Operation Guide 3258
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 | Barometric | Altitude |
| Compass | Pressure/Temperature | Measurement |
Measurement | Measurement |
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•If ERR appears while a measurement operation is being performed in a sensor mode, restart the measurement. 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 sufficiently. 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 measurement, it could mean there is a problem with the applicable sensor.
■ERR appears on the display after I perform bidirectional calibration or northerly 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.
■ERR appears on the display after I perform northerly calibration.The ERR message indicates there may be some problem with the sensor. The ERR message also may be due to movement of the watch while the calibration procedure is being performed. Try performing calibration again, taking care to ensure that the watch is not moved.
If this does not solve the problem, the problem may be due to some nearby source of terrestrial magnetism. Try performing the calibration procedure again from the beginning.
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
•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.
■What causes different direction readings to produce different results at the same location? Magnetism generated by nearby
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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 difficult inside
■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).
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
This can happen after the power level drops to Level 5 (page
■The display shows the ERR indicator when I check the result of the latest receive operation.
| Possible Cause | Remedy | Page | |
• You are wearing or moving the |
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watch, or performing a button |
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operation during the signal | Keep the watch in an area where reception conditions are good | ||
receive operation. | while the signal receive operation is performed. | ||
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• The watch is in an area with |
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poor reception conditions. |
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You are in an area where signal |
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reception is not possible for | See “Approximate Reception Ranges”. | ||
some reason. |
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The calibration signal is not | • Check the website of the organization that maintains the time |
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being transmitted for some | calibration signal in your area for information about its down times. | – | |
reason. | • Try again later. |
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You may have the watch configured for Auto Receive of the time calibration signal (page
The information in this section applies only when LIS, LON, MAD, PAR, ROM, BER, STO, ATH, MOW, HKG, BJS, HNL, ANC, YVR, LAX, YEA, DEN, MEX, CHI, NYC, YHZ, YYT, TPE, SEL, or TYO is selected as the Home City. You need to adjust the current time manually when any other city is selected as the Home City.
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■The current time setting is off by one hour.
Possible Cause | Remedy | Page | |
Signal reception on a day for | Perform the operation under “To get ready for a receive operation”. |
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The time setting will be adjusted automatically as soon as signal | |||
switching between standard | reception is successful. |
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time/daylight saving time (DST) |
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If you are unable to receive the time calibration signal, change the |
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may have failed for some reason. | |||
| standard time/daylight saving time (DST) setting manually. | ||
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| ■ Auto Receive is not performed or you cannot perform Manual Receive. |
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Possible Cause | Remedy | Page | |
The watch is not in the | Auto receive is performed only while the watch is in the Timekeeping |
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Timekeeping Mode or World | |||
Mode or World Time Mode. Switch to either of these two modes. | |||
Time Mode. |
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Your Home City setting is wrong. | Check your Home City setting and correct it, if necessary. | ||
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There is not enough power for | Expose the watch to light to charge it. | ||
signal reception. | |||
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■ Signal reception is being performed successfully, but the time and/or day is wrong. |
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Possible Cause | Remedy | Page | |
Your Home City setting is wrong. | Check your Home City setting and correct it, if necessary. | ||
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The DST setting may be | Change the DST setting to Auto DST. | ||
incorrect. | |||
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Specifications
Accuracy at normal temperature: ±15 seconds a month (with no signal calibration)
Timekeeping: Hour, minutes, seconds, p.m. (P), year, month, day, day of the week Time format:
Calendar system: Full
Other: Two display formats (year screen, Tide Graph screen); Home City code (can be assigned one of 48 city codes); Standard Time / Daylight Saving Time (summer time)
Time Calibration Signal Reception: Auto receive 6 times a day (5 times a day for the Chinese calibration signal) ; Remaining auto receives cancelled as soon as one is successful; Manual receive; Receive Mode
Receivable Time Calibration Signals: Mainflingen, Germany (Call Sign: DCF77, Frequency: 77.5 kHz); Anthorn, England (Call Sign: MSF, Frequency: 60.0 kHz); Fort Collins, Colorado, the United States (Call Sign: WWVB, Frequency: 60.0 kHz); Fukushima, Japan (Call Sign: JJY, Frequency: 40.0 kHz); Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz) ; Shangqiu City, Henan Province, China (Call Sign: BPC, Frequency: 68.5 kHz)
Digital Compass: 20 seconds continuous measurement; 16 directions; Angle value 0° to 359°; Four direction pointers; Calibration (bidirectional, northerly); 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)
Measurement timing: Daily from midnight, at two hour intervals (12 times per day); Every five seconds in the Barometer/Thermometer Mode
Other: Calibration; Manual measurement (button operation); Barometric pressure graph; Barometric pressure differential pointer; Barometric pressure change indicator
Measurement and display range:
Display unit: 0.1°C (or 0.2°F)
Measurement timing: Every five seconds in the Barometer/Thermometer Mode
Other: Calibration; Manual measurement (button operation)
Altimeter:Measurement range:
Display range:
Negative values can be caused by readings produced based on a reference altitude or due to atmospheric conditions.
Display unit: 5 m (or 20 ft.)
Current Altitude Data:
Altitude Memory Data:
Manually saved records: 14 (altitude, date, time)
Auto saved values: Two sets (memory areas) each of high altitude and its measurement date and time, low altitude and its measurement date and time, total ascent and its save start date and time, total descent and its save start date and time
Other: Reference altitude setting; Altitude differential; Altitude auto measurement method (0’05 or 2’00)
Bearing Sensor Precision:Direction: Within ±10°
Values are guaranteed for a temperature range of
| Conditions (Altitude) | Altimeter | Barometer | |
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| ± (altitude differential × 2% |
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| 0 to 6000 m | + 15 m) m |
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| 0 to 19680 ft. | ± (altitude differential × 2% | ± (pressure differential × 2% | |
| Fixed |
| + 50 ft.) ft. | + 2 hPa) hPa | |
| temperature |
| ± (altitude differential × 2% | ± (pressure differential × 2% | |
| 6000 to 10000 m | + 25 m) m | + 0.059 inHg) inHg | |
| 19680 to 32800 ft. | ± (altitude differential × 2% |
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| + 90 ft.) ft. |
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| Effect of | 0 to 6000 m | ± 50 m every 10°C |
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0 to 19680 ft. | ± 170 ft. every 50°F | ± 5 hPa every 10°C | ||
| variable |
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| ± 0.148 inHg every 50°F | |
6000 to 10000 m | ± 70 m every 10°C | |||
temperature | ||||
| 19680 to 32800 ft. | ± 230 ft. every 50°F |
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•Values are guaranteed for a temperature range of
•Precision is lessened by strong impact to either the watch or the sensor, and by temperature extremes.
Temperature Sensor Precision:±2°C (±3.6°F) in range of
Tide/Moon Data: Moon phase indicator for specific date; Moon age; Tide level for specific date and time Other: High tide time adjustment; Moon phase reversal
Alarms: 5 Daily alarms; Hourly time signal
Stopwatch:Measuring unit: 1/100 second
Measuring capacity: 23:59' 59.99"
Measuring modes: Elapsed time, split time, two finishes