Casio GM-48S Technical information

MO0801-EA
Operation Guide 3063
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.
Keep the watch exposed to bright light
l
l l l l l l l l l
l
Bright Light
Solar cell
The electricity generated by the solar cell of the watch is
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,
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. Charging is reduced significantly if
the face is only partially covered.
• The actual level at which some functions are disabled depends on the watch model.
• Frequent display illumination can run down the battery quickly and require charging.
The following guidelines give an idea of the charging time required to recover from a
single illumination operation.
Approximately 5 minutes exposure to bright sunlight coming in through a window
Approximately 50 minutes exposure to indoor fluorescent lighting
• Be sure to read “Power Supply” for important information you need to know
when exposing the watch to bright light.
If the display of the watch is blank...
If the display of the watch is blank, it means that the watch’s Power Saving function
has turned off the display to conserve power.
• See “Power Saving Function” for more information.
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 sample displays
in this manual are shown using dark figures on a light
background.
• 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.
• 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 result in 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.
Bright Light
Solar cell
(Converts light to
electrical power.)
Electrical
energy
LEVEL 1
LEVEL 2
All
functions
enabled
LEVEL 1
LEVEL 2
LEVEL 3
Dis- LEVEL 3
charge LEVEL 4
Charge LEVEL 4
Some
functions
disabled
Rechargeable battery
Stopwatch Mode
World Time Mode
General Guide
▲
Timekeeping Mode
▲
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press B to illuminate
the display for about one second.
Press C.
▲
Countdown Timer Mode
▲
▲
Alarm Mode
Radio-controlled Atomic Timekeeping
This watch receives a time calibration signal and updates
its time setting accordingly.
• Supported time calibration signals: Germany
(Mainflingen), England (Anthorn), United States (Fort
Collins), Japan.
• See the information under “Signal Reception
Troubleshooting” if you experience problems with time
calibration signal reception.
Day of week
Month – Day
Home Time
(Hour : Minutes
Seconds)
PM indicator
Current Time Setting
This watch adjusts its time setting automatically in accordance with a time calibration
signal. You also can 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 City (the city where you normally will use the watch). For more
information, see “To specify your Home City”.
• When using the watch outside the areas covered by the time signal transmitters, you
will have to adjust the current time setting manually as required. See “Timekeeping”
for more information about manual time settings.
• The U.S. time calibration signal can be picked up by the watch while in North
America. The term “North America” in this manual refers to the area that consists of
Canada, the continental United States, and Mexico.
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To specify your Home City
1. In the Timekeeping Mode, hold down A until the city
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code starts to flash. This is the setting screen.
2. Press D (east) and B (west) to select the city code
you want to use as your Home City.
• Time calibration signal reception is supported when
any one of the city codes shown in the table below is
selected as your Home City.
Important!
• Normally, your watch should show the correct time as soon as you select your Home
City code. If it does not, it should adjust automatically after the next auto receive
operation (in the middle of the night). You also can perform manual receive or you
can set the time manually.
• 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 city codes and transmitters, see “Home
City Codes and Transmitters”.
• Under factory default settings, auto receive is turned off for all of the following city
codes: MOW (Moscow), HKG (Hong Kong), BJS (Beijing), HNL (Honolulu), and
ANC (Anchorage). For details about turning on auto receive for these city codes, see
“To turn auto receive on and off”.
• You can disable time signal reception, if you want. See “To turn auto receive on and
off” for more information.
• See the maps under “Approximate Reception Ranges” for information about the
reception ranges of the watch.
• If you are in an area that does not use Daylight Saving Time (summertime), turn off
the DST setting.
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 12 o’clock side facing towards a window.
This watch is designed to receive a time calibration signal late at night. Because of
this, you should place the watch near a window as shown in the illustration when you
take it off at night. Make sure there are no metal objects nearby.
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City code
German/U.K. Signal
City City
City City
Code Name
Code Name
LIS
Lisbon
ATH Athens
LON London
MOW Moscow
MAD Madrid
PAR Paris
ROM Rome
BER Berlin
STO Stockholm
Japan Signal
City City
Code Name
HKG Hong Kong
BJS Beijing
TPE Taipei
SEL Seoul
TYO Tokyo
3. Press A to exit the setting screen.
City
Code
HNL
ANC
YVR
LAX
YEA
DEN
MEX
U.S. Signal
City
City
Name
Code
Honolulu
YWG
Anchorage CHI
Vancouver
MIA
Los Angeles YTO
Edmonton
NYC
Denver
YHZ
Mexico City YYT
City
Name
Winnipeg
Chicago
Miami
Toronto
New York
Halifax
St. Johns
12 o’clock
or
• Make sure the watch is facing the right way.
