MO0507-EA
Operation Guide 4317 4318
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
purchase, be sure to read this manual carefully and keep it on hand for later reference
when necessary.
Keep the watch exposed to bright light
Bright light
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• The watch continues to operate, even when it is not exposed to light. Leaving the
watch in the dark can cause the battery to run down, which will cause some watch
functions to be disabled. If the battery goes dead, you will have to re-configure watch
settings after recharging. To ensure normal watch operation, be sure to keep it
exposed to light as much as possible.
Battery charges in the light. Battery discharges in the dark.
Solar cell
(Converts light to
electrical power.)
Charge
General Guide
• Press B to change from mode to mode.
Timekeeping Mode Receive Result Mode
The electricity generated by the solar cell of the watch is
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stored by a built-in battery. Leaving or using the watch
where it is not exposed to light causes the battery to run
down. Make sure the watch is exposed to light as much as
possible.
• When you are not wearing the watch on your wrist,
Solar cell
Rechargeable battery
position the face so it is pointed at a source of bright
light.
• You should try to keep the watch outside of your sleeve
as much as possible. Even if the face of the watch is
only partially blocked from light, charging will be reduced
significantly.
Bright light
LEVEL 1
LEVEL 2
LEVEL 3
Electrical
energy
All
functions
enabled.
All functions disabled,
except for analog timekeeping.
charge
Dis-
LEVEL 1
LEVEL 2
LEVEL 3
All
functions
disabled.
• The actual level at which some functions are disabled depends on the watch model.
• Be sure to read “Power Supply” for important information you need to know
when exposing the watch to bright light.
If the analog hands aren’t moving...
If the analog hands aren’t moving, it means that the power saving mode has stopped
them to save battery power.
• See “Power Saving” for more information.
• The hands also stop whenever the battery level reaches Level 3.
About This Manual
Minute hand
Hour hand
Second hand
• Button operations are indicated using the letters shown
in the illustration.
• Each section of this manual provides you with the
information you need to perform operations in each
mode. Further details and technical information can be
found in the “Reference” section.
Date
Home Position
Adjustment Mode
Press B.
▲
▲
Radio-controlled Timekeeping
This watch receives a time calibration signal and updates its time setting accordingly.
The time calibration signal includes both Standard Time and Daylight Saving Time
(summer time) data.
• This watch is designed to pick up the time calibration signal transmitted in Germany
(Mainflingen) and England (Rugby).
Current Time Setting
This watch adjusts its time setting automatically in accordance with a time calibration
signal. You can also perform a manual procedure to set the time and date, when
necessary.
• The first thing you should do after purchasing this watch is to specify your Home
Time Zone, which is the time zone where you will normally use the watch. For more
information, see “To specify your Home Time Zone” below.
• When using the watch outside the range of the Germany and England time signal
transmitters, you have to adjust the current time setting manually as required. See
“Timekeeping” for more information about manual time settings.
To specify your Home Time Zone
GMT differential
value (+0)
GMT differential
value (+1)
• Normally, your watch should show the correct time as soon as you specify your
Home Time Zone. If it does not, it should adjust automatically after the next auto
receive operation (in the middle of the night). You can also perform manual receive
or you can set the time manually.
• Even if the time calibration signal is received correctly, there are some times when
the analog hands may not indicate the correct time. If this happens, use the
procedures under “Adjusting the Home Positions” to check the home positions of the
hands, and make adjustments as required.
• The watch will receive the time calibration signal automatically from the applicable
transmitter (in the middle of the night) and update its settings accordingly. For
information about the relationship between time zones (GMT differential values) and
transmitters, see “Transmitters”.
• See the maps under “Reception Ranges” for information about the reception ranges
of the watch.
1. In the Timekeeping Mode, hold down A for about five
seconds until the second hand moves to the currently
selected GMT differential value and stops. This is the
setting mode.
• The GMT differential value indicates the time
difference in hours between Greenwich Mean Time
and the currently selected time zone.
2. Press B to select the time zone you want to use as
your Home Time Zone.
GMT+ 0 (12 o’clock): London
GMT+ 1 (1 o’clock): Paris, Berlin, Milan, Rome,
Amsterdam, Hamburg, Frankfurt, Vienna,
Barcelona, Madrid
GMT+2 (2 o’clock): Athens
3. Press A eight times to exit the setting mode.
• The watch will also return to the Timekeeping Mode if
you do not perform any operation for about two or three
minutes.
