Operation Guide 5633
E-9
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-8
Low Battery Alert
The second hand will jump at two-second intervals to alert you when the charge is
low.
2-second jump
E-7
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.
E-6
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-5
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-4
B
Contents
Before Using the Watch for the First Time .......................................... E-1
Solar Charging .................................................................................... E-5
Indicators and Crown Operation ....................................................... E-11
Setting the Current Time and Day .................................................... E-12
To adjust the time setting ...........................................................................E-12
To change the day indicator setting ............................................................E-13
Using the Stopwatch ........................................................................ E-14
Abnormal Hand Movement or Function ............................................. E-18
Specifications................................................................................... E-19
E-3
B
Start
Elapsed time
Current
Knob
x
If your watch has a rotary bezel or
ring...
Rotate the bezel or ring to align its
mark with
the minute hand. Then you can keep track of
how much time has elapsed since you aligned
the mark.
x
If your watch has a rotary bezel or
ring marked “COUNTDOWN”...
Align the
mark with your target time (minutes) or align a minute value (start
time or target time) on the rotary bezel/ring with the minute hand. Then you can
use the minute hand to keep track of how much time remains until the end of the
countdown.
x
Some models have a bezel that can be rotated directly, while
some models have a ring that can be rotating by turning a knob.
E-2
B
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
E-1
B
ENGLISH
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-12) to set up the watch for use.
MA2005-EB
© 2019 CASIO COMPUTER CO., LTD.