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5. Use D (+) and B (–) to change the time (hour and minute) setting.
• As you set the time, take care to ensure that the 24-hour hand also is at
the correct position.
00
6. After the time setting is the way you want,
Stopwatch
10
press C.
second
20
• This will cause the watch to beep and
hand
change to the year setting mode.
30
7. Use D and B to change the year setting
90
declination value.
• Each press of B will move the stopwatch
40
80
second hand and change the year setting in
70
50
60
10-year units.
Setting the year (10-year units)
• Each press of D will move the timekeeping
second hand and change the year setting in
0 1
9
one -year units.
2
8
8. After the year setting is the way you want,
press C.
7
3
• This will cause the watch to beep and
4
6
5
change to the month setting mode.
Setting the year
9. Use D to move the stopwatch second hand
(1-year units)
to the month setting you want.
10.After the month setting is the way you want,
Dec Jan
Nov
press C.
• This will cause the watch to beep and
Feb
Oct
change to the date setting mode.
11.Use D (+) and B (–) to change the date
Sep
Mar
setting.
• Pressing C will return to the time setting
Apr
Aug
mode.
Jul
May
Jun
12.After all the settings are the way you want,
Setting the month
press A to return to the Timekeeping Mode.
• Pressing A any time during the above
procedure will return to the Timekeeping Mode,
where the timekeeping second hand will
resume timekeeping from second 0.
• The day of the week is displayed automatically
Date
in accordance with the date (year, month, and
Setting the date
day) settings.
Power Supply
This watch is equipped with a solar cell and a special rechargeable battery
(secondary 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.
Example: Orient the watch so its face is
pointing at a light source.
• The illustration shows how to position a
watch with a resin band.
• Note that charging efficiency drops when
any part of the solar cell is blocked by
clothing, etc.
• You should try to keep the watch outside
of your sleeve as much as possible. Even
if the face of the watch is blocked from
light only partially, charging will be
reduced significantly.
Important!
• Storing the watch for long periods in an area where there is no light or
wearing it in such a way that it is blocked from exposure to light can cause
rechargeable battery power to run down. Make sure that the watch is
exposed to bright light whenever possible.
• 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, the rechargeable battery may lose its ability to achieve a full
charge. If you experience problems getting the special rechargeable battery
to charge fully, contact your dealer or CASIO distributor about having it
replaced.
• The special rechargeable (secondary) battery used by your watch is not
intended to be removed or replaced by you. Use of a rechargeable battery
other than the special one specified for this watch can damage the watch.
• The current time and all other settings return to their initial factory defaults
whenever battery power drops to Level 3 and when you have the battery
replaced.
• Keep the watch in an area normally exposed to bright light when storing it
for long periods. This helps to keep the rechargeable battery from going
dead.
Operation Guide 5035
Solar cell
Battery Power Levels
The movement of the analog hands indicates the current battery power level.
Level
Hand Movement
1
Normal.
• Second hand jumps
2
every 2 seconds.
• Date changes to
home position.
• Second hand
3
stopped.
• Hour and minute
Jumps two seconds
hands stopped at
12 o'clock.
• The second hand jumping every two seconds (Level 2) indicates that
battery power is quite low. Expose the watch to light as soon as possible to
charge the battery.
• When battery power is at Level 2, time calibration signal reception is
disabled.
• At Level 3, all functions are disabled and settings return to their initial
factory defaults. The watch will continue to keep time internally for about
one month after the battery drops to Level 3. If you recharge the battery
sufficiently during this period, the analog hands will move automatically to
the correct setting and normal timekeeping will resume.
• Alarm operation can cause hand movement to stop due to a sudden
temporary drop in battery power. This does not indicate malfunction, and
normal operation will resume when the watch is exposed to light. Though
hand movement stops, timekeeping continues internally, and the hands will
be adjusted to the correct setting when normal operation returns.
Charging Precautions
Certain charging conditions can cause the watch to become very hot. Avoid
leaving the watch in the areas described below whenever charging its
rechargeable battery.
Warning!
Leaving the watch in bright light to charge its rechargeable battery can
cause it to become quite hot. Take care when handling the watch to
avoid burn injury. The watch can become particularly hot when exposed
to the following conditions for long periods.
• On the dashboard of a car parked in direct sunlight
• Too close to an incandescent lamp
• Under direct sunlight
Charging Guide
After a full charge, timekeeping remains enabled for up to about five months.
• 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.
Exposure Level (Brightness)
Outdoor sunlight (50,000 lux)
Sunlight through a window (10,000 lux)
Daylight through a window on a cloudy day
(5,000 lux)
Indoor fluorescent lighting (500 lux)
• Since these are the specs, we can include all the technical details.
• Watch is not exposed to light
• Internal timekeeping
• Analog hands operational 18 hours per day, sleep state 6 hours per day
• 10 seconds of alarm operation per day
• 6 minutes of signal reception per day
• Stable operation is promoted by frequent charging.
Recovery Times
The table below shows the amount exposure that is required to take the
battery from one level to the next.
Exposure Level
Approximate Exposure Time
(Brightness)
Level 3
Outdoor sunlight (50,000 lux)
Sunlight through a window
(10,000 lux)
Daylight through a window on
a cloudy day (5,000 lux)
Indoor fluorescent lighting
(500 lux)
• The above exposure time values are all for reference only. Actual required
exposure times depend on lighting conditions.
Function Status
All functions
enabled.
Beeper and time
calibration signal
reception disabled.
All functions
disabled.
Approximate Exposure Time
8 minutes
30 minutes
48 minutes
8 hours
Level 2
Level 1
1 hour
20 hours
2 hours
73 hours
4 hours
– – –
– – –
34 hours
5
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