▲
Time Calibration Signal Reception
There are two different methods you can use to receive the time calibration signal:
auto receive and manual receive.
• Auto Receive
With auto receive, the watch receives the time calibration signal automatically up to six
times a day. When any auto receive is successful, the remaining auto receive
operations are not performed. For more information, see “About Auto Receive”.
• Manual Receive
Manual receive lets you start a time calibration receive operation with the press of a
button. For more information, see “To perform manual receive”.
Important!
• When getting ready to receive the time calibration signal, position the watch as
shown in the nearby illustration, with its 9 o’clock side facing towards a window.
Make sure there are no metal objects nearby.
9 o’clock
or
• The watch should not be facing the wrong way.
• Proper signal reception can be difficult or even impossible under the conditions listed
below.
Inside or
among
buildings
• Signal reception is normally better at night than during the day.
• Time calibration signal reception takes from two to seven minutes, but in some
cases it can take as long as 14 minutes. Take care that you do not perform any
button operations or move the watch during this time.
Inside a
vehicle
Near
household
appliances,
office
equipment,
or a mobile
phone
Near a
construction
site, airport, or
other sources
of electrical
noise
Near hightension
power lines
Among or
behind
mountains
1
Operation Guide 4317 4318
• When within range of the applicable transmitter, this watch can receive either the
Germany (Mainflingen) or England (Rugby) time calibration signals. See
“Transmitters” for more information.
Reception Ranges
1,500 kilometers
Rugby
500 kilometers
• Under good reception conditions, signal reception is possible within a radius of
about 1,500 kilometers from a transmitter.
• At distances further than about 500 kilometers from a transmitter, signal reception
may not be possible during certain times of year or times of day. Radio interferance
may also cause problems with reception.
• See the information under “Signal Reception Troubleshooting” if you experience
problems with time calibration signal reception.
About Auto Receive
The watch receives the time calibration signal automatically up to six times a day.
When any auto receive is successful, the remaining auto receive operations are not
performed. The reception schedule (calibration times) depends on your currently
selected Home Time Zone, and whether standard time or Daylight Saving Time is
selected for your Home Time Zone.
Your Home Time Zone Auto Receive Start Times
GMT +0 Standard Time 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am Midnight
Daylight 2:00 am 3:00 am 4:00 am 5:00 am Midnight 1:00 am
Saving Time next day
GMT +1 Standard Time 2:00 am 3:00 am 4:00 am 5:00 am Midnight 1:00 am
Daylight 3:00 am 4:00 am 5:00 am Midnight 1:00 am 2:00 am
Saving Time next day next day
GMT +2 Standard Time 3:00 am 4:00 am 5:00 am Midnight 1:00 am 2:00 am
Daylight 4:00 am 5:00 am Midnight 1:00 am 2:00 am 3:00 am
Saving Time next day next day next day
Note
• The auto receive operation is performed only if the watch is in the Timekeeping
Mode when one of the calibration times is reached. It is not performed if a calibration
time is reached while you are configuring settings.
• Auto receipt of the calibration signal is designed to be performed early in the
morning, while you sleep (provided that the Timekeeping Mode time is set correctly).
Before going to bed for the night, remove the watch from your wrist, and put it in a
location where it can receive the signal easily.
• The watch receives the calibration signal for two to seven minutes everyday when
the time in the Timekeeping Mode reaches each of the calibration times. Do not
perform any button operation within seven minutes before or after any one of the
calibration times. Doing so can interfere with correct calibration.
• Remember that reception of the calibration signal depends on the current time in the
Timekeeping Mode. The receive operation will be performed whenever the display
shows any one of the calibration times, regardless of whether or not the displayed
time is actually the correct time.
To perform manual receive
READY
WORK
Note
• To interrupt a receive operation and return to the Timekeeping Mode, press any
button.
• If reception is not successful, the second hand will move to NO. One or two minutes
later, the second hand will resume normal operation, without any adjustment of the
hand setting.
• If the second hand is pointing to YES or NO, you can return to the Timekeeping
Mode by pressing any button.
123456
1. Place the watch on a stable surface so its 9 o’clock side
is facing towards a window.
