Casio Watch 1890 1 User Manual

Module No. 1890  
1890-1  
GETTING ACQUAINTED  
The measurement functions built into this watch are not intended for  
taking measurements that require professional or industrial precision.  
Values produced by this watch should be considered as reasonable  
representations only.  
Congratulations upon your selection of this CASIO watch. To get the most out  
of your purchase, be sure to carefully read this User’s Guide and keep it on  
hand for later reference when necessary.  
When engaging in mountain climbing or other activities in which losing  
your way can create a dangerous or life-threatening situation, always be  
sure to use a second compass to confirm direction readings.  
CASIO COMPUTER CO., LTD. assumes no responsibility for any loss,  
or any claims by third parties that may arise through the use of this  
watch.  
About this User’s Guide  
Button operations are indicated using the  
letters shown in the illustration.  
Bearing bezel  
Sensor  
Each section of this User’s Guide provides  
you with the information you need to perform  
operations in each mode. Further details  
and technical information can be found in  
the “REFERENCE” section.  
A
B
P
S
D
C
Graphic area  
GENERAL GUIDE  
Press D to change from mode to mode. Each mode is explained on the following pages.  
Timekeeping Mode  
Navigation Mode  
World Time Mode  
A
Press D.  
B
P
P
P
C
P
D
C
Countdown Alarm Mode  
Stopwatch Mode  
Alarm Mode  
A
P
P
Moving the watch to a position that is parallel to the ground and then tilting  
it towards you more than 40 degrees causes the backlight to light.  
BACKLIGHT  
The backlight uses an EL (electro-lumines-  
Auto light switch on indicator  
cent) panel that causes the entire display to  
glow for easy reading in the dark. The watch’s  
auto light switch automatically turns on the  
A
backlight when you angle the watch towards  
your face.  
More  
than  
40°  
Parallel to  
ground  
B
The auto light switch must be turned on  
(indicated by the auto light switch on  
indicator) for it to operate.  
P
D
C
Warning!  
Never try to read your watch when mountain climbing or hiking in  
areas that are dark or in areas with poor footing. Doing so is  
dangerous and can result in serious personal injury.  
Turning on the Backlight manually  
In any mode (except for the World Time Mode), press B to illuminate the  
Never try to read your watch when running where there is danger of  
accidents, especially in locations where there might be vehicular or  
pedestrian traffic. Doing so is dangerous and can result in serious  
personal injury.  
display for about two seconds.  
The above operation turns on the backlight regardless of the current auto  
light switch setting.  
Never try to read your watch when riding on a bicycle or when  
operating a motorcycle or any other motor vehicle. Doing so is  
dangerous and can result in a traffic accident and serious personal  
injury.  
When you are wearing the watch, make sure that its auto light switch  
is turned off before riding on a bicycle or operating a motorcycle or  
any other motor vehicle. Sudden and unintended operation of the auto  
light switch can create a distraction, which can result in a traffic  
accident and serious personal injury.  
About the Auto Light Switch  
Turning on the auto light switch causes the backlight to turn on for about two  
seconds, whenever you position your wrist as described below in any mode.  
See “Backlight Precautions” for other important information about using the  
backlight.  
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1890-3  
NAVIGATION MODE  
WORLD TIME MODE  
GMT differential  
The Navigation Mode provides you with storage for up to five sets of direction  
and temperature data. Each set of data includes direction, temperature, and  
the time the readings were taken.  
The World Time Mode shows you the  
current time and average temperatures  
in 27 cities (29 time zones) around the  
world.  
Mode  
indicator  
For full information on city codes, see  
the “CITY CODE TABLE”.  
Taking Navigation Mode readings  
P
The time settings of the Timekeeping  
Mode and the World Time Mode are  
independent from each other, so you  
must make separate settings for each.  
Whenever you change the time setting  
for any city in the World Time Mode,  
the settings of all other cities are  
changed accordingly.  
1. In the Navigation Mode, use A to select  
the memory area where you want to store  
the data. Each time you press A, the  
selected memory area changes in the  
City Code  
Mode indicator  
GMT  
A
A
following sequence.  
B
B
P
Initial  
Area 1  
Area 4  
Area 2  
Area 3  
P
Screen  
C
D
D
Area 5  
C
C
Timekeeping Mode time  
Time in indicated city  
Area number  
Each memory area is identified by a number  
from 1 through 5. The Initial Screen shows  
the current time without a memory number.  
