USEROS GUIDE 2611
Battery
This watch is equipped with a solar cell and a rechargeable battery (secondaryRecovery Times
battery) that is charged by the electrical power produced by the solar cell. TheThe table below shows the amount exposure that is required to take the battery from
illustration shown below shows how you should position the watch for charging.one level to the next.
Example: Orient the watch so itsSolar cellExposure LevelApproximate Exposure Time
face is pointing at a light source.(Brightness)Level 4Level 3Level 2Level 1
" Note that charging efficiency
drops when any part of the solar
cell is blocked by clothing, etc.Outdoor Sunlight (50,000 lux)90 minutes25 hours7 hours
" The illustration shows how to
position a watch with a resin band.Sunlight Through a Window
6 hours126 hours35 hours
(10,000 lux)
Important!
" Storing the watch for long periods in an area where there is no light or wearing it inDaylight Through a Window11 hours� � �
such a way that it is blocked from exposure to light can cause rechargeable batteryon a Cloudy Day (5,000 lux)
power to run down. Be sure that the watch is normally exposed to bright light
whenever possible." The above exposure time values are all for reference only. Actual required exposure
times depend on lighting conditions.
" This watch employs a solar cell that converts light into electricity, which charges a
built-in rechargeable battery. Normally, the rechargeable battery should not need
replacement, but after very long use over a number of years, the rechargeable
Reference
battery may lose its ability to achieve a full charge. Should you notice problems with
getting the rechargeable battery to a full charge, contact your dealer or CASIO
distributor about having the rechargeable battery replaced.This section contains more detailed and technical information about watch operation.
" The rechargeable battery should be replaced with a CASIO-specified CTL1616It also contains important precautions and notes about the various features and
battery only. Other rechargeable batteries can cause damage to the watch.functions of this watch.
" All data stored in memory is deleted, and the current time and all other settings
return to their initial factory defaults whenever battery power drops to Level 4 andPower Saving Function
when you have the battery replaced.When turned on, the Power Saving function automatically
" Turn on the watchOs Power Saving function and keep it in an area normally exposedenters a sleep state whenever the watch is left in an area
to bright light when storing it for long periods. This helps to keep the rechargeablewhere it is dark for 60 to 70 minutes. The sleep state is
battery from going dead.indicated by a blank screen with P.SAVE flashing on it. In the
sleep state, all functions are enabled, except for the display.
Battery Power Indicator" Wearing watch inside the sleeve of clothing can cause it
The battery power indicator on the display shows you the current status of theto enter the sleep state.
rechargeable batteryOs power." The watch will not enter the sleep state between 6:00
AM and 10:59 PM. If the watch is already in the sleep
Battery power indicatorLevelBattery PowerFunction Statusstate when 6:00 AM arrives, however, it will remain in
Indicatorthe sleep state.
" The watch will not enter the sleep state while it is in the
1All functions enabled.Countdown Timer Mode or Stopwatch Mode.
To recover from the sleep state
2All functions enabled.Perform any one of the following operations.
" Move the watch to a well-lit area.
3Beeper tone, backlight," Press any button.
display, and buttons are" Angle the watch towards your face for reading.
disabled.
(Charge Soon Alert)To turn Power Saving on and off
1.In the Timekeeping Mode, hold down A until the
4All functions, includingseconds start to flash, which indicates the setting
timekeeping, are disabled.screen.
2.Press C eight times until the Power Saving on/off
" The flashing CHARGE indicator at Level 3 tells you that battery power is very low,screen appears.
and that exposure to bright light for charging is required as soon as possible.3.Press D to toggle Power Saving on (ON) and off (OF).
" At Level 4, all functions are disabled and settings return to their initial factory4.Press A twice to exit the setting screen.
defaults. Functions are enabled once again after the rechargeable battery is" The Power Saving on indicator (P.SAVE) is on the
charged, but you need to set the time and date, after the battery reaches Level 3display in all modes while the Power Saving is turned
(indicated by flashing CHARGE indicator) from Level 4. You will not be able to seton.
any of the other settings until the battery reaches Level 2 (no CHARGE indicator)
after dropping to Level 4.Moon Phase Indicator
" Leaving the watch in direct sunlight or some other very strong light source canThe Moon phase indicator of this watch indicates the current phase of the Moon as
cause the battery power indicator to temporarily show a reading that is higher thanshown below.
the actual battery level. The correct battery power indicator should appear after a(part you cannot see)Moon phase (part you can see)
few minutes.