2. In any mode, hold down B for about two seconds until
the watch beeps.
3. When you release B, the second hand will move to
READY to indicate that the watch is setting up for time
calibration reception.
• The second hand will move to WORK and stay there
while actual reception is in progress.
• The hour and minute hands continue to keep time
normally.
• Time calibration signal reception takes from two to
seven minutes, but in some cases it can take up to 14
minutes. Take care that you do not perform any button
operations or move the watch during this time.
• If reception is successful, the second hand will move to
YES. One or two minutes later, the hands will move to
the correct time.
Mainflingen
next day
next day next day
Viewing the Latest Signal Reception Results
You can use the Receive Result Mode to check if signal reception was performed
correctly.
To check the latest signal reception results
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal reception.
The second
hand is
pointing at
NO.
Time setting is
incorrect
following signal
reception.
• For further information, see “Important!” under “Time Calibration Signal Reception”
and “Radio-controlled Timekeeping Precautions”.
• You changed the time setting
•
• Signal reception results are reset at
• The Home Time Zone setting is not
Enter the Receive Result Mode.
• If the watch was able to perform a successful signal
receive operation since midnight, the second hand will
move to YES. If the watch has been unable to receive
any signal successfully, the second hand will move to
NO.
• To return to the Timekeeping Mode, press B three
times.
• The current receive result is cleared when the first auto
receive operation is performed on the following day. This
means YES indicates successful signal reception since
the start of the current day.
• YES continues to be indicated even if an attempt at
manual receive fails after auto receive is successful.
• If you adjust the time or date setting manually, the
second hand will move to NO.
What you should doProblem Probable Cause
manually.
The watch was not in the
Timekeeping Mode, or you performed
some button operation during the
auto receive operation.
midnight each day.
correct for the area where you are
using the watch.
• Perform manual signal
receive or wait until the next
auto signal receive operation
is performed.
• Check to make sure the
watch is in a location where it
can receive the signal.
• Select the correct Home
Time Zone.
Adjusting the Home Positions
If the time and date settings are wrong even after the time calibration signal is
received normally, use the following procedure to adjust their home positions.
To adjust the home positions
12 o’clock
Correct second hand
home position
12 o’clock
Correct hour
and minute hand
home position
indicator
Correct date home
position
• 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.
1. Enter the Home Position Adjustment Mode.
• If the home position of the second hand is currently
correct, it will move to the 12 o’clock position.
2. While in the Home Position Adjustment Mode, hold
down A for about five seconds. This will cause the
second hand to make one revolution and stop at its
current home position.
• The analog hands do not keep time during home
position adjustment.
3. Check the position of the second hand.
• The second hand home position is correct if it is
pointing at 12 o’clock.
• If the second hand is not pointing at 12 o’clock, it
means that its home position is off. If this happens,
press B to move the second hand clockwise in onesecond steps, until it points at 12 o’clock.
4. Press A to advance to hour and minute hand home
position adjustment.
• If current hour and minute hand alignment is correct,
they will both move to 12 o’clock.
5. Check the position of the hour and minute hands.
• If the hour and minute hands are not pointing at 12
o’clock, it means that their home position is off. If this
happens, press B to move the hour and minute
hands clockwise in 10-second steps, until they point
at 12 o’clock.
• You can change the hour and minute hand movement
direction to counterclockwise by pressing A. After
that, each press of B will move the hour and minute
hands counterclockwise in 10-second steps.
6. Press A to advance to date home position adjustment.
• The date indicator will show
position is correct. Note that it can take up to 90
seconds before
7. Check the date indicator.
8. If the date indicator shows something other than
means that the date home position is off. If this
happens, press B to advance the date until
appears.
•
is located between 31 and 1.
9. Press A to exit home position adjustment.
• This causes the date to change to the current date, and
the hour and minute hands to move to the current time.
• Note that all button operations are disabled while the
date is changing, and the hour and minute hands are
moving.
• To return to the Timekeeping Mode, press B.
if the date home
appears.
, it
2
Operation Guide 4317 4318
Dec
Jan
Feb
Mar
Apr
May
Jul
Aug
Sep
Oct
Nov
Jun
Timekeeping
Use the Timekeeping Mode to set and view the current
Minute hand
Hour hand
Second hand
To set the time and date manually
GMT
GMT
differential
differential
value (+0)
value (+1)
GMT
differential
value (+2)
Timekeeping
Mode
Year
(1’s Digit)
3. Select the setting you want to change, and then use B to change it as shown
below.