Navigation Mode data is not stored in  
memory if you perform the following steps  
while the Initial Screen is on the display.  
Selecting a World Time City and Viewing Its Time and  
Temperature Information  
1. In the World Time Mode, press C to  
[Average Temperature Display]  
scroll forward through the city codes  
(time zones) and B to scroll back.  
When you display the screen of a city,  
its time and GMT differential appear  
first. Next, the GMT differential display  
changes to the current Timekeeping  
Mode time.  
2. Place the watch on a flat surface or (if you  
are wearing the watch), make sure that  
your wrist is horizontal (in relation to the  
horizon).  
Direction value  
A
A
D
3. Press C to take a reading.  
B
After about one second, the current  
B
P
temperature, direction pointers, and  
a
C
C
2. Press  
A
to display the average  
direction value appear on the display.  
D
temperature in the displayed city for  
the currently selected month.  
You can repeat steps 1 through 3 as many  
times as you like.  
C
3. Press C to scroll forward through the  
months and B to scroll back.  
C
Average Temperature  
Current time  
Temperature  
No average temperature data is  
shown when G M T or - - - is  
indicated as the city.  
Month  
Magnetic north pointer  
Press A to return to the current time  
screen for the selected city.  
4. Next, you can adjust the rotary direction  
bezel so that the “N” or “L” mark is aligned  
with the magnetic north pointer. This  
correctly aligns all of the markings on the  
bezel.  
S
Setting the World Time  
1. In the World Time Mode, use B and C to  
scroll through the city codes and find the  
one you want.  
2. Hold down A until the DST On/Off setting  
starts to flash on the display.  
The DST On/Off setting is flashing because  
it is selected.  
DST indicator  
C
E
See “Temperature and Direction Reading  
Precautions” and “Digital Compass  
Precautions” for other important information  
about taking direction and temperature  
readings.  
A
N
DST  
P
B
GMT  
3. Press  
D
to move the flashing in the  
Recalling Navigation Mode Data  
sequence shown below to select other  
settings.  
D
While in the Navigation Mode, use A to scroll  
through the data in the following sequence.  
A
C
DST on/off  
Hour  
Minutes  
Initial  
B
Area 1  
Area 4  
Area 2  
Area 3  
Screen  
P
C
While DST setting is selected (flashing), press C to toggle Daylight Saving  
Time on (DST) and off (OFF).  
While hour or minutes is selected (flashing), press C to increase the  
D
Area 5  
C
setting or B to decrease it.  
4. After you set the time, press A to return to the World Time screen.  
Deleting All Navigation Mode Data  
While in the Navigation Mode, hold down A and C for about two seconds,  
until the direction value changes to ---. This indicates all Navigation Mode  
memory data is deleted.  
Daylight Saving Time (DST)  
Daylight Saving Time automatically advances the time setting by one hour  
from Standard Time. You can make individual Daylight Saving Time settings  
for each city code (time zone). Remember that not all countries or even local  
areas use Daylight Saving Time.  
You cannot delete individual memory area contents.  
To switch between Standard Time and Daylight Saving Time  
1. In the World Time Mode, use B and C to display the city code (time  
zone) whose standard time/daylight saving time setting you want to  
change.  
2. Hold down A until the DST On/Off setting starts to flash on the display.  
3. Press C to toggle between Daylight Saving Time (DST) and Standard  
Time (OFF).  
4. After you are finished making the setting you want, press A to return to  
the World Time screen.  
The DST indicator is on the display whenever you display a city code for  
which daylight saving time is turned on.  
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1890-4  
STOPWATCH MODE  
ALARM MODE  
The Stopwatch Mode lets you measure  
Alarm on indicator  
AM indicator  
You can use the Alarm Mode to set three  
independent alarms with hour, minutes, month,  
and day. You can also turn on an Hourly Time  
Signal that causes the watch to beep twice  
every hour on the hour.  
Minutes  
1/100 second  
Hours  
elapsed time, split times, and two finishes.  
The range of the stopwatch is 23 hours, 59  
minutes, 59.99 seconds.  
Alarm No.  
A
A
B
B
A
P
D
D
Seconds  
C
C
Current time  
Hour : Minutes  
Month – Day  
(a) Elapsed time measurement  
C
C
C
C
A
Alarm Types  
Start  
Stop  
Re-start  
Clear  
Stop  
The alarm type is determined by the settings you make, as described below.  
