MO0405-EA
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Resin Band
Metal Band
Operation Guide 3335
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
purchase, be sure to carefully read this manual and keep it on hand for later reference
when necessary.
• This watch does not have a time zone that corresponds to the Greenwich
Mean Time differential of –3.5 hours. Because of this, the radio-controlled
timekeeping and World Time functions will not display the correct time for
Newfoundland, Canada.
Expose the watch to bright light to charge its batteries before using it.
You can use this watch even as its batteries are being charged by exposure to
bright light.
• Be sure to read “Batteries” of this manual for important information you need
to know when exposing the watch to bright light.
If the digital display of the watch is blank...
Power saving indicator
General Guide
• Press C to change from mode to mode.
• In any mode, press L to illuminate the display.
If the Power Saving indicator ( ) is flashing on the
display, it means that the display is blank because the
watch’s Power Saving function has turned it off to
conserve power. Power Saving automatically turns off the
display and enters a sleep state whenever your watch is
left for a certain period in an area where it is dark. If the
watch is kept in the dark for a longer period, the analog
hands will also stop moving after a few days.
• The initial factory default setting is Power Saving on.
• The watch will recover from the sleep state if you move
it to a well-lit area, if you press any button, or if you
angle the watch towards your face for reading.
• See “Power Saving Function” for more information.
World Time Mode
About This Manual
(Light)
(Light)
Alarm Mode Countdown Timer Mode
▲
• 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.
▲
Timekeeping Mode
Press C.
▲
▲
Radio-controlled Atomic Timekeeping
Hour hand
Minute hand
Day of week
Seconds
Current Time Setting
This watch automatically adjusts its time setting 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 set your Home City,
which is the city where you will normally use the watch. For more information, see
“To set your Home City” below.
• When using the watch outside the ranges of the U.S. time signal transmitter, you
have to adjust the current time setting manually as required. See “Timekeeping” for
more information about manual time setting.
• The analog time of this watch is synchronized with the digital time. Because of this,
the analog time setting is automatically adjusted whenever you change the digital
setting. See “Analog Timekeeping” for more inf ormation.
To set your Home City
City code
3. Press A to exit the setting screen.
• 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 (in
the middle of the night). You can also perform manual receive or you can set the time
manually.
• If you are in an area that does not use Daylight Saving Time (summer time), turn off
the DST setting.
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 the United States (Fort Collins,
Colorado).
• 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.
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Use D (east) and B (west) to scroll through the city
codes until the one you want to use as your Home City
is displayed.
• The following are the city codes for major cities in
North America.
: Los Angeles, San Francisco, Las Vegas,
LAX
Seattle, Vancouver , Tijuana
: Denver, El Paso, Edmonton, Culiacan
DEN
: Chicago, Houston, Dallas/Fort Worth, New
CHI
Orleans, Winnipeg, Mexico City
:New York, Detroit, Miami, Boston, Montreal
NYC
• Note that this watch does not have a city code that
corresponds to Newfoundland.
.
*
Hand Setting Mode
▲
To display the digital time and last signal screen
• In the Timekeeping Mode, press B to cycle through the digital time screens as
shown below.
• In the Timekeeping Mode, press D to display the last signal screen. The last signal
screen shows the date and time of the last successful time calibration signal
reception.
Mode indicator
Seconds
DST indicator
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 automatically picks up the time calibration signal five
times a day at 0:00 a.m., 1:00 a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. For more
information, see “About Auto Receive”.
• Manual Receive
Manual receive lets you start a time calibration signal reception 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.
Make sure there are no metal objects nearby.
• The watch should not be on its side or facing the wrong way.
Day of
week
Press B.
Day of week
▲
Press D.
▲
Last Signal
Screen
Day
Stopwatch Mode
▲
Seconds
BB
▲
Month. Day
B
Reception date
Seconds
PM indicator
Reception time
Hour:
Minutes
▲
1
Operation Guide 3335
• 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 six minutes, but in some cases it
can take as long as 12 minutes. Take care that you do not perform any button
operations or move the watch during this time.
