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Operation Guide 5580
E-99
Band
x 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.
x 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.
x 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).
E-98
x 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.
x 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.
x 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.
x Your water-resistant watch has been tested in accordance with International
Organization for Standardization regulations.
E-97
x 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.
x 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.
x After submersion in seawater, use plain water to rinse all salt and dirt from your
watch.
x To maintain water resistance, have the gaskets of your watch replaced periodically
(about once every two or three years).
E-96
Operating Precautions
Water Resistance
x 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
x
Do not use your watch for scuba diving or other types of diving that requires air tanks.
OPUM-E
E-95
Alarms:
5 Daily alarms; Hourly Time Signal
Double LED light:
LED light for the face (Full auto LED light, Neon illuminator,
selectable illumination duration, afterglow)
LED backlight for the digital display (Full auto LED light, Super illuminator,
selectable illumination duration, afterglow)
Other:
Battery power indicator; Power Saving; Button operation tone on/off
Power Supply:
Solar panel and one rechargeable battery
Approximate battery operating time: 7 months under the following conditions:
• Display on 18 hours per day, sleep state 6 hours per day
• 1 illumination operation (1.5 seconds) per day
• 10 seconds of alarm operation per day
• 4 minutes of signal reception per day
• 1 hand movement for easy viewing of digital information per day
Frequent use of illumination runs down the battery.
Specifications are subject to change without notice.
E-94
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)
World Time:
48 cities (31 time zones)
Other: Daylight Saving Time/Standard Time
Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 59'59.99"
Measuring modes: Elapsed time, split time, two finishes
Countdown Timer:
Countdown range: 100 minutes
Setting unit: 1 second
Start time setting range: 1 second to 100 minutes
E-93
Specifications
Accuracy at normal temperature:
±15 seconds a month (with no signal calibration)
Timekeeping:
Hour, minutes, seconds, p.m. (PM), year, month, day, day of the week,
alarm countdown
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: 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
E-92
■
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-42
The DST setting may be incorrect. Change the DST setting to Auto DST. E-42
E-91
■
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, a countdown
timer operation is in progress, or the
hands have been moved to a position to
allow easier viewing of the digital dials.
Auto receive is performed only while the
watch is in the Timekeeping Mode or
World Time Mode. Switch to either of
these two modes.
If a countdown timer operation is in
progress, stop it. If the hands have been
moved for easier viewing, return them to
their normal positions.
E-38
Auto Receive is disabled. Enable Auto Receive. E-34
Your Home City setting is wrong.
Check your Home City setting and
correct it, if necessary.
E-42
There is not enough power for signal
reception.
Expose the watch to light to charge it. E-12
E-90
■
The current time setting changes after I set it manually.
You may have the watch configured for Auto Receive of the time calibration signal
(page E-28), which will cause the time to be adjusted automatically according to your
currently selected Home City. If this results in the wrong time setting, check your
Home City setting and correct it, if necessary (page E-42).
■
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-26
If you are unable to receive the time
calibration signal, change the standard
time/daylight saving time (DST) setting
manually.
E-45
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