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E-96

■ 

“ERR” appears on the display while I am using a sensor.

Subjecting the watch to strong impact can cause sensor malfunction or improper contact of internal 
circuitry. When this happens, 

ERR

 (error) will appear on the display and sensor operations will be disabled.

Digital

Compass

Reading

Barometric

Pressure/Temperature

Reading

Altitude

Reading

 If 

ERR

 appears while a reading operation is being performed in a sensor mode, restart the operation. If 

ERR

 appears on the display again, it can mean there is something wrong with the sensor.

 Even if battery power is at Level 1 (

H

) or Level 2 (

M

), the Digital Compass Mode, Barometer/

Thermometer Mode, or Altimeter Mode sensor may be disabled if there is not enough voltage available 
to power it suffi ciently. In this case, 

ERR

 will appear on the display. This does not indicate malfunction, 

and sensor operation should resume once battery voltage returns to its normal level.

 If 

ERR

 keeps appearing during a reading operation, it could mean there is a problem with the 

applicable sensor.

E-97

■ 

ERR appears on the display after I perform bidirectional calibration.

If

- - -

 appears and then changes to 

ERR

 (error) on the calibration screen, it means that there is something 

wrong with the sensor.

 If 

ERR

 disappears after about one second, try performing the calibration again.

 If 

ERR

 keeps appearing, contact your original dealer or nearest authorized CASIO distributor to have 

the watch checked.

Whenever you have a sensor malfunction, take the watch to your original dealer or nearest authorized 
CASIO distributor as soon as possible.

■ 

What causes incorrect direction readings?

 Incorrect bidirectional calibration. Perform bidirectional calibration (page E-30).

 Nearby source of strong magnetism, such as a household appliance, a large steel bridge, a steel 

beam, overhead wires, etc., or an attempt to take direction readings 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.

■ 

What causes different direction readings to produce different results at the same location?

Magnetism generated by nearby high-tension wires is interfering with detection of terrestrial magnetism. 
Move away from the high-tension wires and try again.

■ 

Why am I having problems taking direction readings indoors?

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 direction readings are particularly diffi cult inside ferro-concrete structures. Remember that you will 
not be able to take direction readings inside of trains, airplanes, etc.

E-98

■ 

The barometric pressure differential pointer does not appear on the display when I enter the 

Barometer/Thermometer Mode.

 This could indicate sensor error. Try pressing 

B

 again.

 The barometric pressure differential pointer is not displayed when the displayed current barometric 

value is outside of the allowable measurement range (260 to 1,100 hPa).

■ 

Correct altitude readings are not possible.

Relative altitude is calculated based on changes in barometric pressure measurement by its pressure 
sensor. To minimize the chance of reading error due to changes in barometric pressure, you should 
update the reference altitude value before setting off on a trek or any other activity where you plan to take 
altitude readings. For more information, see “To specify a reference altitude value” (page E-56).

World Time Mode

■ 

The time for my World Time City is off in the World Time Mode.

This could be due to incorrect switching between standard time and daylight saving time. See “To specify 
standard time or daylight saving time (DST) for a city” (page E-88) for more information.

Charging

■ 

The watch does not resume operation after I expose it to light.

This can happen after the power level drops to Level 5 (page E-11). Continue exposing the watch to light 
until the battery power indicator shows “

H

” or “

M

”.

E-99

Specifi cations

Accuracy at normal temperature:

 ±15 seconds a month

Timekeeping:

Hour, minutes, seconds, p.m. (P), year, month, day, day of the week

Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Three display formats (day of the week/day screen, month/day screen, barometric pressure 

graph screen); Home City code (can be assigned one of 48 city codes); Standard Time / Daylight 
Saving Time (summer time)
Year display on setting screen only.

Digital Compass:

60 seconds continuous reading; 16 directions; Angle value 0° to 359°; Four direction 

pointers; Calibration (bidirectional); Magnetic declination correction; Bearing Memory

Barometer:

Measurement and display range:
 

260 to 1,100 hPa (or 7.65 to 32.45 inHg)

Display unit: 1 hPa (or 0.05 inHg)
Reading timing: Daily from midnight, at two hour intervals (12 times per day); Every fi ve seconds in 

the Barometer/Thermometer Mode

Other: Calibration; Manual reading (button operation); Barometric pressure graph; Barometric 

pressure differential pointer; Barometric pressure change indicator

Thermometer:

Measurement and display range: –10.0 to 60.0°C (or 14.0 to 140.0°F)
Display unit: 0.1°C (or 0.2°F)
Reading timing: Every fi ve seconds in the Barometer/Thermometer Mode
Other: Calibration; Manual reading (button operation)

E-100

Altimeter:

Measurement range: –700 to 10,000 m (or –2,300 to 32,800 ft.) without reference altitude
Display range: –10,000 to 10,000 m (or –32,800 to 32,800 ft.)