• Under good reception conditions, signal reception is possible within a radius of
about 2,000 miles (3,000 kilometers) from the Fort Collins transmitter.
• At distances further than about 600 miles (1,000 kilometers) from the Fort Collins
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
When auto receive is turned on, the watch automatically starts to receive the time
calibration signal when the time in the Timekeeping Mode reaches 0:00 a.m., 1:00
a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. each day (calibration times). The watch will
also perform an additional auto receive at 5:00 a.m. if none of the regularly scheduled
auto receive operations are successful.
Note
• Auto receive is performed only if the watch is in the Timekeeping Mode or World
Time Mode when one of the calibration times is reached. It is not performed if a
calibration time is reached while an alarm is sounding, or while you are configuring
settings (while settings are flashing on the display).
• 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 easily receive the signal.
• When auto receive is turned on, the watch receives the calibration signal for two to
six minutes everyday when the time in the Timekeeping Mode reaches each of the
five calibration times. Do not perform any button operation within six minutes before
or after any of the five calibration times. Doing so can interfere with correct
calibration.
• Remember that reception of the calibration signal depends on the time kept in the
digital display. Reception will be performed whenever the display shows one of the
five calibration times, regardless of whether or not the displayed time is actually the
correct time.
• When two, three, four, or five receptions are successful, the watch uses the data of
the last reception for calibration. When only one reception is successful, the watch
uses the data of the successful reception.
About the Receiving Indicator
The receiving 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.
• Even in an area where signal strength is strong, it takes about 10 seconds for signal
reception to stabilize enough for the receiving indicator to indicate signal strength.
• Use the receiving indicator as a guide for checking signal strength and for finding the
best location for the watch during signal reception.
• The Level 3 receiving indicator remains on the display in all modes following
reception of the time calibration signal and calibration of the watch’s time setting.
The Level 3 receiving indicator is not displayed if signal reception was unsuccessful
or after manual adjustment of the current time setting.
• The Level 3 receiving indicator indicates that at least one of the five calibration
signal receive operations was successful. Note, however, that the Level 3 receiving
indicator is cleared from the display at 3:00 a.m. each day.
To perform manual receive
Inside a
vehicle
Receiving indicator
Receiving indicator
Near
household
appliances,
office
equipment,
or a mobile
phone
600 miles
Weak
(Level 0)
1.Place the watch on a stable surface so its top (12
o’clock side) is facing towards a window.
2.In the Timekeeping Mode, hold down D for about two
seconds until the watch beeps.
3.After you release D, the display will alternate between
the current time and date, and the letters
indicates that signal reception is in progress.
Near a
construction
site, airport, or
other sources
of electrical
noise
2,000 miles
Fort Collins
Near hightension
power lines
Among or
behind
mountains
Strong
(Level 3)
RC!. This
• Time calibration signal reception normally takes from two to six minutes. Take care
that you do not perform any button operations or move the watch during this time.
• After signal reception is complete, the display of the watch changes to the last signal
screen.
Note
• To interrupt a reception and return to the Timekeeping Mode, press D.
• If reception is unsuccessful, the message
one or two minutes. After that, the watch returns to the Timekeeping Mode.
• You can also change from the last signal or
screen by pressing D.
To turn auto receive on and off
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On/Off status
4. Press A to exit the setting screen.
• To return to the Timekeeping Mode from the last signal screen, press D.
• For information about city codes that support signal reception, see “To set your
Home City”.
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal reception.
Problem
Cannot perform
manual receive.
Auto receive is
turned on, but
the Level 3
receiving
indicator does
not appear on
the display.
Time setting is
incorrect
following signal
reception.
• For further information, see “Important!” under “Time Calibration Signal Reception”
and “Radio-controlled Atomic Timekeeping Precautions”.
1.In the Timekeeping Mode, press D to display the last
signal screen.
•
2.Hold down A until the current auto receive setting
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• The watch is not in the Timekeeping
• Your current Home City is not one of the
• You changed the time setting manually.
