MO1804-EA
© 2018 CASIO COMPUTER CO., LTD.
Operation Guide 5580
ENGLISH
Congratulations upon your selection of this CASIO watch.
To ensure that this watch provides you with the years of service for which it is
designed, carefully read and follow the instructions in this manual, especially the
information under “Operating Precautions” and “User Maintenance”.
Keep all user documentation handy for future reference.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage
or loss suffered by you or any third party arising through the use of your watch or its
malfunction.
E-1
About This Manual
• Depending on the model of your watch, display text appears either as dark figures
on a light background, or light figures on a dark background. All examples in this
manual are shown using dark figures on a light background.
• Button operations are indicated using the letters shown in the illustration.
E-2
Things to check before using the watch
1. Check the battery power level.
Is H or M indicated as the battery power indicator (page E-15)?
Battery power
indicator
E-4
2. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To configure Home City settings” (page E-42) to configure your
Home City and daylight saving time settings.
Important!
• Proper time calibration signal reception and World Time Mode data depend on
correct Home City, time, and date settings in the Timekeeping Mode. Make sure
you configure these settings correctly.
Set the current time.
3.
To set the time using a time calibration signal
•
See “To get ready for a receive operation” (page E-26).
To set the time manually
•
See “Configuring Current Time and Date Settings Manually” (page E-48).
YES
NO
• Note that the product illustrations in this manual are intended for reference only,
and so the actual product may appear somewhat different than depicted by an
illustration.
The watch is charged.
For details about charging, see “Charging the Watch” (page E-12).
Power is low.
light. For details, see “Charging the Watch” (page E-12).
The watch is now ready for use.
•
For details about the watch’s radio controlled timekeeping feature, see “Radio
Controlled Atomic Timekeeping” (page E-21).
Charge the watch by placing it in a location where it is exposed to
NEXT
Go to step 2.
E-3
E-5
E-6
Contents
About This Manual …………………………………………………………………… E-2
Things to check before using the watch ………………………………………… E-4
Charging the Watch ……………………………………………………………………E-12
To recover from the sleep state ………………………………………………E-20
Radio Controlled Atomic Timekeeping …………………………………………… E-21
To get ready for a receive operation …………………………………………E-26
To perform manual receive ……………………………………………………E-29
To check the latest signal reception results …………………………………E-33
To turn auto receive on and off ………………………………………………E-34
Mode Reference Guide ……………………………………………………………… E-37
Timekeeping ……………………………………………………………………………E-41
E-8
Configuring Home City Settings …………………………………………………… E-42
To configure Home City settings ………………………………………………E-42
To change the Daylight Saving Time (summer time) setting ………………E-45
Configuring Current Time and Date Settings Manually …………………………E-48
To change the current time and date settings manually ……………………E-48
Using the World Time Mode …………………………………………………………E-53
To enter the World Time Mode ………………………………………………E-53
To view the time in another time zone ………………………………………E-53
To specify standard time or daylight saving time (DST) for a city …………E-54
To swap your Home Time and World Time Cities …………………………E-55
Using the Stopwatch …………………………………………………………………E-57
To enter the Stopwatch Mode …………………………………………………E-57
To perform an elapsed time operation ………………………………………E-58
To pause at a split time …………………………………………………………E-58
To measure two finishes ………………………………………………………E-58
E-7
E-9
Operation Guide 5580
Using the Countdown Timer ………………………………………………………… E-60
To enter the Countdown Timer Mode …………………………………………E-60
To specify the countdown start time ………………………………………… E-60
To perform a countdown timer operation ……………………………………E-62
To stop the alarm ………………………………………………………………E-62
Using the Alarm ……………………………………………………………………… E-63
To enter the Alarm Mode ………………………………………………………E-63
To set an alarm time ……………………………………………………………E-64
To test the alarm ………………………………………………………………E-65
To turn an alarm and the Hourly Time Signal on and off……………………E-66
To stop the alarm ………………………………………………………………E-66
Illumination ……………………………………………………………………………E-68
To turn on illumination manually ………………………………………………E-68
To change the illumination duration …………………………………………E-69
To turn the auto light switch on and off ………………………………………E-73
E-10
Charging the Watch
The face of the watch is a solar panel that generates power from light. The generated
power charges a built-in rechargeable battery, which powers watch operations. The
watch charges whenever it is exposed to light.
Charging Guide
Whenever you are not
wearing the watch, leave it
in a location where it is
exposed to light.
• Best charging
performance is achieved
by exposing the watch to
the strongest light
available.
E-12
• 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 power to run down.
Expose the watch to bright light whenever possible.
Power Levels
You can get an idea of the watch’s power level by observing the battery power
indicator in the lower digital dial.
Battery power indicator
E-14
When wearing the watch,
make sure that its face is
not blocked from light by the
sleeve of your clothing.