1
Operation Guide 3063
• Proper signal reception can be difficult or even impossible under the conditions listed
below.
Inside or
among
buildings
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
• Signal reception normally is better at night than during the day.
• Time calibration signal reception takes from one 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.
• The time calibration signal the watch will attempt to pick up depends on its current
Home City code setting as shown below. If you use the watch in Japan or Europe
(each of which has two different transmitter locations), it will try to receive the time
calibration signal from one of the transmitters in your current location. If it cannot
receive the signal, it will then try to receive the time calibration signal from the other
transmitter.
Note
• When a calibration time is reached, the watch will receive the signal only if it is in
either the Timekeeping Mode or World Time Mode. Reception is not performed if a
calibration time is reached while you are configuring settings, or while a countdown
operation is in progress.
• Auto receive 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 takes from one to 14 minutes to receive the time calibration signal
whenever a calibration time is reached. Avoid performing any button operation within
14 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 actually is the correct time.
About the Level Indicator
The level indicator shows the strength of the calibration signal being received. For best
reception, be sure to keep the watch in a location where signal strength is strongest.
Level indicator
Home City Codes and Transmitters
Weak
(Level 0)
Frequency
40.0 kHz
60.0 kHz
Fort Collins, Colorado
(the United States)
60.0 kHz
* The areas covered by the MOW, HKG, BJS, HNL, and ANC city codes are quite
far from the time calibration signal transmitters, and so certain conditions may
cause problems with signal reception.
Approximate Reception Ranges
U.S. Signal
U.K. and German Signals
2,000 miles
(3,000 kilometers)
1,500 kilometers
Mainflingen
600 miles
(1,000 kilometers)
Anthorn
Fort Collins
500 kilometers
500 kilometers
500 kilometers
Fukushima
Fukuoka/Saga
1,000 kilometers
1,000 kilometers
Japan Signal
• 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)
• 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.
Your Home City
LIS, LON
ATH
MOW
HKG, BJS, TPE,
SEL, TYO
HNL, ANC, YVR,
LAX, YEA, DEN,
MEX, YWG, CHI,
MIA, YTO, NYC,
YHZ, YYT
Auto Receive Start Times
1
2
3
4
5
6
1:00 am 2:00 am 3:00 am 4:00 am 5:00 am Midnight*
2:00 am 3:00 am 4:00 am 5:00 am Midnight* 1:00 am*
2:00 am 3:00 am 4:00 am 5:00 am Midnight* 1:00 am*
3:00 am 4:00 am 5:00 am Midnight* 1:00 am* 2:00 am*
3:00 am 4:00 am 5:00 am Midnight* 1:00 am* 2:00 am*
4:00 am 5:00 am Midnight* 1:00 am* 2:00 am* 3:00 am*
4:00 am 5:00 am Midnight* 1:00 am* 2:00 am* 3:00 am*
5:00 am Midnight* 1:00 am* 2:00 am* 3:00 am* 4:00 am*
Midnight 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am
Standard Time
Daylight
Midnight 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am
Saving Time
To turn auto receive on and off
1. In the Timekeeping Mode, press D to display the Last
Signal screen.
2. Hold down A until the current auto receive setting (on
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and OFF) flashes on the display. This is the setting
screen.
• Note that the setting screen will not appear if the
currently selected Home City is one that does not
support time calibration reception.
▲
On/Off
3. Press D to toggle auto receive on (on) and off (OFF).
status
4. Press A to exit the setting screen.
• For information about city codes that support signal
receive, see “To specify your Home City”.
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MAD, PAR, ROM,
BER, STO
Standard Time
Daylight
Saving Time
Standard Time
Daylight
Saving Time
Standard Time
Daylight
Saving Time
Standard Time
Daylight
Saving Time
Standard Time
To perform manual receive
1. Enter the Timekeeping Mode.
Receiving
2. Place the watch on a stable surface so its 12 o’clock
side is facing towards a window.