• The watch was not in the Timekeeping
• Even if reception is successful, the
• Time data (hour, minutes, seconds) only
• If the time is one hour off, the DST
• The Home City code setting is not
flashes on the display. This is the setting screen.
• If the auto receive setting does not appear when you
3.
Use B and D to turn auto receive on
Probable Cause
Mode.
following city codes: LAX, DEN,
CHI, or NYC.
or World Time Mode, or you were
performing some button operation
during the auto receive.
Level 3 receiving indicator disappears
every day at 3 a.m.
was received during the last reception.
The Level 3 receiving indicator appears
only when time data and date data
(year, month, day) are both received.
setting may be incorrect.
correct for the area where you are using
the watch.
ERR appears on the display for about
ERR screen to the normal timekeeping
The watch will automatically return to the Timekeeping
Mode if you do not perform any button operation for two
or three minutes after displaying the last signal screen.
hold down A, it means that the city code currently
selected for the Home City is for an area that does not
support calibration signal reception. You cannot turn
auto receive on or off in this case.
(ON)
or off
(OFF).
What you should do
• Enter the Timekeeping Mode
and try again.
• Select LAX, DEN, CHI, or
NYC as your Home City.
• Perform manual receive or
wait until the next auto signal
receive is performed.
• Check to make sure the
watch is in a location where it
can receive the signal.
• Change the DST setting to
Auto DST.
• Select the correct Home City
code.
World Time
Mode indicator
Current
time in
selected
City code
city
To view the time in another city
While in the World Time Mode, press D to scroll through the city codes (time zones)
to the east or B to scroll to the west.
• For full information on city codes, see the “City Code Table”.
To toggle a city code time between Standard Time and Daylight Saving Time
DST indicator
• Note that you cannot use the World Time Mode to change the DST setting of the
Home City code you currently have selected in the Timekeeping Mode. See “To
change the Daylight Saving Time (summer time) setting” for information about
turning the Home City code DST setting on and off.
• Note that you cannot switch between Standard Time and Daylight Saving Time while
GMT is selected as the city code.
• The DST indicator will appear on the display whenever you display a city code for
which Daylight Saving Time is turned on.
• Note that the DST/Standard Time setting affects only the currently displayed city
code. Other city codes are not affected.
The World Time Mode digitally displays the current time in
30 cities (29 time zones) around the world.
• Pressing A in the World Time Mode causes the
applicable city code to appear on the digital display for
about one second.
• If the current time shown for a city is wrong, check your
Home City time settings and make the necessary
changes.
• The watch will perform a signal reception even if it is in
the World Time Mode when a calibration time is
reached. If this happens, the World Time Mode time
settings will be adjusted in accordance with the
Timekeeping Mode’s Home City time.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
1.In the World Time Mode, use B and D to display the
city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.
• Pressing A in the World Time Mode causes the
applicable city code to appear on the digital display for
about one second.
2.Hold down A to toggle Daylight Saving Time (DST
indicator displayed) and Standard Time (DST indicator
not displayed).
2
Operation Guide 3335
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Alarms
Mode indicator
Alarm number
Alarm time
(Hour : Minutes)
To set an alarm time
Alarm on indicator
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. (
5. Press A to exit the setting screen.
Alarm Operation
The alarm sounds in all modes at the preset time for about 10 seconds, or until you
stop it by pressing any button.
To test the alarm
In the Alarm Mode, hold down B to sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use D to select an alarm or the Hourly Time Signal.
2. When the alarm or the Hourly Time Signal you want to set is selected, press B to
turn it on and off.
Indicates alarm is ON.
Indicates Hourly Time Signal is ON.
• The alarm on indicator (
on the display in all modes while these functions are turned on.
• If any alarm is on, the alarm on indicator is shown on the display in all modes.
You can set five independent daily alarms. When an alarm
is turned on, the alarm tone sounds when the alarm time
is reached.
You can also turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
• The alarm number (
screen.
Hourly Time Signal screen is on the display.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
1.In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
2.Hold down A until the hour digits of the alarm time
start to flash, which indicates the setting screen.