• The watch may enter a
sleep state (page E-19) if its
face is blocked by your
sleeve even only partially.
Hand Home Position Adjustment ………………………………………………… E-76
To adjust home positions manually……………………………………………E-76
Moving the Hands for Easy Viewing of the Digital Dials ………………………E-79
To move the hands to view a digital dial ……………………………………E-80
To return the hands to their normal positions ………………………………E-81
Other Settings …………………………………………………………………………E-82
To turn the button operation tone on and off …………………………………E-82
To turn Power Saving on and off ………………………………………………E-84
Troubleshooting ………………………………………………………………………E-86
Specifications …………………………………………………………………………E-93
Operating Precautions ………………………………………………………………E-96
User Maintenance ………………………………………………………………… E-106
E-11
Warning!
Leaving the watch in bright light for charging 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
Important!
• Allowing the watch to become very hot can cause the digital displays to black out.
The appearance of the LCD should become normal again when the watch returns
to a lower temperature.
• Turn on the watch’s Power Saving function (page E-19) and keep it in an area normally
exposed to bright light when storing it for long periods. This helps to ensure that
power does not run down.
E-13
Level Battery Power Indicator Function Status
1
(H)
2
(M)
3
(L and
LOW)
4
(CHG)
5 All functions disabled.
• The flashing
and that exposure to bright light for charging is required as soon as possible.
LOW
message at Level 3 (L) tells you that battery power is very low,
All functions enabled.
All functions enabled.
Auto and manual receive, illumination, and beeper
disabled.
Except for Timekeeping Mode, all other modes
disabled.
All functions and display indicators disabled except
for timekeeping and display of
lower digital dial.
Hour and minute hands stopped at 12 o’clock.
CHG
(charge) in the
E-15
• At Level 5, all functions are disabled and settings return to their initial factory
defaults. Once the battery reaches Level 2 (M) after falling to Level 5, reconfigure
the current time, date, and other settings.
• Display indicators reappear as soon as the battery is charged from Level 5 to Level
2 (M).
• Leaving the watch exposed to direct sunlight or some other very strong light source
can cause the battery power indicator to show a reading temporarily that is higher
than the actual battery level. The correct battery level should be indicated after a
few minutes.
• The current time and all other settings return to their initial factory defaults whenever
battery power drops to Level 5 and when you have the battery replaced.
E-16
Charging Times
Exposure Level
(Brightness)
Outdoor sunlight
(50,000 lux)
Window sunlight
(10,000 lux)
Window sunlight on
cloudy day (5,000 lux)
Indoor fluorescent
lighting (500 lux)
*1 Approximate exposure each day to generate power for normal daily operation.
*2 Approximate exposure time (in hours) required to take power up one level.
E-18
Daily
Operation
Level 5 Level 4 Level 3 Level 2 Level 1
*1
8 min. 3 hours 24 hours 7 hours
30 min. 7 hours 89 hours 24 hours
48 min. 11 hours
8 hours 139 hours – – – – – –
Level Change *2
143 hours
39 hours
Power Recovery Mode
• Performing multiple illumination, beeper, and/or high-speed hand movement
operation during a short period may cause all of the battery power indicators (H, M,
and L) to start flashing in the lower digital dial. This indicates that the watch is in the
power recovery mode. Illumination, alarm, countdown timer alarm, and hourly time
signal operations will be disabled until battery power recovers.
• Battery power will recover in about 15 minutes. At this time, the battery power
indicators (H, M, L) will stop flashing. This indicates that the functions listed above
are enabled again.
• If all of the battery power indicators (H, M, L) are flashing and the
message also is flashing, it means the battery level is very low. Expose the watch to
bright light as soon as possible.
• Frequent flashing of all of the battery power indicators (H, M, L) probably means
that remaining battery power is low. Leave the watch in bright light to allow it to
charge.
• The above exposure times all are for reference only. Actual exposure times depend
on lighting conditions.
• For details about the operating time and daily operating conditions, see the “Power
Supply” (page E-95) section of the Specifications.
Power Saving
When turned on, 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.
• For information about enabling and disabling power saving, see “To turn Power
Saving on and off” (page E-84).
• There actually are two sleep state levels: “display sleep” and “function sleep”.
CHG
(charge)
E-17
E-19
Operation Guide 5580
Elapsed Time in Dark Digital Dials Operation
60 to 70 minutes (display sleep) Blank
6 or 7 days (function sleep) Blank
• The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is
already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep
state.
• The watch will not enter a sleep state while it is in the Stopwatch Mode or
Countdown Timer Mode.
To recover from the sleep state
Move the watch to a well-lit area or press any button.