" If you use the backlight or any of the alarm functions a number of times during aMoon Phase
short period, RECOVER appears on the display and the following operationsIndicator
become disabled until battery power recovers.Moon Age0, 1, 29 2 - 56 - 9 10 - 13 14 - 16 17 - 20 21 - 24 25 - 28
Backlight
Beeper toneMoon PhaseNewFirstFullLast
After some time, battery power will recover and RECOVER will disappear, indicatingMoonQuarterMoonQuarter
that the above functions are enabled again.(Waxing)(Waning)
Charging Precautions" The Moon phase indicator shows the Moon as viewed at noon from a position in the
Certain charging conditions can cause the watch to become very hot. Avoid leavingNorthern Hemisphere looking south. Note that at times the image shown by the
the watch in the areas described below whenever charging its rechargeable battery.Moon phase indicator may differ from that of the actual Moon in your area.
Also note that allowing the watch to become very hot can cause its liquid crystal" The left-right orientation of the Moon phase is reversed when viewing from the
display to black out. The appearance of the LCD should become normal again whenSouthern Hemisphere or from a point near the equator.
the watch returns to a lower temperature.
Moon Phases and Moon Age
Warning!The Moon goes through a regular 29.53-day cycle during which it appears to wax and
Leaving the watch in bright light to charge its rechargeable battery can cause itwane due to how the Sun illuminates the Moon and the relative positioning of the
to become quite hot. Take care when handling the watch to avoid burn injury.Earth, Moon, and Sun. The greater the angular distance between the Moon and the
The watch can become particularly hot when exposed to the followingSun,* the more we see illuminated.
conditions for long periods.*The angle to the Moon in relation to the direction at which the Sun is visible from the
" On the dashboard of a car parked in direct sunlightEarth.
" Too close to an incandescent lampThe Moon age indicates the number of days from the New Moon to any particular
" Under direct sunlightphase. It is normally calculated using either noon or midnight as a reference point.
This watch calculates the Moon age based on the angular distance of the Moon at
Charging Guidenoon, which can result in an error of ? 1 day. Because of this, the appearance of the
After a full charge, timekeeping remains enabled for up to about 12 months, while theMoon phase indicator may be different from that of the actual Moon.
watch is used under the conditions described below.The watch uses the following formula to calculate Moon age.
Operating ConditionsMoon Age (days) = 29.53 � (Moon angular distance / 360°)
"Watch is not exposed to light
"Display on 18 hours per day, sleep state 6 hours per dayTide Graph
"1 backlight operation (1.5 seconds) per dayThe wave on the watchOs tide graph indicates the current tide. indicates that the tide
"10 seconds of alarm operation per dayis currently rising, while indicates a falling tide. Neither nor is on the display at
"1 countdown timer operation per dayhigh tide and low tide.
Charge TimesHigh tide
Exposing the watch to light for the periods shown below each day restores the power
used by the above operating conditions.Falling
Rising
Exposure Level (Brightness)Approximate Exposure TimeLow tide
Outdoor Sunlight (50,000 lux)5 minutes
Tidal Movements
Sunlight Through a Window (10,000 lux)24 minutesTides are the periodic rise and fall of the water of oceans, seas, bays, and other
bodies of water caused mainly by the gravitational interactions between the Earth,
Daylight Through a Window on a Cloudy Day48 minutes
(5,000 lux)Moon and Sun. Tides rise and fall about every six hours. The tide graph of this watch
indicates tidal movement based on the MoonOs transit over a meridian and the lunitidal
Indoor Fluorescent Lighting (500 lux)8 hoursinterval. The lunitidal interval differs according to your current location, so you must
specify a lunitidal interval in order to obtain the correct tide graph readings.
" Stable operation is promoted by frequent charging.4 |