Operation Guide 4362
Illumination
An LED (light-emitting diode) and light guide panel
Charging Guide
illuminate the digital display for easy reading in the dark.
" See OIllumination Precautions� for other importantAfter a full charge, timekeeping remains enabled for up to about 8 months.
information." The following table shows the amount of time the watch needs to be exposed to light
each day in order to generate enough power for normal daily operations.
To turn on illumination
Exposure Level (Brightness)Approximate Exposure Time
In any mode (except when a setting is on the display),
press B to illuminate the display.Outdoor Sunlight (50,000 lux)6 minutes
Sunlight Through a Window (10,000 lux)22 minutes
Daylight Through a Window on a Cloudy Day36 minutes
Power Supply(5,000 lux)
This watch is equipped with a solar cell and a special rechargeable battery (secondaryIndoor Fluorescent Lighting (500 lux)6 hours
battery) that is charged by the electrical power produced by the solar cell. The
illustration shown below shows how you should position the watch for charging." Since these are the specs, we can include all the technical details.
" Display on 18 hours per day, sleep state 6 hours per day
Example: Orient the watch so its faceSolar cell" 1 illumination operation (1.5 seconds) per day
is pointing at a light source." 10 seconds of alarm operation per day
" The illustration shows how to position" 16 minutes of signal reception per day
a watch with a resin band." Stable operation is promoted by frequent exposure to light.
" Note that charging efficiency drops
Recovery Times
when any part of the solar cell isThe table below shows the amount exposure that is required to take the battery from
blocked by clothing, etc.
one level to the next.
" You should try to keep the watch
outside of your sleeve as much asExposure LevelApproximate Exposure Time
possible. Charging is reduced(Brightness)Level 5Level 4Level 3Level 2Level 1
significantly if the face is only partially
covered.
Outdoor Sunlight2 hours
21 hours5 hours
(50,000 lux)
Important!
" Storing the watch for long periods in an area where there is no light or wearing it inSunlight Through a Window6 hours79 hours18 hours
such a way that it is blocked from exposure to light can cause rechargeable battery(10,000 lux)
power to run down. Make sure that the watch is normally exposed to bright light
Daylight Through a Window
whenever possible.9 hours127 hours29 hourson a Cloudy Day (5,000 lux)
" This watch uses a special rechargeable battery to store power produced by the solar
cell, so regular battery replacement is not required. However, after very long use, theIndoor Fluorescent Lighting� � �
97 hours
rechargeable battery may lose its ability to achieve a full charge. If you experience(500 lux)
problems getting the special rechargeable battery to charge fully, contact your dealer
" The above exposure time values are all for reference only. Actual required exposure
or CASIO distributor about having it replaced.times depend on lighting conditions.
" Never try to remove or replace the watchOs special battery yourself. Use of the wrong
type of battery can damage the watch.
" The current time and all other settings return to their initial factory defaults wheneverReference
battery power drops to Level 5 and when you have the battery replaced.
" Turn on the watchOs Power Saving function and keep it in an area normally exposedThis section contains more detailed and technical information about watch operation.
to bright light when storing it for long periods. This helps to keep the rechargeableIt also contains important precautions and notes about the various features and
functions of this watch.
battery from going dead.
Battery Power Indicator and Recover IndicatorPower Saving Function
The battery power indicator shows you the current power level of the rechargeableWhen turned on, the Power Saving function enters a sleepPower saving
battery.state automatically whenever the watch is left in an areaindicator
Level Battery Power IndicatorFunction Statuswhere it is dark for a certain period. The table below
Battery power indicatorshows how watch functions are affected by the Power
1All functions enabled.Saving function.
2All functions enabled.
Alarm, hourly time signal,
3
and illumination disabled.
(Charge Soon Alert)
||||||||||Elapsed TimeDisplayOperation
4||||||All functions disabled.
Recover indicatorin Dark
(Charge Soon Alert)60 to 70 minutesBlank, with Power savingAll functions enabled, except
Display disabled andindicator () flashingfor the display
5
initialized.6 or 7 daysBlank, with Power savingBeeper tone, illumination, and
indicator () not flashingdisplay are disabled.
" The LOW indicator flashes on the display in the Timekeeping Mode when battery is
at Level 3." Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.
" The LOW indicator at Level 3 and the flashing charge indicator (CHG) at Level 4 tell" The watch will not enter the sleep state between 6:00 AM and 9:59 PM. If the watch
you that battery power is very low, and that exposure to bright light for charging isis already in the sleep state when 6:00 AM arrives, however, it will remain in the
required as soon as possible.sleep state.
" At Level 5, all functions are disabled and settings return to their initial factory
defaults. Functions are enabled once again after the rechargeable battery isTo recover from the sleep state
charged, but you need to set the time and date, after the battery reaches Level 4Perform any one of the following operations.
(indicated by the flashing charge indicator) from Level 5. You will not be able to" Move the watch to a well-lit area.
configure any of the other settings until the battery reaches Level 3 (no charge" Press any button.
indicator) after dropping to Level 5.
" Leaving the watch in direct sunlight or some other very strong light source can cause theTo turn Power Saving on and off
battery power indicator to show a reading that is momentarily higher than the actual1.In the Timekeeping Mode, hold down A until the city
battery level. The correct battery power indicator should appear after a few minutes.code starts to flash, which indicates the setting screen.
" If you use the light or alarms a number of times during a short period, the recover||||2.Press C nine times until the Power Saving on/off
indicator ( ) appears and the following operations become disabled until battery||||screen appears.
||
power recovers.||3.Press D to toggle Power Saving on ( ) and off ( ).
Illumination4.Press A to exit the setting screen.
Beeper tone" The Power Saving indicator ( ) is on the display in all
After some time, battery power will recover and the recover indicator will disappear,modes while Power Saving is turned on.
indicating that the above functions are enabled again.On/Off status
Charging Precautions
Certain charging conditions can cause the watch to become very hot. Avoid leavingButton Operation Tone
the watch in the areas described below whenever charging its rechargeable battery.In any mode (except when a setting screen is on the display), hold down C for about
Also note that allowing the watch to become very hot can cause its liquid crystalthree seconds to toggle the button operation tone on and off. The button operation
display to black out. The appearance of the LCD should become normal again whentone off indicator ( ) is displayed while the tone is turned off.
the watch returns to a lower temperature." Even if the button operation tone is turned off, the daily alarm and countdown timer
alarm continue to sound when required.
Warning!
Leaving the watch in bright light to charge its rechargeable battery can cause itAuto Return Features
to become quite hot. Take care when handling the watch to avoid burn injury.
" If you leave the watch in the Alarm or Hand Setting Mode for two or three minutes
The watch can become particularly hot when exposed to the following
conditions for long periods.without performing any operation, it automatically returns to the Timekeeping Mode.
" On the dashboard of a car parked in direct sunlight" If you leave the watch with a flashing setting on the display for two or three minutes
" Too close to an incandescent lampwithout performing any operation, the watch automatically exits the setting screen.
" Under direct sunlight
Scrolling
The B and D buttons are used in various modes and setting screens to scroll
through data on the display. In most cases, holding down these buttons during a scroll
operation scrolls through the data at high speed.
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ACEC
