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Operation Guide COMBIWAVE1

5

The current time setting in accordance with the time calibration signal takes priority
over any time settings you make.

The watch is designed to automatically update the date and day of the week for the
period January 1, 2000 to December 31, 2039. Setting of the date by the time
calibration signal cannot be performed starting from January 1, 2040.

This watch can receive signals that differentiate between leap years and non-leap
years.

Though this watch is designed to receive both time data (hour, minutes, seconds)
and date data (year, month, day), certain signal conditions can limit reception to time
data only.

Normally, the signal reception date shown by the Last Signal screen is the date data
included in the received time calibration signal. When only time data is received,
however, the Last Signal screen shows date as kept in the Timekeeping Mode at the
time of signal reception.

If you are in an area where proper time calibration signal reception is impossible, the
watch keeps time within ±20 seconds a month at normal temperature.

If you have problems with proper time calibration signal reception or if the time
setting is wrong after signal reception, check your current city code, DST (summer
time), and auto receive settings. The following are the initial factory defaults for these
settings.

Setting

City code
DST (summer time)

Auto receive

Initial Factory Default

NYC

(New York)

A

(Auto switching)

DST

ON

(Auto receive)

R/C

Timekeeping

Resetting the seconds to 

00

 

while the current count is in the range of 30 to 59

causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to 

00

 

without changing the minutes.

The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.

The year can be set in the range of 2000 to 2039.

The watch’s built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch’s battery replaced.

The current time for all city codes in the Timekeeping Mode and World Time Mode is
calculated in accordance with the Greenwich Mean Time (GMT) differential for each
city, based on your Home City time setting.

GMT differential is calculated by this watch based on UTC* data.

* The letters “UTC” stands for “Universal Time Coordinated,” which is the world-wide scientific

standard of timekeeping. It is based upon carefully maintained atomic (cesium) clocks that
keep time accurately to within microseconds. Leap seconds are added or subtracted as
necessary to keep UTC in sync with the Earth’s rotation. The reference point for UTC is
Greenwich, England.

12-hour/24-hour Timekeeping  Formats

The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is also
applied in all other modes.

With the 12-hour format, the 

P

 (PM) indicator appears on the display for times in the

range of noon to 11:59 p.m. and no indicator appears for times in the range of
midnight to 11:59 a.m.

With the 24-hour format, times are displayed in the range of 0:00 to 23:59. The
indicator 

24

 indicates the 24-hour format.

Illumination Precautions

The watch has an EL (electro-luminescent) panel that causes the entire display to
glow for easy reading in the dark. In any mode, press 

B

 to illuminate the display for

about one second.

The electro-luminescent panel that provides illumination loses power after very long
use.

Illumination may be hard to see when viewed under direct sunlight.

The watch may emit an audible sound whenever the display is illuminated. This is
due to vibration of the EL panel used for illumination, and does not indicate
malfunction.

Illumination turns off automatically whenever an alarm sounds.

Frequent use of illumination runs down the battery.

Honolulu

Anchorage

Los Angeles

Denver

Chicago

New York

Caracas

Rio De Janeiro

London

Paris

Berlin

City

City

GMT

Other major cities in same time zone

Code

Differential

City Code Table

– – –

HNL

ANC

LAX

DEN

CHI

NYC

CCS

RIO

– – –
– – –
GMT

LON

PAR

BER

–11.0
–10.0
–09.0

–08.0

–07.0

–06.0

–05.0

–04.0
–03.0
–02.0
–01.0

+00.0

+01.0

Pago Pago
Papeete
Nome
San Francisco, Las Vegas, Vancouver,
Seattle/Tacoma, Dawson City, Tijuana
El Paso, Edmonton, Culiacan
Houston, Dallas/Fort Worth,
New Orleans, Mexico City, Winnipeg
Montreal, Detroit, Miami, Boston,
Panama City, Havana, Lima, Bogota
La Paz, Santiago, Port Of Spain
Sao Paulo, Buenos Aires, Brasilia, Montevideo

Praia
Dublin, Lisbon, Casablanca, Dakar, Abidjan

Milan, Rome, Madrid, Amsterdam, Algiers, Hamburg,
Frankfurt, Vienna, Stockholm

Athens

Cairo

Jerusalem

Jeddah

Tehran

Dubai
Kabul

Karachi

Delhi

Dhaka

Yangon

Bangkok

Hong Kong

Seoul
Tokyo

Adelaide

Sydney

Noumea

Wellington

+02.0

+03.0
+03.5
+04.0
+04.5
+05.0
+05.5
+06.0
+06.5
+07.0

+08.0

+09.0

+09.5
+10.0
+11.0
+12.0

Helsinki, Istanbul, Beirut, Damascus,
Cape Town

Kuwait, Riyadh, Aden, Addis Ababa, Nairobi, Moscow
Shiraz
Abu Dhabi, Muscat

Male
Mumbai, Kolkata, Colombo

Jakarta, Phnom Penh, Hanoi, Vientiane
Singapore, Kuala Lumpur, Beijing, Taipei, Manila, Perth,
Ulaanbaatar
Pyongyang

Darwin
Melbourne, Guam, Rabaul
Port Vila
Christchurch, Nadi, Nauru Island

ATH

CAI

JRS
JED

THR
DXB

KBL

KHI

DEL
DAC

RGN

BKK

HKG

SEL
TYO
ADL

SYD

NOU
WLG

Based on data as of June 2006.

Summary of Contents for COMBIWAVE1

Page 1: ...New Orleans Winnipeg Mexico City NYC New York Detroit Miami Boston Montreal Note that this watch does not have a city code that corresponds to Newfoundland 4 Press A twice to exit the setting screen City code Transmitter indicator The first press of A displays the 12 24 hour setting screen Pressing A again exits the setting screen Important Normally your watch should show the correct time as soon ...

Page 2: ... the Last Signal screen indicated by GET The Last Signal screen shows the date and time of the last successful time calibration signal reception Press D Seconds Last Signal Screen Receive date Receive time Alternate at two second interval Day of week Hour Minutes Seconds Month Day A A Press A Month Day Problem Cannot perform manual receive Auto receive is turned on but the Level 4 receiving indica...

Page 3: ...e flashing between the month and day settings 5 While the month or day setting is flashing use D and B to change it 6 Press A to exit the setting screen DA1 DA2 DA3 DA5 DA4 l l l l l l l l l l l l l l l l l To turn an alert on and off 1 In the Date Alert Mode use D to select the screen for the alert DA1 through DA5 whose alert type you want to select 2 Press A to toggle it on and off Note that the...

Page 4: ...ant is selected press A twice to exit the setting screen Auto DST A DST off OFF DST on ON Analog Timekeeping The analog time of this watch is synchronized with the digital time The analog time setting is adjusted automatically whenever you change the digital time Note The hands for the analog timepiece move to adjust to a new setting whenever any of the following occurs When you change the digital...

Page 5: ...ocks that keep time accurately to within microseconds Leap seconds are added or subtracted as necessary to keep UTC in sync with the Earth s rotation The reference point for UTC is Greenwich England 12 hour 24 hour Timekeeping Formats The 12 hour 24 hour timekeeping format you select in the Timekeeping Mode is also applied in all other modes With the 12 hour format the P PM indicator appears on th...

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