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Operation Guide 3155

3

To turn auto receive on and off

1. In the Timekeeping Mode, press 

D

 to display the last

successful receive time and date screen.

2. Hold down 

A

 until the current auto receive setting (

ON

or 

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.

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

Press 

D

 to view the last successful receive time and

date. Press 

D

 again to return to the previous screen.

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On/Off status

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.

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.

Cannot perform
manual receive.

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

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

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
settings updated indicator
disappears 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 settings
updated indicator appears only
when time data and date data (year,
month, day) are both received.

What you should do

Problem

Probable Cause

Signal Reception Troubleshooting

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

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.

Time setting is
incorrect following
signal reception.

Change the DST setting to
Auto DST.

Select the correct Home City
code.

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

Rally Mode

The Rally Mode of your watch can be used to measure special stage elapsed time,
and to keep track of the goal target time (countdown). The Rally Mode timing
operation is shown in the illustration below.

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Start point

D

 Start

D

 Stop

B

 Record elapsed time

The watch returns to the reset
screen automatically when the
target time becomes zero.

Special stage (competitive section 42' 30" 0)

Target time (0:50)

Special stage time
measurement end

Goal

Road section (non-competitive 07' 30" 0)

Remaining
target time
(hours:minutes)

Elapsed time
1/10-second indicator

Special stage elapsed
time (hours, minutes,
seconds, 1/10-second)

Remaining target time
(minutes, seconds)

Special Stage Elapsed Time Measurement

The special stage elapsed time is measured up to 99 hours, 59 minutes, 59.9
seconds. If the time exceeds this, timing reverts to zero and continues from there.

Before Starting Measurement

The watch comes with 10 preset target times (link times),
which you can use as-is or change to the value you want.
You can use the 

B

 button to select the target time you

want while the current target time is reset to its initial
value.
LT-01

0:10

LT-07

1:30

LT-02

0:20

LT-08

2:00

LT-03

0:30

LT-09

3:00

LT-04

0:40

LT-10

5:00

LT-05

0:50

OFF

LT-06

1:00

LT-05

LT-05 target time (0:50)

To change a target time

1. While the current target time is reset to its initial value in

the Rally Mode, hold down 

A

 until the display contents

start to flash. This is the setting screen.

2. Use the 

D

 (+) and 

B

 (–) buttons to select the target

(link) time you want to change.

3. Press the 

C

 button so the current target time’s hour

digit starts to flash.

4. Use the 

D

 (+) and 

B

 (–) buttons to change the hour digit value.

5. Press the 

C

 button to move the flashing to the minute digits.

6. Use the 

D

 (+) and 

B

 (–) buttons to change the minute digit value.

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7. After the time is setting you want, press the 

A

 button to exit the setting screen.

You can set a target time up to 24 hours, in units of one minute.

Target (link) time 

number

Target time hours

Target time 

minutes

C

C

C

To start a Rally Mode time measurement

Press the 

D

 button to start the auto start countdown.

Time measurement (special stage) will start when the
auto start countdown reaches 00 seconds.

The watch will beep and display illumination will flash
whenever the remaining auto countdown time reaches
50, 40, 30, 20, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 and 0 seconds.

You can cancel the auto start countdown at any point
and start time measurement (special stage) manually by
pressing the 

D

 button.

You can cancel the countdown and return to the
countdown start screen by pressing the 

B

 button while

a countdown is in progress.

Auto start countdown
seconds indicator

Remaining auto start
countdown time
(36 seconds indicated here)

Special Stage Timing

This section describes operations you can perform while
special stage timing is in progress.

To pause the current time on the display

While a special stage timing operation is in progress press
the 

D

 button.

This will pause the current elapsed time (flashing) on the
display for about one or two minutes. Though the time is
frozen on the display, the watch continues the special
stage timing operation (and count down of the remaining
target time) internally.

While a time is paused on the display, you can record it
in memory or reset the timing operation to zero. If you
don’t do anything, the display will return to the normal
elapsed time measurement screen after a few minutes.