3. Hold down D for about two seconds until RC! appears
on the display.
• Time calibration signal reception takes from one 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.
Receive successful
• If the receive operation is successful, the reception date
Receive date and time appear on the display, along with the GET
indicator.
The watch will enter the Timekeeping Mode if you press
D or if you do not perform any button operation for
about two or three minutes.
• If the current reception fails but a previous reception was
successful, the display shows the previous reception’s
date and time, and the ERR indicator.
Receive time
- - : - - indicates that none of the reception operations
were successful.
Receive failed
The watch will enter the Timekeeping Mode without
changing the time setting if you press D or if you do not
perform any button operation for about two or three
minutes.
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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 City, and whether standard time or Daylight Saving Time is selected
for your Home City.
• Use the level indicator as a guide for checking signal strength and for finding the
best level for the watch during signal receive operations.
• Even in an area where signal strength is strong, it takes about 10 seconds for signal
reception to stabilize enough for the level indicator to indicate signal strength.
• Following reception of the time calibration signal and calibration of the watch’s time
setting, the “signal received” indicator (RCVD) will remain on the display in all
modes.
• The signal received indicator (RCVD) is displayed only when the watch is able to
receive both time and date data successfully. It does not appear when only time data
is received.
• The signal received indicator (RCVD) indicates that at least one of the auto
calibration signal receive operations was successful, even if other receive operations
failed.
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Fukushima (Japan)
Fukuoka/Saga (Japan)
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60.0 kHz
77.5 kHz
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Anthorn (England)
Mainflingen (Germany)
Strong
(Level 3)
▲
Transmitter
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Home City Code
LIS, LON,
MAD, PAR, ROM, BER,
STO, ATH, MOW*
HKG*, BJS*, TPE,
SEL, TYO
HNL*, ANC*, YVR,
LAX, YEA, DEN, MEX,
YWG, CHI, MIA, YTO,
NYC,YHZ, YYT
To check the latest signal reception results
1. In the Timekeeping Mode, press D to display the Last
Signal screen.
• If a previous reception was successful, the display
shows its time and date. - - : - - indicates that none of
the reception operations were successful.
• To return to the Timekeeping Mode, press D.
Receive date
* Next day
Receive time
2
Operation Guide 3063
Countdown Timer
Signal Reception Troubleshooting
Timekeeping Mode time
Check the following points whenever you experience problems with signal reception.
Problem
Probable Cause
Cannot perform • The watch is not in the Timekeeping Mode.
manual receive. • Your current Home City is not one of the
following:
LIS, LON, MAD, PAR, ROM, BER, STO,
ATH, MOW, HKG, BJS, TPE, SEL, TYO,
HNL, ANC, YVR, LAX, YEA, DEN, MEX,
YWG, CHI, MIA, YTO, NYC, YHZ, or
YYT
Time setting is
• If the time is one hour off, the DST
incorrect
setting may be incorrect.
following signal • The Home City code setting is not
reception.
correct for the area where you are using
the watch.
What you should do
• Enter the Timekeeping Mode
and try again.
• Select one of the city codes
shown to the left as your
Home City.
Minutes
• Change the DST setting to
Auto DST.
• Select the correct Home City
code.
• For further information, see “Important!” under “Time Calibration Signal Reception”
and “Radio-controlled Atomic Timekeeping Precautions”.
World Time
The World Time Mode shows you the current time in 48
cities (29 time zones) around the world.
• If the current time shown for a city is wrong, check your
Home City time settings and make the necessary
changes.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
1/10 second
Seconds
To use the countdown timer
Press D while in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached, the alarm sounds for 10 seconds or until
you stop it by pressing any button. The countdown time is reset automatically to its
starting value after the alarm stops.
• Press D while a countdown operation is in progress to pause it. Press D again to
resume the countdown.
• To stop a countdown operation completely, first pause it (by pressing D), and then
press A. This returns the countdown time to its starting value.
Alarms
While in the World Time Mode, press D to scroll
eastward through the city codes (time zones).
• For full information on city codes, see the “City Code
Table”.
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, press D (eastward) to scroll
through city codes until the one that you want to switch
is displayed.
2. Hold down A to toggle between Daylight Saving Time
(DST indicator displayed) and Standard Time (DST
indicator not displayed).