 

Negative values can be caused by readings produced based on a reference altitude or due to 
atmospheric conditions.

Display unit: 1 m (or 5 ft.)
Current Altitude Data: Every second for the fi rst 3 minutes, followed by every 5 seconds for 

approximately 1 hour (

0’05

); every second for the fi rst 3 minutes, followed by every 2 minutes for 

approximately 12 hours (

2’00

)

Altitude Memory Data:

Manually saved records: 30 (altitude, date, time)
Auto saved values: One set of high altitude and its reading date and time, low altitude and its 

reading date and time, total ascent and its save start date and time, total descent and its save 
start date and time

Trek log data: High altitude, low altitude, cumulative ascent, cumulative descent for up to 14 treks

Other: Reference altitude setting; Altitude differential; Altitude auto measurement interval (

0’05

 or 

2’00

)

Bearing Sensor Precision:

Direction: Within ±10°

 

Values are guaranteed for a temperature range of –10°C to 60°C (14°F to 140°F).

North pointer: Within ±2 digital segments

Pressure Sensor Precision:

Measurement accuracy: Within ±3hPa (0.1 inHg) (Altimeter accuracy: Within ± 75m (246 ft.))

 Values are guaranteed for a temperature range of –10°C to 40°C (14°F to 104°F).

 Precision is lessened by strong impact to either the watch or the sensor, and by temperature 

extremes.

E-101

Temperature Sensor Precision:

±2°C (±3.6°F) in range of –10°C to 60°C (14.0°F to 140.0°F)

Sunrise/sunset:

Sunrise/sunset time display; selectable date

Stopwatch:

Measuring unit: 1/10 second
Measuring capacity: 999:59' 59.9"
Measuring accuracy: ±0.0006%
Measuring modes: Elapsed time, split time, two fi nishes

Countdown Timer:

Measuring unit: 1 second
Countdown range: 24 hours
Setting unit: 1 minute

Alarms:

 5 Daily alarms (four one-time alarms; one snooze alarm); Hourly time signal

World Time:

 48 cities (31 time zones)

Other: Daylight Saving Time/Standard Time

Illumination:

 LED light; Selectable illumination duration (approximately 1.5 seconds or 3 seconds); Auto 

Light Switch (Full Auto Light operates only in the dark)

Other:

 Battery power indicator; Power Saving; Low-temperature resistance (–10°C/14°F); Button 

operation tone on/off

E-102

Power Supply:

 Solar panel and one rechargeable battery

Approximate battery operating time: 8 months (from full charge to Level 4) under the following 

conditions:

 Light: 1.5 seconds/day

 Beeper: 10 seconds/day

 Direction readings: 20 times/month

 Climbs: Once (approximately 1 hour of altitude readings)/month 

 Barometric pressure change indicator readings: Approximately 24 hours/month

 Barometric pressure graph: Readings every 2 hours

 Display: 18 hours/day

Frequent use of illumination runs down the battery. Particular care is required when using the auto 
light switch (page E-92).

L-1

Operation Guide 3443

Summary of Contents for 3443

Page 1: ...the Home City and the daylight saving time DST setting Use the procedure under To configure Home City and summer time settings page E 20 to configure your Home City and daylight saving time settings Important World Time Mode and Sunrise Sunset Mode data depend on correct Home City time and date settings in the Timekeeping Mode Make sure you configure these settings correctly 3 Set the current time Se...

Page 2: ...ime signal and sensor operations will be disabled until battery power recovers Battery power will recover in about 15 minutes At this time the battery power indicators H M L will stop flashing This indicates that the functions listed above are enabled again If all of the battery power indicators H M L are flashing and the CHG charge indicator also is flashing it means the battery level is very low Ex...

