USEROS GUIDE 2534
Warning!Charging Guide
"Always make sure you are in a safe place whenever you are reading theAfter a full charge, timekeeping remains enabled for up to about nine months, while
display of the watch using the auto light switch. Be especially careful whenthe watch is used under the conditions described below.
running or engaged in any other activity that can result in accident or injury.
Operating Conditions
Also take care that sudden illumination by the auto light switch does not
surprise or distract others around you."Watch is not exposed to light
"Display on 18 hours per day, sleep state 6 hours per day
"When you are wearing the watch, make sure that its auto light switch is turned
"1 backlight operation (1.5 seconds) per day
off before riding on a bicycle or operating a motorcycle or any other motor
vehicle. Sudden and unintended operation of the auto light switch can create a"10 seconds of alarm operation per day
"1 countdown timer operation per day
distraction, which can result in a traffic accident and serious personal injury.
Charge Times
To turn the auto light switch on and offExposing the watch to light for the periods shown below each day restores the power
In the Timekeeping Mode, hold down D for about two seconds to toggle the auto lightused by the above operating conditions.
switch on (AUTO EL displayed) and off (AUTO EL not displayed).
"The auto light switch on indicator (AUTO EL) is on the display in all modes while theExposure Level (Brightness)Approximate Exposure Time
auto light switch is turned on.Outdoor Sunlight (50,000 lux)5 minutes
Sunlight Through a Window (10,000 lux)24 minutes
Battery
Daylight Through a Window on a Cloudy Day48 minutes
This watch is equipped with a solar cell and a rechargeable battery (secondary(5,000 lux)
battery) that is charged by the electrical power produced by the solar cell. TheIndoor Fluorescent Lighting (500 lux)8 hours
illustration shown below shows how you should position the watch for charging.
"Stable operation is promoted by frequent charging.
Example: Orient the watch so itsSolar cell
Recovery Times
face is pointing at a light source.
The table below shows the amount exposure that is required to take the battery from
"Note that charging efficiency dropsone level to the next.
when any part of the solar cell is
blocked by clothing, etc.Exposure LevelApproximate Exposure Time
"The illustration shows how to position(Brightness)Level 5 Level 4Level 3 Level 2Level 1
a watch with a resin band.
Important!
"Storing the watch for long periods in an area where there is no light or wearing it inOutdoor Sunlight (50,000 lux)65 minutes18 hours4 hours
such a way that it is blocked from exposure to light can cause rechargeable battery
power to run down. Be sure that the watch is normally exposed to bright lightSunlight Through a Window
whenever possible.(10,000 lux)4 hours98 hours19 hours
"This watch employs a solar cell that converts light into electricity, which charges a
built-in rechargeable battery. Normally, the rechargeable battery should not needDaylight Through a Window7 hours� � �
replacement, but after very long use over a number of years, the rechargeableon a Cloudy Day (5,000 lux)
battery may lose its ability to achieve a full charge. Should you notice problems withIndoor Fluorescent Lighting
getting the rechargeable battery to a full charge, contact your dealer or CASIO(500 lux)60 hours� � �
distributor about having the rechargeable battery replaced.
"The above exposure time values are all for reference only. Actual required exposure
"The rechargeable battery should be replaced with a CASIO-specified CTL1616
battery only. Other rechargeable batteries can cause damage to the watch.times depend on lighting conditions.
"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 5 and
Reference
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
battery from going dead.functions of this watch.
Battery Power Indicator
Power Saving Function
The battery power indicator on the display shows you the current status of theWhen turned on, the Power Saving function automatically
rechargeable batteryOs power.
puts the watch into a sleep state whenever it is left in an
area where it is dark for 30 to 35 minutes. The sleep state
Battery power indicatorLevelBattery PowerFunction Statusis indicated by a blank screen with SLEEP flashing on it.
Indicator
In the sleep state, all functions are enabled, except for the
1All functions enabled.display.
"Wearing watch inside the sleeve of clothing can cause it
2All functions enabled.to enter the sleep state.
3All functions enabled.
4Beeper tone, backlight,To recover from the sleep state
display, and buttons arePerform any one of the following operations.
(Charge Soon Alert)disabled."Move the watch to a well-lit area. It can take up to five seconds for the display to turn
on.
5All functions, including"Press any button.
timekeeping, are disabled."Angle the watch towards your face for reading.
"The flashing indicator at Level 4 tells you that battery power is very low, and thatTo turn Power Saving on and off
exposure to bright light for charging is required as soon as possible.1.In the Timekeeping Mode, hold down A until the
"At Level 5, all functions are disabled and settings return to their initial factoryseconds start to flash, which indicates the setting
defaults. Functions are enabled once again after the rechargeable battery isscreen.
charged, but you need to set the current time, date, and all other settings after the2.Press C seven times until the Power Saving on/off
battery is recharged to Level 3 from Level 5. Though the time appears on the displayscreen appears.
after the battery is charged to Level 4, you will not be able to change the time setting3.Press D to toggle Power Saving on (ON) and off
until the battery reaches Level 3.(OFF).
"Leaving the watch in direct sunlight or some other very strong light source can4.Press A to exit the setting screen.
cause the battery power indicator to temporarily show a reading that is higher than"The Power Saving on indicator (SAVE) is on the display
the actual battery level. The correct battery power indicator should appear after ain all modes while the Power Saving is turned on.
few minutes.
"If you use the backlight or any of the alarm functions a number of times during aAuto Return Feature
short period, RECOVER appears on the display and the following operationsIf you leave a screen with flashing digits on the display for two or three minutes without
become disabled until battery power recovers.performing any operation, the watch automatically saves any settings you have made
Backlightup to that point and exits the setting screen.
Beeper tone
After some time, battery power will recover and RECOVER will disappear, indicatingInitial Screens
that the above functions are enabled again.When you enter the Telememo, World Time, or Alarm Mode, the data you were
viewing when you last exited the mode appears first.
Charging Precautions
Certain charging conditions can cause the watch to become very hot. Avoid leavingData and Setting Scrolling
the watch in the areas described below whenever charging its rechargeable battery.The B and D buttons are used in various modes and setting screens to scroll
Also note that allowing the watch to become very hot can cause its liquid
through data on the display. In most cases, holding down these buttons during a scroll
crystal display to black out. The appearance of the LCD should become normaloperation scrolls through the data at high speed.
again when the watch returns to a lower temperature.
Warning!Timekeeping
Leaving the watch in bright light to charge its rechargeable battery can cause it"Resetting the seconds to 00 while the current count is in the range of 30 to 59
to become quite hot. Take care when handling the watch to avoid burn injury.causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
The watch can become particularly hot when exposed to the followingreset to 00 without changing the minutes.
conditions for long periods."With the 12-hour format, the P (PM) indicator appears on the display for times in the
"On the dashboard of a car parked in direct sunlightrange of noon to 11:59 p.m. and no indicator appears for times in the range of
"Too close to an incandescent lampmidnight to 11:59 a.m.
"Under direct sunlight"With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
"The year can be set in the range of 2000 to 2039.
"The watchOs built-in full automatic calendar automatically makes allowances for
different month lengths and leap years. Once you set the date, there should be no
reason to change it except when battery power drops to Level 5.
4 |
ACEC