• The DST indicator will appear whenever you display a
city code for which Daylight Saving Time is turned on.
• Note that the DST/Standard Time setting affects only the
DST indicator
currently displayed city code. Other city codes are not
affected.
Alarm number
Alarm time
(Hour : Minutes)
Timekeeping
Mode time
To measure times with the stopwatch
1. In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
Start
➤D
Re-start
➤D
Stop
➤D
Stop
➤A
Clear
Split Time
D
Start
➤A
Split
➤A
Split release
➤D
Stop
➤A
Clear
➤D
Stop
➤A
Split release
➤A
Clear
(SPL displayed)
Two Finishes
D
Start
➤A
Split
First runner finishes.
Display time of first
runner.
x1
x2
x3
:00
x5
x4
• You can configure Alarm1 as a snooze alarm or a one-time alarm. Alarms 2
through 5 can be used as one-time alarms only.
• The snooze alarm repeats every five minutes.
2. After you select an alarm, hold down A until the hour setting of the alarm time
starts to flash. This indicates the setting screen.
3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (–) to change it.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (no indicator) or p.m. (P indicator).
5. Press A to exit the setting screen.
Alarm Operation
Elapsed Time
D
You can set five independent Daily Alarms. When an
alarm is turned on, the alarm tone sounds when the alarm
time is reached. One of the alarms can be configured as a
snooze alarm or a one-time alarm, while the other four are
one-time alarms.
You also can turn on an hourly time signal that causes the
watch to beep twice every hour on the hour.
• There are five alarm screens numbered 1 through 5.
The hourly time signal screen is indicated by :00
• When you enter the Alarm Mode, the screen you were
viewing when you last exited the mode appears first.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
To set an alarm time
Stopwatch
The stopwatch lets you measure elapsed time, split times,
Hours
and two finishes. It also includes Auto-Start.
• The display range of the stopwatch is 999 hours,
59 minutes, 59.99 seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
Minutes
1/100 second
elapsed time measurement.
Seconds
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
To set the countdown start time
1. While the countdown start time is on the display in the
Countdown Timer Mode, hold down A until the current
countdown start time starts to flash, which indicates the
setting screen.
• If the countdown start time is not displayed, use the procedure under “To use the
countdown timer” to display it.
2. While a setting is flashing, use D (+) and B (–) to change it.
3. Press A to exit the setting screen.
City code To view the time in another city
Current time in
selected city
You can set the countdown timer within a range of one to
60 minutes. An alarm sounds when the countdown
reaches zero.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
Second runner
finishes.
Display time of
second runner.
About Auto-Start
With Auto-Start, the watch performs a 5-second countdown, and stopwatch operation
starts automatically when the countdown reaches zero.
During the final three seconds of the countdown, a beeper sounds with each second.
To use Auto-Start
1. While the stopwatch screen is showing all zeros in the
Stopwatch Mode, press A.
• This displays a 5-second countdown screen.
• To return to the all zeros screen, press A again.
2. Press D to start the countdown.
• When the countdown reaches zero, a tone sounds and a
stopwatch timing operation starts automatically.
• Pressing D while the Auto-Start countdown is in
progress starts the stopwatch immediately.
The alarm sounds at the preset time for about 10 seconds. In the case of the snooze
alarm, the alarm operation is performed a total of seven times, every five minutes, or
until you turn the alarm off or change it to a one-time alarm.
Note
• Pressing any button stops the alarm tone operation.
• Performing any one of the following operations during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the Alarm1 setting screen
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn Alarms 2 through 5 on and off
1. In the Alarm Mode, use D to select a one-time alarm
(alarm number 2 through 5).
2. Press A to toggle the displayed alarm on and off.
• Turning on a one-time alarm (2 through 5) displays the
one-time alarm on indicator on its screen.
• The one-time alarm on indicator is displayed in all
modes.
• If any alarm is on, the one-time alarm on indicator is
shown on the display in all modes.
One-time alarm on
indicator
To select the operation of Alarm1
1. In the Alarm Mode, use D to select Alarm1.
2. Press A to cycle through the available settings in the sequence shown below.
Snooze alarm on indicator and one-time alarm on indicator
One-time alarm on
Snooze alarm on
Alarm off
• The applicable indicator is displayed in all modes when an alarm is turned on.