Daily alarm  
Set the hour and minutes for the alarm time. Set x for the month and xx for  
the day (see step 4 under “Setting Alarms”). This type of setting causes the  
alarm to sound everyday at the time you set.  
(b) Split time measurement  
A
C
A
C
A
Start  
Split  
Split release  
Stop  
Clear  
Date alarm  
(c) Split time and 1st-2nd place times  
Set the month, day, hour and minutes for the alarm time. This type of setting  
C
A
C
A
A
causes the alarm to sound at the specific time, on the specific date you set.  
1-Month alarm  
Start  
Split  
First  
runner  
finishes.  
Stop  
Split release Clear  
Set the month, hour and minutes for the alarm time. Set xx for the day (see  
step 4 under “Setting Alarms”). This type of setting causes the alarm to sound  
everyday at the time you set, only during the month you set.  
Second runner finishes. Record time of  
Record time of first  
runner.  
second  
runner.  
Monthly alarm  
Set the day, hour and minutes for the alarm time. Set x for the month (see  
step 4 under “Setting Alarms”). This type of setting causes the alarm to sound  
every month at the time you set, on the day you set.  
COUNTDOWN ALARM MODE  
The countdown timer can be set within a range  
of 1 second to 24 hours. When the countdown  
reaches zero, an alarm sounds.  
Setting Alarms  
1. Press C while in the Alarm Mode to select the alarm whose time you want  
to set.  
1/10 second  
Hours  
Minutes  
You can also select auto-repeat, which  
automatically restarts the countdown from  
the original value you set whenever zero is  
reached.  
Alarm 1  
Alarm 2  
Alarm 3  
Hourly Time Signal  
A
B
2. After you select an alarm, hold down A  
until the hour digits of the alarm time start to  
flash on the display.  
Setting the Countdown Time  
1. In the Countdown Alarm Mode, hold down  
A until the hour digits of the countdown  
time start to flash on the display.  
A
D
P
D
The hour digits are flashing because they  
are selected.  
B
A
C
The hour digits are flashing because they  
are selected.  
This operation automatically turns on the  
alarm.  
Seconds  
Current time  
3. Press  
D
to move the flashing in the  
2. Press D to move the flashing in the sequence shown below to select  
sequence shown below to select other  
digits.  
other settings.  
C
Hours  
Minutes  
Seconds  
Hour  
Minutes  
Month  
Day  
3. While hours, minutes, or seconds digits are selected (flashing), press C to  
increase the setting.  
To set the starting value of the countdown time to 24 hours, set 0:00' 00".  
4. After the countdown time is the way you want it, press A to return to the  
4. While hour, minutes, month, or day is selected (flashing), press C to  
increase the setting or B to decrease it.  
To set an alarm that does not include a month (Daily alarm, Monthly alarm),  
set x for the month. Press B or C until the x mark appears (between 12  
and 1) while the month setting is flashing.  
To set an alarm that does not include day (Daily alarm, 1-Month alarm), set  
xx for the day. Press B or C until the xx mark appears (between 31 and  
1) while the day setting is are flashing.  
countdown alarm display screen.  
Using the Countdown Timer  
Press C while in the Countdown Alarm Mode to start the countdown timer.  
When the end of the countdown is reached and auto-repeat is turned off,  
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 C while a countdown operation is in progress to pause it. Press C  
again to resume the countdown.  
When setting the alarm time using the 12-hour format, take care to set the  
time correctly as morning (A indicator) or afternoon (P indicator).  
5. After the alarm time is the way you want it, press A to return to the alarm  
display screen.  
Alarm Operation  
The alarm sounds at the preset time for about 20 seconds, or until you stop it  
by pressing any button.  
To completely stop a countdown operation, first pause it (by pressing C),  
and then press A. This returns the countdown time to its starting value.  
Turning Auto-repeat On and Off  
To test the alarm  
Hold down C to sound the alarm.  
1. In the Countdown Alarm Mode, hold down  
Graphic area  
A until the hour digits of the countdown  
time start to flash on the display.  
2. Press B to turn auto-repeat on and off.  
A
Turning an Alarm and Hourly Time Signal On and Off  
1. In the Alarm Mode, press C to select an alarm or the Hourly Time Signal.  
2. When the alarm or Hourly Time Signal you want to is selected, press A to  
turn it on and off.  