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Measured elapsed time

Target time

To record the time paused on the display

While a time is paused on the display (see above), press the 

B

 button.

This will save the paused time in memory and display the ongoing special stage
timing operation.

The watch has enough memory to store up to 30 measurement time records. If there
are already 30 records in memory, storing a new measurement time causes the
oldest record to be deleted automatically to make room for the new one.

To reset the timing operation to zero

While a time is paused on the display (see above), hold down the 

B

 button.

This will reset the elapsed time operation to zero.

To cancel an ongoing elapsed time measurement operation

Hold down the 

B

 button to reset the elapsed time operation to zero.

To change screen contents during elapsed time measurement

Press the 

B

 button to display the remaining target time. Note that this operation is not

available if “OFF” is selected for the target time.

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When the remaining target
time is 5 minutes or more

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When the remaining target time is
less than 5 minutes

Target
time

Target
time

Remaining Target Time Alert

The watch will beep and display illumination will flash when the remaining  target time
reaches the following points, 5, 3 and 1 minute, and 30, 10, 5, 4, 3, 2, and 1 second
before time up, and at time up.

Summary of Contents for 3155

Page 1: ...al You also can perform a manual procedure to set the time and date when necessary The first thing you should do after purchasing this watch is to specify your Home City the city where you normally will use the watch For more information see To specify your Home City below When using the watch outside the areas covered by the time signal transmitters you will have to adjust the current time settin...

Page 2: ...ht 1 00 am 2 00 am 3 00 am 4 00 am 5 00 am and Daylight Saving Time Next day HNL ANC LAX DEN CHI NYC YVR YEA MEX MIA YTO YHZ YYT Note When a calibration time is reached the watch will receive the calibration signal only if it is in either the Timekeeping Mode or World Time Mode Reception is not performed if a calibration time is reached while you are configuring settings Auto receive of the calibr...

Page 3: ...he value you want You can use the B button to select the target time you want while the current target time is reset to its initial value LT 01 0 10 LT 07 1 30 LT 02 0 20 LT 08 2 00 LT 03 0 30 LT 09 3 00 LT 04 0 40 LT 10 5 00 LT 05 0 50 OFF LT 06 1 00 LT 05 LT 05 target time 0 50 To change a target time 1 While the current target time is reset to its initial value in the Rally Mode hold down A unt...

Page 4: ...imekeeping 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 UTC Differential City Code List for information about the UTC differential settings that are supported City code Current time in selected city All of the operations in this section are performed in the World Time Mode which you enter by pressing C To...

Page 5: ...Use D and B to change the setting Setting Hours Minutes Screen 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 stop a countdown operation completely first pause it ...

Page 6: ...e After a full charge timekeeping remains enabled for up to about seven months The following table shows the amount of time the watch needs to be exposed to light each day in order to generate enough power for normal daily operations Since these are the specs we can include all the technical details Watch not exposed to light Internal timekeeping Display on 18 hours per day sleep state 6 hours per...

Page 7: ...ignal bounces off the ionosphere Because of this such factors as changes in the reflectivity of the ionosphere as well as movement of the ionosphere to higher altitudes due to seasonal atmospheric changes or the time of day may change the reception range of the signal and make reception temporarily impossible Even if the time calibration signal is received properly certain conditions can cause the...

Page 8: ... a problem with the watch Pago Pago Honolulu Anchorage Vancouver Los Angeles Edmonton Denver Mexico City Chicago Miami Toronto New York 11 0 10 0 09 0 08 0 07 0 06 0 05 0 PPG HNL ANC YVR LAX YEA DEN MEX CHI MIA YTO NYC UTC Differential City Code List City City UTC Code Differential SCL YHZ YYT RIO RAI UTC LIS LON MAD PAR ROM BER STO Santiago Halifax St Johns Rio De Janeiro Praia Lisbon London Madr...

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