• The snooze alarm on indicator flashes during the 5-minute intervals between
alarms.
• Displaying the Alarm1 setting screen while the snooze alarm is turned on turns off
the snooze alarm automatically (making Alarm1 a one-time alarm).
3
Operation Guide 3063
To turn the hourly time signal on and off
1. In the Alarm Mode, use D to select the hourly time
signal (:00).
2. Press A to toggle it on and off.
• Turning on the hourly time signal displays the hourly
time signal on indicator.
• The hourly time signal on indicator is displayed in all
modes when the hourly time signal is turned on.
Battery Power Indicator
The battery power indicator shows you the current power level of the rechargeable
battery.
Level Battery Power Indicator
Function Status
1
All functions enabled.
2
All functions enabled.
3
Hourly time signal on
indicator
(Charge Soon Alert)
ll
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Auto light switch indicator
ll
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Battery power indicator
4
Illumination
(Charge Soon Alert)
The watch has an EL (electro-luminescent) panel that
causes the entire display to glow for easy reading in the
dark. The watch’s auto light switch illuminates the display
automatically when you angle the watch towards your
face.
• The auto light switch must be turned on (indicated by
the auto light switch indicator) for it to operate.
• See “Illumination Precautions” for other important
information.
To turn on illumination manually
In any mode, press B to illuminate the display for about
one second.
• The above operation turns on illumination regardless of
the current auto light switch setting.
About the Auto Light Switch
Turning on the auto light switch causes illumination to turn on whenever you position
your wrist as described below in any mode. Note that this watch features a “Full Auto
EL Light,” so the auto light switch operates only when available light is below a certain
level. It does not illuminate the display under bright light.
Moving the watch to a position that is parallel to the ground and then tilting it
towards you at more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of your wrist.
Parallel to
ground
More than
40°
Warning!
• Always make sure you are in a safe place whenever you are reading the watch
using the auto light switch. Be especially careful when running or engaged in
any other activity that can result in accident or injury. Also take care that
sudden illumination by the auto light switch does not startle or distract others
around you.
• When you are wearing the watch, make sure that its auto light switch is turned
off before riding on a bicycle, or operating a motorcycle or any other motor
vehicle. Sudden and unintended operation of the auto light switch can create a
distraction, which can result in a traffic accident and serious personal injury.
To turn the auto light switch on and off
In the Timekeeping Mode (except when a setting screen is on the display), hold down
B for about three seconds to toggle the auto light switch on (A.EL displayed) and off
(A.EL not displayed).
• The auto light switch indicator remains in all modes while the auto light switch is
turned on.
5
Alarm, hourly time signal, beeper,
illumination and time calibration
signal reception disabled.
Display, alarm, hourly time
signal, beeper, illumination
and time calibration signal
reception disabled.
All functions, including
timekeeping, disabled and
initialized.
• The low power indicator (L) flashes on the display in the Timekeeping Mode when
battery is at Level 3.
• The low power indicator (L) at Level 3 and the flashing charge indicator (CHG) at
Level 4 tell you that battery power is very low, and that exposure to bright light for
charging is required as soon as possible.
• At Level 5, all functions are disabled and settings return to their initial factory
defaults. Functions are enabled once again after the rechargeable battery is
charged, but you need to set the time and date, after the battery reaches Level 4
(indicated by the flashing charge indicator (CHG)) from Level 5. You will not be able
to configure any of the other settings until the battery reaches Level 3 (no charge
indicator) after dropping to Level 5.
• Leaving the watch in direct sunlight or some other very strong light source can
cause the battery power indicator to show a reading that is momentarily higher than
the actual battery level. The correct battery power indicator should appear after a
few minutes.
• If you use the illumination or alarms a number of times during a short period, all of
the battery power indicators (L, M, H) will flash and the following operations will
become disabled until battery power recovers.
Illumination
Beeper tone
Time calibration signal reception
After some time, battery power will recover and the battery power indicators will stop
flashing, which indicates that the above functions are enabled again.
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.
Also note that allowing the watch to become very hot can cause its liquid crystal
display to black out. The appearance of the LCD should become normal again when
the watch returns to a lower temperature.