When you turn on auto-repeat, a pattern of  
bars appear in the graphic area. Turning off  
auto-repeat causes the graphic area to go  
blank.  
B
P
Indicates alarm is ON.  
Indicates Hourly Time Signal is ON.  
3. Press A to return to the countdown alarm  
D
display screen.  
The alarm on indicator (  
are shown on the display in all modes while these functions are turned on.  
If any alarm is on, the Alarm On Indicator is shown on the display when you  
change to another mode.  
) and the Hourly Time Signal on indicator (  
)
C
[Auto-repeat On]  
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1890-5  
Notes  
Auto light switch precautions  
The auto-repeat on and off status indicators in the graphic area are not  
Avoid wearing the watch on the inside of your wrist. Doing so causes the auto  
shown in the countdown alarm display screen. To check whether auto-  
repeat is on or off, perform step 1 of the above procedure to change to the  
setting screen. Then you can check the status of the graphic area to see if  
auto-repeat is on or off. After you are finished, press A to return to the  
countdown alarm display screen.  
light switch to operate when it is not needed, which shortens battery life.  
The backlight turns off in about two seconds, even if you keep the watch  
pointed towards your face.  
The backlight may not light if the face of the watch is more than 15 degrees  
off the parallel as shown below. Make sure that the back of your hand is  
parallel to the ground.  
When the end of the countdown is reached and auto-repeat is turned on,  
the alarm sounds, but the countdown starts again automatically whenever  
the countdown reaches zero. You can stop timing by pressing C, and  
manually reset to the starting countdown time by pressing A.  
Normally, an alarm tone sounds for 10 seconds when the end of the  
countdown is reached. If you use auto-repeat with start time of 10 seconds  
or less, the alarm tone sounds for only one second.  
More than 15  
degrees too low  
Parallel to ground  
More than 15  
degrees too high  
REFERENCE  
Static electricity or magnetic force can interfere with proper operation of the  
auto light switch. If the backlight does not light, try moving the watch back to  
the starting position (parallel with the ground) and then tilt it back toward  
you again. If this does not work, drop your arm all the way down so it hangs  
at your side, and then bring it back up again.  
Under certain conditions the backlight may not light until about one second  
or less after turn the face of the watch towards you. This does not  
necessarily indicate malfunction of the backlight.  
This section contains more detailed and technical information about watch  
operation. It also contains important precautions and notes about the various  
features and functions of this watch.  
Warning Indicators  
Warning indicators appear whenever any of the conditions described below  
occur. Appearance of a warning indicator causes any measurement opera-  
tion that is currently underway to stop. Warning indicators appear in the  
upper display, and this causes --- to replace any direction or temperature  
values on the display.  
There may be cause where the ERR or BAT message is cleared once  
you change modes. In this case, you can continue using the watch normally  
unless the error warning message reappears.  
World Time Mode  
The seconds count of the World Time is synchronized with the seconds  
sound of the Timekeeping Mode.  
GMT differential is calculated by this watch based on Universal Time  
Coordinated (UTC) data.  
Average monthly temperature values displayed by this watch are based on  
the “WORLD CLIMATE TABLE” published by the Japanese government’s  
Meteorological Agency.  
Whenever there is a sensor malfunction, be sure to take the watch to an  
authorized CASIO distributor or service center as soon as possible.  
Abnormal Magnetic Field Indicator  
This indicator appears whenever the watch has a problem  
Temperature and Direction Reading Precautions  
obtaining a correct direction reading. This condition could  
indicate that the watch is within a very high magnetic field,  
and so you should try moving to another location. Also, see  
“Digital Compass Precautions” for further information on  
conditions that cause errors.  
The direction and temperature reading operation is automatically  
interrupted whenever an alarm or Hourly Time Signal sounds. If this  
happens, start the reading operation again from the beginning.  
Taking a direction reading while the watch is not horizontal (in relation to the  
horizon) can result in large error.  
If the Navigation Mode memory area you select to store a reading already  
contains data, the data of the new reading replaces the existing data.  
Low Battery Indicator  
This message indicates that batteries power is too low to  
perform the measurement. It appears whenever batteries  
power drops below a certain level, or when you try to use  
Digital Compass Precautions  
this watch under very cold conditions (below about –10°C).  
