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Operation Guide 5046
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal reception.
Problem
Probable Cause
• You changed the time setting manually.
The second
• You performed some button operation
hand is
pointing at
during the auto receive operation.
• The watch is not in the Timekeeping
N (NO).
Mode.
• Signal reception results are reset at
midnight each day.
• Radio interference is often present
during the day time, which can interfere
with calibration signal reception.
• The Home Time Zone setting is not
The time
setting is
correct for the area where you are
incorrect
using the watch.
• The home position of the hands is off.
following
signal
reception.
• For further information, see "Important!" under "Time Calibration Signal Reception"
and "Radio-controlled Atomic Timekeeping Precautions".
Adjusting the Home Positions
Even if it receives a time calibration signal normally, the watch will not show the
correct time if the home positions of the hands and/or date are off. The watch
automatically adjustments the hands every hour, so normally home position
adjustment should not be required. However, you should perform the applicable
adjustment procedure whenever you notice one of the symptoms described below.
When the hands are off by one hour or more
Perform hand home position adjustment referring to "To perform auto home position
adjustment of the hands" or "To perform manual home position adjustment of the
hands and date".
When the day indication is not correct
Perform date home position adjustment referring to "To perform manual home position
adjustment of the hands and date".
To perform auto home position adjustment of the hands
In the Timekeeping Mode, hold down B for about six
seconds.
• Note that though the second hand will stop moving
momentarily after about three seconds, you should keep
B depressed. You can release the B button when the
second hand starts moving again, which indicates that
hand home position adjustment is being performed
automatically.
• The watch will return to the Timekeeping Mode after
auto adjustment is complete.
• To stop auto adjustment part way through and return to
Second hand
the Timekeeping Mode, press B again.
To perform manual home position adjustment of the hands and date
1. In the Timekeeping Mode, hold down B for about three
seconds.
• Release the B button when the second hand stops.
• The second hand is at its proper home position if it
stops at 12 o'clock. If it doesn't, use the D button to
move the second hand to 12 o'clock.
Second hand
Correct second
hand home position
2. After confirming that the second hand is in correct
home position, press C. This will switch to hour hand
Minute hand
Hour hand
and minute hand home position adjustment.
• The hour hand and minute hand are at their proper
home positions if they both move to 12 o'clock. If they
don't, use D (+) and B (–) to move hands to their
proper home positions.
3. After confirming that the hour and minute hands are in
their correct home positions, press C. This will
advance to date home position adjustment.
• The date is in the correct home position if it shows "1".
If it doesn't, use D (+) and B (–) to change the date
Correct hour and minute
to "1".
hands home positions
• Pressing C here will return to the second hand
position adjustment in step 1 of this procedure.
Date
4. Press A to return to the Timekeeping Mode.
• After you complete the home position adjustment
procedure, place the watch in a location that allows
good time calibration signal reception, and then perform
a manual receive operation. See "To perform manual
receive" for more information.
Correct date home
position
Timekeeping
What you should do
• Perform manual signal
receive at night or wait until
the next auto signal receive
operation is performed.
• Enter the Timekeeping
Mode and try again.
• Check to make sure the
watch is in a location where
it can receive the signal.
• Select the correct Home
Time Zone.
• Enter the home position
adjustment mode and
adjust the home position.
90
Sep
Aug
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
• The illustration shows how to position
• Note that charging efficiency drops
• You should try to keep the watch
Important!
• Storing the watch for long periods in an area where there is no light or wearing it in
• This watch uses a special rechargeable battery to store power produced by the solar
• The special rechargeable (secondary) battery used by your watch is not intended to
• The current time and all other settings return to their initial factory defaults whenever
• Keep the watch in an area normally exposed to bright light when storing it for long
Use the Timekeeping Mode to set and view the current
Minute hand
time and date. This section also explains how to set the
Hour hand
current date and time manually.
• All of the operations in this section are performed in the
Timekeeping Mode.
To set the time and date manually
1. In the Timekeeping Mode, hold down A for about five
seconds until the second hand moves in sequence to
Y (YES) or N (NO), R (READY) or W (WORK), and then
the current Home Time Zone.
• This indicates the watch is in the setting mode.
2. Use D (+) to move the second hand until it is pointing
at the Home Time Zone you want to select.
Date
• For details about the Home Time Zone setting, see
Second hand
"To specify you Home Time Zone".
• For detailed information about time zones, see the
"UTC Offset Table".
3. When the second hand is indicating the Home Time
Zone you want to select, press C.
• This will cause the second hand to move to A (AM) or
P (PM), which indicates the time setting mode.
4. Use D (+) and B (–) to change the current time
setting value.
5. When the hands are indicating the time you want, press
Second
C.
hand
00
• This will cause the second hand to move to the
10
number that indicates the current tens digit setting for
20
the year.
6. Press D to move the second hand and change the
30
tens digit setting.
7. When the second hand is indicating the year tens digit
you want, press C.
80
40
• This will cause the second hand to move to the
70
50
60
number that indicates the current ones digit setting for
the year.
Setting the year
8. Press D to move the second hand and change the
(tens digit)
ones digit setting.
0
9. When the second hand is indicating the year ones digit
1
you want, press C.
• This will cause the second hand to move to the
2
number that indicates the current month setting.
9
3
8
4
7
5
6
Setting the year
(ones digit)
10. Press D to move the second hand and change the
Dec Jan
Nov
month setting.
11. When the second hand is indicating the month you
Oct
Feb
want to select, press C.
• This will cause the current date setting to be
Mar
indicated.
12. Use D (+) and B (–) to change the current date
Apr
setting.
• Pressing C at this point will take you back to step 4
Jul
May
Jun
of this procedure.
Setting the month
13. After all the settings are the way you want, press A to
return to the Timekeeping Mode.
• Pressing A any time during the above procedure will
return to the Timekeeping Mode, where the second
hand will resume timekeeping from second 0.
Date
Setting the date
pointing at a light source.
a watch with a resin band.
when any part of the solar cell is
blocked by clothing, etc.
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.
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.
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.
be removed or replaced by you. Use of a rechargeable battery other than the special
one specified for this watch can damage the watch.
battery power drops to Level 3 and when you have the battery replaced.
periods. This helps to keep the rechargeable battery from going dead.
Solar cell
3
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