Page 3: ...and CITY will be displayed in the upper display After that the currently selected city code and city name will scroll across the upper display Keep E depressed until the scrolling starts The watch will exit the setting mode automatically if you do not perform any operation for about two or three minutes For details about city codes see the City Code Table at the back of this manual 2 Use A East an...

Page 4: ...the indicated direction is northwest NW and 315 degrees for example the actual direction can be anywhere from 304 to 326 degrees Note that taking a direction reading while the watch is not horizontal in relation to the horizon can result in large direction reading error You can calibrate the bearing sensor if you suspect the direction reading is incorrect Any ongoing direction reading operation is...

Page 5: ...he map so the direction you want to travel on the map is pointed straight in front of you 4 While in the Timekeeping Mode or in any of the sensor modes press C to take a compass reading The reading will appear on the display after about one second 5 Still holding the map in front of you turn your body until north as indicated by the watch and the northerly direction on the map are aligned This wil...

Page 6: ...nt reading The vertical axis of the graph represents barometric pressure with each dot standing for the relative difference between its reading and that of the dots next to it Each dot represents 1 hPa The following shows how to interpret the data that appears on the barometric pressure graph Rising barometric pressure indicates that upcoming weather will improve Falling barometric pressure indica...

Page 7: ...ment reading interval one second five seconds or two minutes on the horizontal axis page E 53 To take readings of the difference between the altitude at your current location and the altitude at a reference point select Screen 2 See Using an Altitude Differential Value page E 57 for more information To select the altitude screen format 1 In the Altimeter Mode hold down E for at least two seconds SE...

Page 8: ...memory to store up to 30 manually saved records which are numbered from REC 1 through REC 30 To save a reading manually 1 In the Altimeter Mode check to make sure that an altitude reading is on the display If an altitude reading is not displayed press A to take one See To take altitude readings page E 55 for details 2 Hold down A First REC Hold will flash on the display After that REC and the curre...

Page 9: ...re is the chance of sudden altitude changes Do not use this watch for measuring altitude in applications that demand professional or industrial level precision Remember that the air inside of a commercial aircraft is pressurized Because of this the readings produced by this watch will not match the altitude readings announced or indicated by the flight crew 400 A B 400 A B E 67 Precautions Concerni...

Page 10: ...n is City Code TYO Tokyo Latitude North 35 7 degrees Longitude East 139 7 degrees Current date Sunrise time Sunset time Current date Sunrise time Sunset time E 76 To view the sunrise sunset time for a particular date 1 Enter the Sunrise Sunset Mode This will display the sunrise and sunset times for the current date at the location specified by the city code latitude and longitude 2 While the sunris...

Page 11: ...About one second after ALM appears on the display the display will change to show an alarm name AL 1 to AL 4 or SNZ or the SIG indicator The alarm name indicates an alarm screen SIG is shown when the Hourly Time Signal screen is on the display When you enter the Alarm Mode the data you were viewing when you last exited the mode appears first Alarm name AL or SIG Alarm time Hour Minutes Current time...

Page 12: ... off In the Timekeeping Mode hold down L for at least three seconds to toggle the auto light switch on LT displayed and off LT not displayed The auto light switch on indicator LT is on the display in all modes while the auto light switch is turned on The auto light switch turns off automatically whenever battery power drops to Level 4 page E 11 Auto light switch on indicator Auto light switch on i...

Page 13: ...r shows H or M E 99 Specifications Accuracy at normal temperature 15 seconds a month Timekeeping Hour minutes seconds p m P year month day day of the week Time format 12 hour and 24 hour Calendar system Full Auto calendar pre programmed from the year 2000 to 2099 Other Three display formats day of the week day screen month day screen barometric pressure graph screen Home City code can be assigned o...

Page 14: ...e BER Berlin STO Stockholm ATH Athens 2 CAI Cairo JRS Jerusalem MOW Moscow 3 JED Jeddah THR Tehran 3 5 DXB Dubai 4 KBL Kabul 4 5 KHI Karachi 5 L 3 City Code City UTC Offset GMT Differential DEL Delhi 5 5 KTM Kathmandu 5 75 DAC Dhaka 6 RGN Yangon 6 5 BKK Bangkok 7 SIN Singapore 8 HKG Hong Kong BJS Beijing TPE Taipei SEL Seoul 9 TYO Tokyo ADL Adelaide 9 5 GUM Guam 10 SYD Sydney NOU Noumea 11 WLG Wel...

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