This watch features a built-in magnetic bearing sensor that detects terrestrial  
magnetism. This means that north indicated by this watch is magnetic north,  
which is somewhat different from true polar north. The magnetic north pole is  
located in northern Canada, while the magnetic south pole is in southern  
Australia. Note that the difference between magnetic north and true north as  
measured with all magnetic compasses tends to be greater as one gets  
closer to either of the magnetic poles. You should also remember that some  
maps indicate true north (instead of magnetic north), and so you should make  
allowances when using such maps with this watch.  
If the BAT message appears because of use under cold conditions, it  
should clear (and normal operation should return) after the watch is brought  
back to normal temperature.  
If batteries power is low (indicated BAT appears under normal tempera-  
tures), you should have the batteries replaced as soon as possible. Note that  
replacement of the batteries causes all memory contents to be cleared.  
Sensor Malfunction Indicator  
This message indicates malfunction of sensor circuitry.  
Whenever a sensor malfunction initially occurs, the ERR  
messages flashes on the display. Note that calibrating the  
Digital Compass may cause the ERR message to appear.  
In this case, the message does not indicate sensor malfunc-  
tion, and should be corrected if you re-calibrate the Digital  
Compass.  
Direction Values  
The direction values displayed by this watch  
represent the clockwise angle formed between  
magnetic north (which is 0 degrees) and the  
direction that the 12 o’clock position of the  
watch is pointing.  
Magnetic North  
12 o’clock  
direction  
Direction  
Value  
Auto Return Operations  
Location  
Taking a direction reading when you are near a source of strong magnetism  
can cause large errors in readings. Because of this, you should avoid taking  
direction readings while in the vicinity of the following types of objects:  
permanent magnets (magnetic necklaces, etc.), concentrations of metal  
(metal doors, lockers, etc.), high tension wires, aerial wires, household  
appliances (TVs, personal computers, washing machines, freezers, etc.).  
Accurate direction readings are impossible while in a train, boat, airplane,  
etc.  
After you perform an operation in any mode, pressing D returns to the  
Timekeeping Mode.  
If you leave a screen with flashing digits on the display for two or three  
minutes without performing any operation, the watch automatically saves  
anything you have input up to that point and exits the setting screen.  
Data and Setting Scrolling  
The B and C buttons are used in various modes and 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 speed.  
Accurate readings are also impossible indoors, especially inside ferro-  
concrete structures. This is because the metal framework of such structures  
picks up magnetism from appliances, etc.  
Storage  
The precision of the bearing sensor may deteriorate if the watch becomes  
12-hour/24-hour Timekeeping Formats  
The 12-hour/24-hour timekeeping format you select in the Timekeeping  
Mode is also applied in the Navigation, World Time, and Alarm Modes.  
magnetized. Because of this, you should be sure to store the watch away  
from magnets or any other sources of strong magnetism, including:  
permanent magnets (magnetic necklaces, etc.) and household appliances  
(TVs, personal computers, washing machines, freezers, etc.)  
Whenever you suspect that the watch may have become magnetized,  
perform one of the calibration procedures under “Calibrating the Bearing  
Sensor” below.  
Backlight Precautions  
The electro-luminescent panel loses illuminating power after very long use.  
The illumination provided by the backlight may be hard to see when viewed  
under direct sunlight.  
The watch will emit an audible sound whenever the display is illuminated.  
This is caused by a transformer that vibrates when the EL panel lights up. It  
does not indicate malfunction of the watch.  
The backlight automatically turns off whenever an alarm sounds.  
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1890-6  
Question: What causes different direction readings to produce differ-  
Calibrating the Bearing Sensor  
Whenever you suspect that direction readings produced by the watch are  
wrong, you should calibrate it. You can use either one of two calibration  
procedures: bidirectional calibration or northerly calibration.  
Use bidirectional calibration when you want to take readings within an area  
exposed to magnetic force. This type of calibration should be used if the  
watch become magnetized for any reason.  
ent results at the same location?  
Answer: Magnetism generated by nearby high-tension wires are interfer-  
ing with detection of terrestrial magnetism. Move away from the  
high-tension wires and try again.  
Question: What does it mean when --- appears in place of a direction  
value?  
With northerly calibration, you “teach” the watch which way is north (which  
you have to determine with another compass or some other means). You  
could use this calibration procedure, for example, to set the watch to indicate  
true north instead of magnetic north.  