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 eight 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)
Approximate Exposure Time
Outdoor Sunlight (50,000 lux)
5 minutes
Power Supply
Sunlight Through a Window (10,000 lux)
24 minutes
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.
Daylight Through a Window on a Cloudy Day
(5,000 lux)
48 minutes
Indoor Fluorescent Lighting (500 lux)
8 hours
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. Charging is reduced
significantly if the face is only partially
covered.
Solar cell
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 5 Level 4 Level 3
Level 2
Level 1
▲
▲
▲
Outdoor Sunlight
(50,000 lux)
Sunlight Through a Window
(10,000 lux)
▲
▲
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 5 and when you have the battery replaced.
• Turn on the watch’s Power Saving function and keep it in an area normally exposed
to bright light when storing it for long periods. This helps to keep the rechargeable
battery from going dead.
• Since these are the specs, we can include all the technical details.
• Display on 18 hours per day, sleep state 6 hours per day
• 1 illumination operation (1.5 seconds) per day
• 10 seconds of alarm operation per day
• 10 minutes of signal reception per day
• Stable operation is promoted by frequent exposure to light.
2 hours
42 hours
12 hours
6 hours
158 hours
44 hours
Daylight Through a Window
on a Cloudy Day (5,000 lux)
11 hours
256 hours
71 hours
Indoor Fluorescent Lighting
(500 lux)
119 hours
–––
• The above exposure time values are all for reference only. Actual required exposure
times depend on lighting conditions.
4
Operation Guide 3063
Timekeeping
Reference
Use the Timekeeping Mode to set and view the current time and date.
• When setting the time, you also can configure settings for the 12/24-hour format,
and power saving on/off, and you can specify the screens that are displayed in the
Timekeeping Mode.
• Pressing D in the Timekeeping Mode will display the Last Signal screen.
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.
Day of the Week/Date Screen
Button Operation Tone
The button operation tone sounds any time you press one
of the watch’s buttons. You can turn the button operation
tone on or off as desired.
• Even if you turn off the button operation tone, the alarm,
hourly time signal, and Countdown Timer Mode alarm
all operate normally.
Last Signal Screen
▲
▲
Press D.
Mute indicator
Setting the Time and Date Manually
Make sure you select your Home City code before you change the current time and
date settings. World Time Mode times are all displayed in accordance with the
Timekeeping Mode settings. Because of this, World Time Mode times will not be
correct if you do not select the proper Home City code before setting the time and
date in the Timekeeping Mode.
• Since the C button is also the mode change button, holding it down to turn the
button operation tone on or off also causes the watch’s current mode to change.
• The mute indicator ( ) is displayed in all modes when the button operation tone is
turned off.
Power Saving Function
When turned on, the Power Saving function enters a sleep
state automatically whenever the watch is left in an area
where it is dark for a certain period. The table below
shows how watch functions are affected by the Power
Saving function.
lll
To set the time and date manually
1. In the Timekeeping Mode, hold down A until the city
l l ll l
code starts to flash, which indicates the setting screen.
2. Press C to change the flashing contents in the
sequence shown below to select other settings.
lll
To turn the button operation tone on and off
In any mode (except when a setting screen is on the
display), hold down C to toggle the button operation tone
on (mute indicator not displayed) and off (mute indicator
displayed).
lllll
Power saving indicator
City code
12/24-Hour
Format
Power
Saving
Day
Month
Seconds
Hour
Year
Minutes
3. When the setting you want to change is flashing, use B and/or D to change it as
described below.
Screen:
To do this:
Do this:
Change the city code
Use D (east) and B (west).
Press D.
Cycle between auto DST (
),
Standard Time (
), and Daylight
Saving Time (
)
Toggle between 12-hour (12H) and Press D.
24-hour (24H) timekeeping
Reset the seconds to
Press D.
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.
Use D (+) and B (–).
lll
Change the year, month, or day
Toggle Power Saving on (
off (
)
) and
Press D.
• See “City Code Table” for a complete list of available city codes.
• Auto DST (
) can be selected only while LIS, LON, MAD, PAR, ROM, BER,
STO, ATH, MOW, HKG, BJS, TPE, SEL, TYO, HNL, ANC, YVR, LAX, YEA, DEN,
MEX, YWG, CHI, MIA, YTO, NYC, YHZ, or YYT is selected as the Home City
code. For more information, see “Daylight Saving Time (DST)” below.
