen.

2.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 Cto move the flashing between the hour and minute settings.

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. (P indicator).

5.Press A to exit the setting screen.

Alarm Operation

The alarm sounds at the preset time for about 10 seconds, regardless of the mode the watch is in.

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

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

To test the alarm

In the Alarm Mode, hold down Dto sound the alarm.

To turn the alarm and the Hourly Time Signal on and off

On/Off status

1. In the Alarm Mode, press D to select the alarm or the
Hourly Time Signal screen.

 

 

2. Press A to toggle the currently selected function on

 

(ON displayed) and off (OF displayed).

 

The alarm on indicator and the Hourly Time Signal on

 

indicator remain on the display in all modes while these

 

functions are turned on.

Hourly time signal on indicator

Alarm on indicator

Illumination

An LED (light-emitting diode) and light guide panel illuminate the digital display for easy reading in the dark.

See “Illumination Precautions” for other important information.

To turn on illumination

In any mode (except when a setting is on the display), press Bto illuminate the display.

3