Answer: This is the abnormal magnetic field indicator. It means that strong  
magnetism is being generated nearby. Move away from the source  
of strong magnetism and try again.  
Question: Why am I having problems taking direction readings indoors?  
Answer: A TV, personal computer, speakers, or some other object is  
interfering with terrestrial magnetism readings. Move away from  
the object causing the interference or take the direction reading  
outdoors. Indoor taking direction readings are particularly difficult  
inside ferro-concrete structures. Remember that you will not be  
able to take direction readings inside of trains, airplanes, etc.  
Important!  
If you want to perform both bidirectional and northerly calibration, be sure to  
perform bidirectional calibration first, and then perform northerly calibration.  
This is necessary because bidirectional calibration cancels any previously  
set northerly calibration setting.  
The more correctly you perform bidirectional calibration, the better the  
accuracy of the bearing sensor readouts. You should perform bidirectional  
calibration whenever you change environments where you use the bearing  
sensor, and whenever you feel that the bearing sensor is producing  
incorrect readings.  
CITY CODE TABLE  
GMT  
To perform bidirectional calibration  
1. While in the Navigation Mode, hold down  
City Code  
City  
Other major cities in same time zone  
Differential  
– – –  
HNL  
ANC  
LAX  
–11  
–10  
–09  
–08  
PAGO PAGO  
PAPEETE  
NOME  
A until the upper display changes to show  
-1-.  
HONOLULU  
ANCHORAGE  
LOS ANGELES  
A
At this time, the magnetic north pointer  
flashes at the 12 o’clock position to indicate  
that the watch is ready to calibrate the first  
direction.  
SAN FRANCISCO, LAS VEGAS,  
VANCOUVER, SEATTLE, DAWSON CITY  
EL PASO, EDMONTON  
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  
B
DEN  
CHI  
DENVER  
CHICAGO  
–07  
–06  
2. Place the watch on a level surface facing  
any direction you want, and press C to  
calibrate the first direction.  
D
NYC  
NEW YORK  
–05  
C
CCS  
RIO  
CARACAS  
RIO DE JANEIRO  
–04  
–03  
When the calibration procedure is complete, the message OK appears in  
the upper display. This soon changes to -2- and the magnetic north  
pointer flashes at the 6 o’clock position to indicate that the watch is ready  
for the second direction.  
– – –  
– – –  
GMT  
LON  
PAR  
–02  
–01  
+00  
PRAIA  
3. Rotate the watch 180 degrees.  
4. Press C again to calibrate the second direction.  
DUBLIN, LISBON, CASABLANCA,  
DAKAR, ABIDJAN  
LONDON  
PARIS  
When the calibration procedure is complete, the message OK appears in  
the upper display. After a short while, the watch automatically returns to the  
Navigation Mode’s initial screen.  
+01  
MILAN, ROME, MADRID, AMSTERDAM,  
ALGIERS, HAMBURG, FRANKFURT,  
VIENNA, STOCKHOLM, BERLIN  
ATHENS, HELSINKI, ISTANBUL,  
BEIRUT, DAMASCUS, CAPE TOWN  
KUWAIT, RIYADH, ADEN, ADDIS  
ABABA, NAIROBI  
CAI  
JRS  
JED  
CAIRO  
JERUSALEM  
JEDDAH  
+02  
+03  
Precautions about bidirectional calibration  
You can use any two opposing directions for bidirectional calibration. You  
must, however, make sure that they are 180 degrees opposite each other.  
Remember that if you perform the procedure incorrectly, you will get wrong  
bearing sensor readings.  
THR  
MRU  
KBL  
KHI  
DEL  
DAC  
RGN  
BKK  
TEHRAN  
MAURITIUS  
KABUL  
KARACHI  
DELHI  
DHAKA  
YANGON  
BANGKOK  
+3.5  
+04  
+4.5  
+05  
+5.5  
+06  
+6.5  
+07  
SHIRAZ  
DUBAI, ABU DHABI, MUSCAT  
Do not move the watch during the one or two seconds (from the point you  
press C up to the point that OK appears in the upper display) that the  
calibration of each direction is in progress. If you do, the message ERR  
appears in the upper display, which means you have to restart the  
bidirectional calibration procedure from the beginning.  