• For information about Power Saving, see “Power Saving Function”.
4. Press A to exit the setting screen.
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the time setting by one hour from
Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
The time calibration signals transmitted from Mainflingen (Germany), Anthorn
(England), or Fort Collins (the United States) include both Standard Time and DST
data. When the Auto DST setting is turned on, the watch switches between Standard
Time and DST (summer time) automatically in accordance with the signals.
• The time calibration signals transmitted from Fukushima and Fukuoka/Saga (Japan)
do not include summer time data.
• The default DST setting is Auto DST (
) whenever you select LIS, LON, MAD,
PAR, ROM, BER, STO, ATH, MOW, HKG, BJS, TPE, SEL, TYO, HNL, ANC, YVR,
LAX, YEA, DEN, MEX, YWG, CHI, MIA, YTO, NYC, YHZ, or YYT as your Home City
code.
• If you experience problems receiving the time calibration signal in your area, it
probably is best to switch between Standard Time and Daylight Saving Time
(summer time) manually.
To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down A until the city code starts to flash, which
indicates the setting screen.
2. Press C and the DST setting screen appears.
3. Use D to cycle through the DST settings in the sequence shown below.
Auto DST (
)
DST off (
)
DST on (
)
4. When the setting you want is selected, press A to exit the setting screen.
• The DST indicator appears to indicate that Daylight Saving Time is turned on.
lll
lll
To turn Power Saving on and off
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
l l ll
llll
2. Press C nine times until the Power Saving on/off
screen appears.
3. Press D to toggle Power Saving on (
) and off
(
).
4. Press A to exit the setting screen.
• The Power Saving indicator (PS) is on the display in all
On/Off status
modes while Power Saving is turned on.
lll
Change the hour or minutes
Operation
All functions enabled, except
for the display
Beeper tone, illumination,
display, and time calibration
signal reception disabled.
• 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 9:59 PM. If the watch
is already in the sleep state when 6:00 AM arrives, however, it will remain in the
sleep state.
• The watch will not enter the sleep state while it is in the Stopwatch Mode or
Countdown Timer Mode.
lll
DST
llll
City Code
Elapsed Time
Display
in Dark
60 to 70 minutes Blank, with Power Saving
indicator (PS) flashing
6 or 7 days
Blank, with Power Saving
indicator (PS) not flashing
Auto Return Features
• If you leave the watch in the Alarm Mode for two or three minutes without performing
any operation, it returns to the Timekeeping Mode automatically.
• If you leave the watch with a flashing setting on the display for two or three minutes
without performing any operation, the watch will exit the setting screen automatically.
Scrolling
The B and D buttons are used in various modes and setting screens to scroll
through data. In most cases, holding down these buttons during a scroll operation
scrolls through the data at high speed.
Initial Screens
When you enter the World Time or Alarm Mode, the data you were viewing when you
last exited the mode appears first.
Radio-controlled Atomic Timekeeping Precautions
• Strong electrostatic charge can result in the wrong time being set.
• The time calibration signal is bounced 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.
• 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 a time
calibration signal will not 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.
• Normally, the signal reception date shown by the Last Signal screen is the date data
included in the received time calibration signal. When only time data is received,
however, the Last Signal screen shows the date as kept in the Timekeeping Mode at
the time of signal reception.
• If you are in an area where proper time calibration signal reception is impossible, the
watch keeps time within ±15 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 current city code, DST (summer
time), and auto receive settings.
5
Operation Guide 3063
City Code Table
Timekeeping
• Resetting the seconds to 00 while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to 00 without changing the minutes.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
• 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 5.
• The times for the Timekeeping Mode and all the city codes of the World Time Mode
are calculated in accordance with each city’s UTC differential.
• The UTC differential is a value that indicates the time difference between a
reference point in Greenwich, England and the time zone where a city is located.
• “UTC” is the abbreviation for “Universal Time Coordinated”, which 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.
12-hour/24-hour Timekeeping Formats
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is also
applied in all other modes.
• With the 12-hour format, the PM indicator (P) appears on the display for times in the
range of noon to 11:59 p.m. and no indicator appears for times in the range of
midnight to 11:59 a.m.
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
Illumination Precautions
• The electro-luminescent panel that provides illumination loses power after very long
use.