E-20
If your Home City Code setting is this:
LIS, LON, MAD, PAR, ROM, BER, STO, ATH,
MOW
HKG, BJS Shangqiu City (China)
TPE, SEL, TYO Fukushima (Japan), Fukuoka/Saga (Japan)
HNL, ANC, YVR, LAX, YEA, DEN, MEX, CHI,
NYC, YHZ, YYT
Important!
• The areas covered by
transmitters, so certain conditions may cause reception problems.
HKG
• When
adjusted according to the time calibration signal. You need to switch manually
between standard time and daylight saving time (DST) if required. See “To
configure Home City settings” (page E-42) for information about how to do this.
E-22
500 kilometers
Fukuoka/Saga
Signals are receivable in the Taiwan area
when reception conditions are good.
E-24
MOW, HNL
BJS
or
is selected as the Home City, only the time and date are
Japanese Signals Chinese Signal
Fukushima
1,000 kilometers
Digital dials are off, but all functions are
enabled.
Hour and minute hands stop at
12 o’clock. All functions are disabled,
but timekeeping is maintained.
The watch can receive the signal from the
transmitter located here:
Anthorn (England), Mainflingen (Germany)
Fort Collins, Colorado (United States)
ANC
and
are quite far from the calibration signal
Changchun500 kilometers
1,500 kilometers
Beijing
Shangqiu
Shanghai
Chengdu
Hong Kong
Radio Controlled Atomic Timekeeping
This watch receives a time calibration signal and updates its time setting accordingly.
However, when using the watch outside of areas covered by time calibration signals,
you will have to adjust the settings manually as required. See “Configuring Current
Time and Date Settings Manually” (page E-48) for more information.
This section explains how the watch updates its time settings when the city code
selected as the Home City is in Japan, North America, Europe, or China, and is one
that supports time calibration signal reception.
E-21
Approximate Reception Ranges
UK and German Signals North American Signal
Anthorn
500 kilometers
1,500 kilometers
The Anthorn signal is receivable
within this area.
• Even when the watch is within range of a transmitter, signal reception may be
impossible due to the effects of geographic contours, structures, weather, the time
of year, the time of day, radio interference, etc. The signal becomes weaker at
distances of approximately 500 kilometers, which means that the influence of the
conditions listed above becomes even greater.
• Signal reception may not be possible at the distances noted below during certain
times of the year or day. Radio interference may also cause problems with
reception.
–
Mainflingen (Germany) or Anthorn (England) transmitters: 500 kilometers (310 miles)
–
Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)
–
Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles)
–
Shangqiu (China) transmitter: 500 kilometers (310 miles)
• As of July 2016, China does not use Daylight Saving Time (DST). If China does go
to the Daylight Saving Time system in the future, some functions of this watch may
no longer operate correctly.
Mainflingen
2,000 miles
(3,000 kilometers)
600 miles
(1,000 kilometers)
Fort Collins
E-23
E-25
To get ready for a receive operation
1. Confirm that the watch is in the Timekeeping Mode. If it isn’t, use C to enter the
Timekeeping Mode (page E-38).
2. The antenna of this watch is located on its 12 o’clock side. Position the watch with
12 o’clock facing towards a window as shown in the nearby illustration. Make sure
there are no metal objects nearby.
12 o’clock
or
E-26
3. What you should do next depends on whether you are using Auto Receive or
Manual Receive.
• Auto Receive: Leave the watch over night in the location you selected in step 2.
See “Auto Receive” below for details.
• Manual Receive: Perform the operation under “To perform manual receive” on
page E-29.
Auto Receive
• With Auto Receive, the watch performs the receive operation each day
automatically up to six times (up to five times for the Chinese calibration signal)
between the hours of midnight and 5 a.m. (according to the Timekeeping Mode
time). When any receive operation is successful, none of the other receive
operations for that day are performed.
• When a calibration time is reached, the watch will perform the receive operation
only if it is in the Timekeeping Mode or World Time Mode. The receive operation is
not performed if a calibration time is reached while you are configuring settings,
while a countdown timer operation is in progress, or while the hands have been
moved for easier viewing of the digital dials (page E-80).
E-28
• Signal reception normally is better at
night.
• The receive operation takes from three
to eight minutes, but in some cases it
can take as long as 16 minutes. Take
care that you do not perform any
button operation or move the watch
during this time.
• Signal reception may be difficult or even impossible under the conditions described
below.
Inside or
among
buildings
• You can use the procedure under “To turn auto receive on and off” (page E-34) to
enable or disable auto receive.
To perform manual receive
Receiving
RCVD indicator
Inside a
vehicle
Near
household
appliances,
office
equipment,
or a mobile
phone
In the Timekeeping Mode, hold down D until the watch
beeps.
• A signal level indicator (L1, L2, or L3, see page E-32)
appears in the lower digital dial after reception starts.