MUMBAI, CALCUTTA  
COLOMBO  
JAKARTA, PHNOM PENH, HANOI,  
VIENTIANE  
SINGAPORE, KUALA LUMPUR, BEIJING,  
TAIPEI, MANILA, PERTH, ULAANBAATAR  
SEOUL, PYONGYANG  
DARWIN  
MELBOURNE, GUAM, RABAUL  
PORT VILA  
The appearance of ERR during bidirectional calibration can also be  
caused by local interference. If you suspect that this is the case, move to  
another location and try the procedure again.  
You should perform bidirectional calibration in an environment that is the  
same as that where you plan to be taking direction readings. If you plan to  
use it in an open field, for example, calibrate in an open field.  
HKG  
HONG KONG  
+08  
TYO  
ADL  
SYD  
NOU  
WLG  
TOKYO  
ADELAIDE  
SYDNEY  
NOUMEA  
WELLINGTON  
+09  
+9.5  
+10  
+11  
+12  
To perform northerly calibration  
1. While in the Navigation Mode, hold down  
CHRISTCHURCH, NADI, NAURU ISLAND  
Based on data as of June 1998.  
A until the upper display changes to show  
-1-.  
A
*
2. Press D to start the northerly calibration  
procedure.  
B
At this time, the indicator 0° appears in the  
upper display.  
3. Place the watch on a level surface, and  
position it so that its 12 o’clock position  
points north (as measured with another  
compass).  
D
C
4. Press C to start the calibration operation.  
When the calibration procedure is complete, the message OK appears in  
the upper display. After a short while, the watch automatically returns to the  
Navigation Mode’s initial screen.  
Questions & Answers About Direction Readings  
Question: What causes incorrect direction readings?  
Answer:  
Incorrect bidirectional calibration. Perform bidirectional calibration.  
Remember that bidirectional calibration is required whenever batteries are  
replaced.  
Nearby source of strong magnetism, such as a household appliance, a  
large steel bridge, a steel beam, overhead wires, etc., or an attempt to  
perform direction measurement on a train, boat, etc. Move away from large  
metal objects and try again. Note that digital compass operation cannot be  
performed inside a train, boat, etc.  
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1890-7  
WORLD CLIMATE TABLE  
(Unit: °C)  
10 11 12  
Month  
1
2
3
4
5
6
7
8
9
City Code  
15  
25  
22  
20  
8
18  
26  
25  
20  
16  
16 17 15  
26 26 25  
23 23 21  
22 22 20  
13 11 10  
9
9
10 12 13  
WLG  
NOU  
SYD  
ADL  
TYO  
HKG  
BKK  
RGN  
DAC  
DEL  
KHI  
24 22 21 20 20 21 22 23  
19 16 13 12 13 16 18 20  
17 14 12 11 12 13 16 18  
14 19 22 25 27 23 18 13  
22 26 28 29 28 28 25 21  
31 30 29 29 29 28 28 27  
30 29 27 27 27 27 28 27  
28 29 29 29 29 29 28 24  
29 32 34 31 30 29 26 21  
5
6
9
16 16 19  
27 28 29  
25 26 29  
18 22 26  
14 17 22  
24 20  
18 21 25 28 31 31 30 29 29 28  
7
1
KBL  
MRU  
THR  
JED  
JRS  
CAI  
PAR  
LON  
RIO  
CCS  
NYC  
CHI  
DEN  
LAX  
–2  
26 26 26 25 23 22 21 21 21 22  
10 16 22 27 30 29 25 19  
23 23 26 28 29 31 32 32 31 29  
0
7
13 18 23 25 24 20 14  
24 25  
11  
27 25  
6
3
6
10  
15  
4
8
9
12  
16 19 22 23 23 22 20 15  
22 25 28 28 28 27 24 19  
14 15 18  
4
4
4
4
7
6
10 13 16 18 18 15 11  
11 14 17 16 14 11  
7
7
5
8
25  
25  
3
–2  
–1  
14  
26 27 26  
24 25 25  
25 23 22 21 22 22 23 24  
26 27 27 27 27 28 27 27  
0
1
5
3
4
11 17 22 25 24 20 14  
9
5
4
–6 –3  
–1  
9
9
16 21 24 23 19 12  
14 19 23 22 17 11  
1
14 15 15  
16 18 20 23 24 23 21 17  
–6 –9  
25 23  
ANC –10 –7 –4  
HNL  
2
8
13 15 13  
9
1
23 23 24 24 25 26 27 28 27 27  
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