To do this:
Change the time zone
Move the hour and minute hands
clockwise one minute
Move the hour and minute hands
counterclockwise one minute
Reset the seconds to 00
• Pressing B while the seconds setting is selected will cause the second hand to
move to 00 seconds. This also advances the minute by one, resets the seconds
count to 00, and exits the setting mode automatically.
• If you want to change the year, month, and day setting after resetting the
seconds, re-enter the setting mode from step 1.
Setting the Month
0
1
9
8
57
6
Setting the Year
time and date. This section also explains how to set the
current date and time manually.
• If you become confused and lose your way during the
following procedures, simply put the watch down and do
not perform any button operation for two or three
minutes. This will cause the watch to enter the
Timekeeping Mode (indicated by normal one-second
movement of the second hand) automatically. After that,
you can try performing the manual setting procedure
again from the beginning.
• All of the operations in this section are performed in the
Date
Timekeeping Mode, which you enter by pressing B.
1. In the Timekeeping Mode, hold down A for about five
seconds.
• This will cause the second hand to move to 12 o’clock,
1 o’clock, or 2 o’clock, depending on the currently
selected GMT differential setting. This is the setting mode.
• The GMT differential value indicates the time difference in
hours between Greenwich Mean Time and the currently
selected time zone.
•
The hour and minute hands do not move in the setting mode.
2. Press A to cycle through settings in the sequence shown
below.
Hold down A. Press A.
GMT Differential
Value
Year
(10’s Digit)
While the second hand is here:
12 o’clock (GMT+0), 1 o’clock
(GMT+1), or 2 o’clock (GMT+2)
AM or PM
Hour/Minutes
(Forward)
DayMonth
Hour/Minutes
(Back)
AM or PM
SEC
To do this:
Change the day
Change the month
Change the year
• When setting the day, the watch automatically will skip days
(30 and 31) that are not included in the currently selected
month. If you can’t select 30 or 31 when you want to, check
to make sure that the proper month is selected.
4. After setting the 1’s digit of the year, press A to exit the
2
setting mode.
•
This will cause the hands to move to the current time, and
3
resume normal movement.
• Make sure that you set the time correctly as AM or PM (as
4
indicated by the second hand) when setting the time. The
second hand will move between AM and PM any time the
hour hand moves past 12 o’clock while you are setting the
time.
While the second hand is here:
12 o’clock
Current month
10’s digit of current year
1’s digit of current year
Seconds
Do this:
Use B (+).
Use B (+).
Use B (–).
Press B.
Do this:
Use B (+).
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.
• Never try to remove or replace the watch’s special battery yourself. Use of the wrong
type of battery 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.
Solar cell
Battery Power Levels
The movement of the analog hands indicates the current battery power level.
Hand Movement
Level
Normal.
1
•Second hand jumps
2
every 2 seconds.
•Date changes to home
position at midnight.
•Second hand stopped.
3
•Hour and minute hands
Jumps 2 seconds
• 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 analog hands will move to the current time and normal timekeeping will
resume when the battery is recharged sufficiently.
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 four 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.
stopped at 12 o’clock.
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
• 1 time calibration 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
(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)
• The above exposure time values are all for reference only. Actual required exposure
times depend on lighting conditions.
Approximate Exposure Time
Level 3 Level 2 Level 1
▲
1 hour
3 hours
4 hours
55 hours
Function Status
All functions enabled.
All functions disabled,
except for analog
timekeeping.
All functions disabled.
Approximate Exposure Time
6 minutes
30 minutes
48 minutes
8 hours
▲
18 hours
89 hours
– – –
– – –
Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Auto Return Features
• If you leave the watch in the Home Position Adjustment Mode for two or three
minutes without performing any operation, it returns to the Timekeeping Mode
automatically.
• If you do not perform any operation for about two or three minutes while a setting
mode is selected, the watch will exit the setting mode automatically.
Scrolling
• The B button is used to change the hand setting in various setting modes. In most
cases, holding down the B button will start high-speed movement of the applicable
hand(s).
• High-speed movement of the hands will continue until it completes a 12-hour cycle,
or until you press any button to stop it.
