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E-111
Band
•
Tightening the band too tightly can cause you to sweat and make it difficult for air to pass under the
band, which can lead to skin irritation. Do not fasten the band too tightly. There should be enough room
between the band and your wrist so you can insert your finger.
•
Deterioration, rust, and other conditions can cause the band to break or come off of your watch, which in
turn can cause band pins to fly out of position or to fall out. This creates the risk of your watch falling
from your wrist and becoming lost, and also creates the risk of personal injury. Always take good care of
your band and keep it clean.
•
Immediately stop using a band if you even notice any of the following: loss of band flexibility, band
cracks, band discoloration, band looseness, band connecting pin flying or falling out, or any other
abnormality. Take your watch to your original retailer or to a CASIO service center for inspection and
repair (for which you will be charged) or to have the band replaced (for which you will be charged).
Temperature
•
Never leave your watch on the dashboard of a car, near a heater, or in any other location that is subject
to very high temperatures. Do not leave your watch where it will be exposed to very low temperatures.
Temperature extremes can cause your watch to lose or gain time, to stop, or otherwise malfunction.
•
Leaving your watch in an area hotter than +60°C (140°F) for long periods can lead to problems with its
LCD. The LCD may become difficult to read at temperatures lower than 0°C (32°F) and greater than
+40°C (104°F).
E-110
•
Even if a watch is water resistant, note the usage precautions described below. Such types of use
reduce water resistance performance and can cause fogging of the glass.
− Do not operate the crown or buttons while your watch is submersed in water or wet.
−
Avoid wearing your watch while in the bath.
− Do not wear your watch while in a heated swimming pool, sauna, or any other high temperature/high
humidity environment.
− Do not wear your watch while washing your hands or face, while doing housework, or while performing
any other task that involves soaps or detergents.
•
After submersion in seawater, use plain water to rinse all salt and dirt from your watch.
•
To maintain water resistance, have the gaskets of your watch replaced periodically (about once every
two or three years).
•
A trained technician will inspect your watch for proper water resistance whenever you have its battery
replaced. Battery replacement requires the use of special tools. Always request battery replacement
from your original retailer or from an authorized CASIO service center.
•
Some water-resistant watches come with fashionable leather bands. Avoid swimming, washing, or any
other activity that causes direct exposure of a leather band to water.
•
The inside surface of the watch glass may fog when the watch is exposed to a sudden drop in
temperature. No problem is indicated if the fogging clears up relatively quickly. Sudden and extreme
temperature changes (such as coming into an air conditioned room in the summer and standing close to
an air conditioner outlet, or leaving a heated room in the winter and allowing your watch to come into
contact with snow) can cause it to take longer for glass fogging to clear up. If glass fogging does not
clear up or if you notice moisture inside of the glass, immediately stop using your watch and take it to
your original retailer or to an authorized CASIO service center.
•
Your water-resistant watch has been tested in accordance with International Organization for
Standardization regulations.
E-109
Operating Precautions
Water Resistance
•
The information below applies to watches with WATER RESIST or WATER RESISTANT marked on the
back cover.
Water
Resistance
Under Daily Use
Enhanced Water Resistance Under Daily Use
5
Atmospheres
10
Atmospheres
20
Atmospheres
Marking
On watch front or on back
cover
No
BAR mark
5BAR 10BAR 20BAR
Example of
Daily Use
Hand washing, rain Yes Yes Yes Yes
Water-related work, swimming No Yes Yes Yes
Windsurfing No No Yes Yes
Skin diving No No Yes Yes
•
Do not use your watch for scuba diving or other types of diving that requires air tanks.
•
Watches that do not have WATER RESIST or WATER RESISTANT marked on the back cover are not
protected against the effects of sweat. Avoid using such a watch under conditions where it will be
exposed to large amounts of sweat or moisture, or to direct splashing with water.
OPUM-E
E-108
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
Power Supply:
Solar panel and one rechargeable battery
Approximate battery operating time: 7 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
• Time calibration receive: 4 minutes/day
• Display: 18 hours/day
Frequent use of illumination runs down the battery. Particular care is required when using the auto
light switch (page E-95).
E-107
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.
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 (with one snooze alarm); Hourly time signal
World Time:
48 cities (31 time zones)
Other: Daylight Saving Time/Standard Time
E-106
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)
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
)
E-105
Specifi cations
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: 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.
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: Mainfl ingen, 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:
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
E-104
■
The current time setting is off by one hour.
Possible Cause Remedy Page
Signal reception on a day for
switching between standard
time/daylight saving time (DST)
may have failed for some reason.
Perform the operation under “To get ready for a receive operation”.
The time setting will be adjusted automatically as soon as signal
reception is successful.
E-16
If you are unable to receive the time calibration signal, change the
standard time/daylight saving time (DST) setting manually.
E-30
■
Auto receive is not performed or you cannot perform manual receive.
Possible Cause Remedy Page
The watch is not in the
Timekeeping Mode or World
Time Mode.
Auto receive is performed only while the watch is in the Timekeeping
Mode or World Time Mode. Switch to either of these two modes.
E-24
Your Home City setting is wrong. Check your Home City setting and correct it, if necessary. E-28
There is not enough power for
signal reception.
Expose the watch to light to charge it. E-9
■
Signal reception is being performed successfully, but the time and/or day is wrong.
Possible Cause Remedy Page
Your Home City setting is wrong. Check your Home City setting and correct it, if necessary. E-28
The DST setting may be
incorrect.
Change the DST setting to Auto DST. E-28
Operation Guide 3490
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