Do not move the watch or perform any button operation
until
GET
or
Near a
construction
site, airport,
or other
sources of
electrical
noise
ERR
Near
high-tension
power lines
appears in the right digital dial.
Among or
behind
mountains
E-27
E-29
Operation Guide 5580
Receive successful
E-30
Signal Level Indicator
Signal level indicator
E-32
To turn auto receive on and off
RCVD indicator
On/Off status
• If the receive operation is successful, the reception date
and time appear in the left digital dial. The watch will
return to the Timekeeping Mode if you press D or if
you do not perform any button operation for about one
or two minutes.
During manual receive, the lower digital dial shows a
signal level indicator as shown below.
(Unstable)
As you watch the indicator, keep the watch in a location
that best maintains stable reception.
• Even under optimum reception conditions, it can take
about 10 seconds for reception to stabilize.
• Note that weather, the time of day, surroundings, and
other factors all can affect reception.
1. In the Timekeeping Mode, press D (page E-41).
2. Hold down A until the current auto receive setting (On
3. Press D to toggle between auto receive on (On) and
Weak
OFF
or
) and RCVD indicator start to flash. This is the
setting mode.
• Whenever you enter the setting mode, the analog
hands will automatically move to positions that allow
easier viewing of the digital dials.
• Note that the watch will not enter the setting mode if
the currently selected Home City is one that does not
support time calibration reception.
OFF
off (
).
Strong
(Stable)
Receive failed
If there was a previously
successful reception
To check the latest signal reception results
4. Press A to exit the setting mode.
• Exiting a setting mode will normally cause the hands to return to regular
timekeeping automatically. However, if you manually move the hands (page E-80)
and then enter a setting mode, they will not return to regular timekeeping
automatically when you exit the setting mode. In this case, you will need to return
the hands to their normal positions manually (page E-81).
Radio-controlled Atomic Timekeeping Precautions
• Strong electrostatic charge can result in the wrong time setting.
• Even if a receive operation is successful, certain conditions can cause the time
setting to be off by up to one second.
• The watch is designed to update the date and day of the week automatically for the
period January 1, 2000 to December 31, 2099. Updating of the date by signal
reception will no longer be performed starting from January 1, 2100.
• If you are in an area where signal reception is not possible, the watch keeps time
with the precision noted in “Specifications” (page E-93).
• If the current reception fails but a previous reception
(within the last 24 hours) was successful, the right
digital dial will show RCVD and
displayed (without RCVD), it means that all of the
receive operations over the past 24 hours have failed.
The watch will return to the Timekeeping Mode without
changing the time setting if you press D or if you do
not perform any button operation for about one or two
minutes.
Note
• To interrupt a receive operation and return to the
Timekeeping Mode, press any button.
In the Timekeeping Mode, press D (page E-41).
• When receive is successful, the left digital dial shows
the time and date that receive was successful.
-:--
indicates that none of the receive operations were
successful.
• To return to the Timekeeping Mode, press D.
Note
• RCVD will not be displayed in the right digital dial if you
have adjusted the time or date setting manually since
the last receive operation.
ERR
. If only
ERR
is
E-31
E-33
E-34
• The receive operation is disabled under any of the following conditions.
–
While power is at Level 3 (L) or lower (page E-15)
–
While the watch is in the power recovery mode (page E-17)
–
When the watch is in the function sleep state (“Power Saving”, page E-19)
–
While a countdown timer operation is in progress (page E-60)
–
While the hands are in positions to allow easier viewing of the digital dials (page E-80)
• A receive operation is cancelled if an alarm sounds while it is being performed.
• The Home City setting reverts to the initial default of
battery power level drops to Level 5 or when you have the rechargeable battery
replaced. If this happens, change the Home City to the setting you want (page E-42).
E-36
Selecting a Mode
• The illustration below shows which buttons you need to press to navigate between
modes.
• To return to the Timekeeping Mode from any other mode, hold down C for at least
four seconds.
Timekeeping Mode World Time Mode
CC
E-38
TYO
(Tokyo) whenever the
E-35
Mode Reference Guide
Your watch has “five modes”. The mode you should select depends on what you want
to do.
To do this: Enter this mode: See:
• View the current date in the Home City
• Configure Home City and daylight saving time (DST)
settings
• Configure time and date settings manually
• Perform a time calibration receive operation
• Check whether the last receive operation was successful
• Switch between 12-hour and 24-hour timekeeping
• Display an alarm countdown
View the current time in one of 48 cities (31 time zones)
around the globe
Use the stopwatch to measure elapsed time Stopwatch Mode E-57
Use the countdown timer Countdown Timer Mode E-60
Set an alarm time Alarm Mode E-63
C
C
Timekeeping Mode E-41
World Time Mode E-53
E-37
Alarm Mode Countdown Timer Mode Stopwatch Mode
C
E-39
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