• Illumination may be hard to see when viewed under direct sunlight.
• The watch may emit an audible sound whenever the display is illuminated. This is
due to vibration of the EL panel used for illumination, and does not indicate
malfunction.
• Illumination turns off automatically whenever an alarm sounds.
• Frequent use of illumination runs down the battery.
Auto light switch precautions
• The auto light switch is turned off automatically whenever battery power is at Level 4.
• Wearing the watch on the inside of your wrist, movement of your arm, or vibration of
your arm can cause frequent activation of the auto light switch and illumination of the
display. To avoid running down the battery, turn off the auto light switch whenever
engaging in activities that might cause frequent illumination.
• Note that wearing the watch under your sleeve while the auto light switch is turned
on can cause frequent illumination of the display and can run down the battery.
City
Code
City
PPG
HNL
ANC
YVR
LAX
YEA
DEN
MEX
YWG
CHI
MIA
YTO
NYC
CCS
YHZ
YYT
RIO
RAI
LIS
LON
MAD
PAR
ROM
BER
STO
ATH
CAI
JRS
MOW
JED
THR
DXB
KBL
KHI
DEL
DAC
RGN
BKK
HKG
BJS
TPE
SEL
TYO
ADL
GUM
SYD
NOU
WLG
Pago Pago
Honolulu
Anchorage
Vancouver
Los Angeles
Edmonton
Denver
Mexico City
Winnipeg
Chicago
Miami
Toronto
New York
Caracas
Halifax
St. Johns
Rio De Janeiro
Praia
Lisbon
London
Madrid
Paris
Rome
Berlin
Stockholm
Athens
Cairo
Jerusalem
Moscow
Jeddah
Tehran
Dubai
Kabul
Karachi
Delhi
Dhaka
Yangon
Bangkok
Hong Kong
Beijing
Taipei
Seoul
Tokyo
Adelaide
Guam
Sydney
Noumea
Wellington
GMT
Differential
–11.0
–10.0
–09.0
–08.0
Other major cities in same time zone
Papeete
Nome
San Francisco, Las Vegas,
Seattle/Tacoma, Dawson City, Tijuana
–07.0
El Paso, Edmonton, Culiacan
–06.0
Houston, Dallas/Fort Worth, New Orleans
–05.0
Montreal, Detroit, Miami, Boston,
Panama City, Havana, Lima, Bogota
–04.0
La Paz, Santiago, Port Of Spain
–03.5
–03.0
–01.0
Sao Paulo, Buenos Aires, Brasilia, Montevideo
+00.0
Dublin, Casablanca, Dakar, Abidjan
+01.0
Milan, Amsterdam, Algiers, Hamburg, Frankfurt, Vienna
+02.0
Helsinki, Istanbul, Beirut, Damascus,
Cape Town
+03.0
Kuwait, Riyadh, Aden, Addis Ababa, Nairobi
+03.5
+04.0
+04.5
+05.0
+05.5
+06.0
+06.5
+07.0
Shiraz
Abu Dhabi, Muscat
+08.0
Singapore, Kuala Lumpur, Manila, Perth, Ulaanbaatar
+09.0
Pyongyang
+09.5
Darwin
+10.0
Melbourne, Rabaul
+11.0
+12.0
Port Vila
Christchurch, Nadi, Nauru Island
Male
Mumbai, Kolkata, Colombo
Jakarta, Phnom Penh, Hanoi, Vientiane
• Based on data as of June 2007.
• Illumination may not turn on if the face of the watch is
more than 15 degrees above or below parallel. Make
sure that the back of your hand is parallel to the ground.
• Illumination turns off in about one second, even if you
keep the watch pointed towards your face.
• Static electricity or magnetic force can interfere with
proper operation of the auto light switch. If illumination
does not turn on, try moving the watch back to the
starting position (parallel with the ground) and then tilt it
back towards you again. If this does not work, drop your
arm all the way down so it hangs at your side, and then
bring it back up again.
• Under certain conditions, illumination may not turn on until about one second after
you turn the face of the watch towards you. This does not necessarily indicate
malfunction of the auto light switch.
• You may notice a very faint clicking sound coming from the watch when it is shaken
back and forth. This sound is caused by mechanical operation of the auto light
switch, and does not indicate a problem with the watch.
6