Operation Guide 5634
E-9
Indicators and Crown Operation
30
A
B
Click 2
Click 1
Crown
Day Indicator
Hour Hand
Minute Hand
Battery Level Hand / Stopwatch Minute Hand
Stopwatch functions
Second Hand
Stopwatch Second Hand
E-8
Charging Time Required to Restore Operation from a Dead Battery
Exposure Level
(Brightness)
Approximate Charging
Time to 1-second
Hand Movement
Approximate Time to
Full Charge
Outdoor sunlight (50,000 lux) 4 hours 14 hours
Sunlight through a window
(10,000 lux)
11 hours 66 hours
Daylight through a window on
an overcast day (5,000 lux)
14 hours 114 hours
Indoor fluorescent lighting
(500 lux)
195 hours – – –
Note
x Actual charging time depends on environmental conditions.
E-7
Charging Time
The times below are general guidelines for reference only.
Charging Time to Support Daily Use
Exposure Level (Brightness) Approximate Charging Time
Outdoor sunlight (50,000 lux) 8 minutes
Sunlight through a window (10,000 lux) 30 minutes
Daylight through a window on an overcast day
(5,000 lux)
48 minutes
Indoor fluorescent lighting (500 lux) 8 hours
E-6
Approximate Battery Operating Time
H At least five months Good (high charge)
M Two days to five months Good (medium charge)
L No more than two days Low
Low Charge and Dead Battery Conditions
An alert operation is performed when the battery charge goes low.
Low Battery Alert
2-second jump
The second hand will jump at two-second
intervals to alert you when the charge is low.
E-5
Caution!
x The case of the watch may become quite hot when charging. Guard against burn
injury after charging.
x Avoid charging in the following locations, and anywhere else where the watch may
become very hot.
− On the dashboard of an automobile parked in the sun
− Close to an incandescent light source or other sources of heat
− Locations exposed to direct sunlight for long periods
Battery Indicator
The battery level/stopwatch minute hand normally indicates the approximate amount
of remaining operating time of the battery will provide.
x Battery operating time is not indicated while the stopwatch is in use.
x After resetting the stopwatch to all zeros, the stopwatch minute hand will go back
to indicating battery operating time if you press
B
or if you do not perform any
operation for 60 seconds.
E-4
Solar Charging
A solar panel generates electrical power that charges a built-in (secondary) battery.
The entire face is a solar panel, so power is generated when the face is exposed to
light. Keep the watch exposed to light as much as possible.
Charging the Battery
When you are not wearing the watch, leave it where it is
exposed to light. For stable operation, expose the watch to at
least a half day of light per month.
When wearing the watch, try to keep your clothing from
blocking its face (solar panel). Charging efficiency is reduced
significantly even if the face is blocked only partially.
E-3
Contents
Before Using the Watch for the First Time .......................................... E-1
Solar Charging .................................................................................... E-4
Indicators and Crown Operation ......................................................... E-9
Setting the Current Time and Day .................................................... E-10
To adjust the time setting ...........................................................................E-10
To change the day indicator setting ............................................................E-11
Using the Stopwatch ........................................................................ E-12
Abnormal Hand Movement or Function ............................................. E-15
Specifications................................................................................... E-16
Operating Precautions ...................................................................... E-17
User Maintenance ............................................................................ E-27
E-2
Crown Operations
Some water-resistant models (10BAR, 20BAR) have a screw-
in crown. When you need to perform a crown operation,
rotate it towards you to unscrew it. Then pull the crown out.
Avoid applying undue force when pulling. The watch loses
its water resistance while the crown is unscrewed. After
performing a crown operation, fully screw the crown back in.
Crown
Loosen
If your watch has a rotary bezel...
You can rotate the bezel to align its mark with
the minute hand. Then you will be able to tell how
much time has elapsed since aligning the
mark.
Start
Elapsed time
Current
E-1
ENGLISH
x Be sure to keep all user documentation handy for future reference.
x Your watch may differ somewhat from the one shown in the illustration.
Before Using the Watch for the First Time
Crown
Spacer
x Depending on your watch model, there may be a spacer
installed at the factory around the crown. If your watch has
a spacer, you should remove the spacer before using the
watch.
x After removing the spacer, use the procedures in “Crown
Operations” (page E-2) and “To adjust the time setting”
(page E-10) to set up the watch for use.
MA2004-EA
© 2020 CASIO COMPUTER CO., LTD.
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