Radio-controlled Timekeeping Precautions
• Strong electrostatic charge can result in the wrong time being set.
• Even when the watch is within the reception range of the transmitter, signal
reception will be impossible if the signal is blocked by mountains or other geological
formations between the watch and signal source.
• Signal reception is affected by weather, atmospheric conditions, and seasonal
changes.
• The time calibration signal bounces off the ionosphere. Because of this, such factors
as changes in the reflectivity of the ionosphere, as well as movement of the
ionosphere to higher altitudes due to seasonal atmospheric changes or the time of
day may change the reception range of the signal and make reception temporarily
impossible.
• Even if the time calibration signal is received properly, certain conditions can cause
the time setting to be off by up to one second.
▲
3
Operation Guide 4317 4318
• The current time setting in accordance with the time calibration signal takes priority
over any time settings you make manually.
• The watch is designed to update the date and day of the week automatically for the
period January 1, 2000 to December 31, 2099. Setting of the date by the time
calibration signal cannot be performed starting from January 1, 2100.
• This watch can receive signals that differentiate between leap years and non-leap
years.
• Though this watch is designed to receive both time data (hour, minutes, seconds)
and date data (year, month, day), certain signal conditions can limit reception to time
data only.
• If you are in an area where proper time calibration signal reception is impossible, the
watch keeps time within ±20 seconds a month at normal temperature.
• If you have problems with proper time calibration signal reception or if the time
setting is wrong after signal reception, check your Home Time Zone (GMT
differential) setting.
The following are the initial factory defaults for this setting.
Module 4317: GMT +1.0
Module 4318: GMT +0.0
Transmitters
This watch is able to receive time calibration signals transmitted in Germany
(Mainflingen) and England (Rugby). The following explains how the watch determines
which transmitter it should check first.
Module 4317
In this case:
The first signal search operation after
factory default settings are in effect.
The first signal search operation after
the Home Time Zone has been
changed.
Module 4318
In this case:
The first signal search operation after
factory default settings are in effect.
The first signal search operation after
the Home Time Zone has been
changed.
Timekeeping
• The year can be set in the range of 2000 to 2099.
• The watch’s built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch’s battery replaced or when battery power drops to
Level 3.
• The date will change automatically when the current time reaches midnight. The
date change at the end of the month may take more time than normal.
• The current time for all time zones in the Timekeeping Mode is calculated in
accordance with the Greenwich Mean Time (GMT) differential of each zone, based
on your Home Time Zone time setting.
• GMT differential is calculated by this watch based on Universal Time Coordinated
(UTC*) data.
* UTC is the world-wide scientific standard of timekeeping. It is based upon
carefully maintained atomic (cesium) clocks that keep time accurately to within
microseconds. Leap seconds are added or subtracted as necessary to keep UTC
in sync with the Earth’s rotation. The reference point for UTC is Greenwich,
England.
Power Saving
Power Saving enters a sleep state automatically whenever the watch is left for a
certain period in an area where it is dark. The table below shows how watch functions
are affected by Power Saving.
• There are actually two sleep state levels: “second hand sleep” and “function sleep”.
Elapsed Time in Dark
60 to 70 minutes
(second hand sleep)
6 or 7 days
(function sleep)
• Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.
• The watch will not enter the sleep state between 6:00 AM and 10:59 PM. If the
watch is already in the sleep state when 6:00 AM arrives, however, it will remain in
the sleep state.
To recover from the sleep state
Perform any one of the following operations.
• Move the watch to a well-lit area.
• Press any button.
• Angle the watch towards your face for reading.
• To find out the module number of your watch, look at its
4317
back cover. The Module number (4317 or 4318) is
engraved inside the box on the back cover.
The watch does this:
1. Checks the Mainflingen signal first.
2. If the Mainflingen signal cannot be
received, checks the Rugby signal.
1. Checks the Rugby signal first.
2. If the Rugby signal cannot be received,
checks the Mainflingen signal.
The watch does this:
1. Checks the Rugby signal first.
2. If the Rugby signal cannot be received,
checks the Mainflingen signal.
1. Checks the Rugby signal first.
2. If the Rugby signal cannot be received,
checks the Mainflingen signal.
Second hand only is stopped, all other functions are
enabled.
• All functions, including analog timekeeping, disabled
• Internal timekeeping maintained
Operation
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