• This automatically turns on the alarm.
) and the Hourly Time Signal on indicator ( ) are shown
A1 through A5) indicates an alarm
00 is shown for the alarm number when the
A1 A2 A3
00 A5 A4
indicator).
Countdown Timer
Graphic (1/10 second)
1/10 second
Minutes Seconds
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. Press C to move the flashing in the sequence shown below to select other
settings.
3. While a setting is flashing, use D (+) and B (–) to change it.
• See “To turn auto-repeat on and off” below for details on the auto-repeat setting.
4. Press A to exit the setting screen.
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 and auto-repeat is turned off, the alarm
sounds for 10 seconds or until you stop it by pressing any button. The countdown
time is automatically reset 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 completely stop a countdown operation, first pause it (by pressing D), and then
press B. This returns the countdown time to its starting value.
To turn auto-repeat on and off
Number of repeats
You can set the countdown timer within a range of one to
60 minutes. An alarm sounds when the countdown
reaches zero.
Mode
• You can also select auto-repeat, which automatically
indicator
restarts the countdown from the original value you set
whenever zero is reached.
• The left dial indicates the 1/10 second count. When
auto-repeat is turned on, however, the center of this dial
shows the current repeat count. The periphery of the dial
continues to show the 1/10 second count.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
displayed).
Auto-
repeat
Minutes
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.
2.Press C to move the flashing to the auto-repeat
setting.
3.Press D to turn auto-repeat on (
off (
4.Press A to exit the setting screen.
• When auto-repeat is turned on, the alarm sounds and
countdown starts again whenever the countdown
reaches zero. You can stop the countdown by pressing
D, and manually reset to the countdown start time by
pressing B.
• Auto-repeat timing repeats up to nine times.
displayed) and
Stopwatch
1/100 second
Mode indicator
Minutes Seconds
To measure times with the stopwatch
Elapsed Time
D
Start Stop
Split Time
D
Start Split
Two Finishes
D
Start Split
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 99 minutes, 59.99
seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
D
➤
B
➤
B
➤
First runner
finishes.
Display time of
first runner.
D
➤
Re-start Clear
B ➤
➤
Split release
D ➤
➤
Stop Clear
Second runner
finishes.
D
➤
Stop
D
Stop
B
Split release
Display time of
second runner.
➤
➤
➤
B
B
Clear
B
Illumination
Auto light switch
indicator
About the Auto Light Switch
Turning on the auto light switch causes the display illumination to turn on whenever
you position your wrist as described below in any mode. Note that this watch features
a “Full Auto 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 more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of your wrist.
Warning!
• Always make sure you are in a safe place whenever you are reading the
display of 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
surprise 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 any mode, hold down L for about two seconds to toggle the auto light switch on
(the auto light switch indicator displayed) and off (the auto light switch indicator not
displayed).
• The auto light switch is automatically turned off whenever battery power is at Level
4. After battery power recovers to Level 2, you will have to perform the above
procedure to turn the auto light switch back on again.
• The auto light switch indicator is on the display in all modes while the auto light
switch is turned on.
An LED (light-emitting diode) and light guide panel
illuminate the digital display for easy reading in the dark.
The watch’s auto light switch automatically illuminates the
display 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 L to illuminate the display.
• You can specify 1.5 seconds or 2.5 seconds as the
illumination duration. See “To set the current digital time
and date manually” for more information.
• The above operation turns on illumination regardless of
the current auto light switch setting.
Parallel to
ground
More than
40°
Batteries
This watch is equipped with a solar cell and rechargeable batteries (secondary
batteries) that are 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.
• Normally, you should try to keep the
watch outside of your sleeve as much
as possible. Charging is significantly
reduced if the face is only partially
covered.
Solar cell
3
Operation Guide 3335
Seconds
Hour
Minutes
12/24-Hour
Format
Month Year
DST
Day
Power
Saving
City Code
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 normally exposed to bright light
whenever possible.
• Normally, the rechargeable batteries should not need replacement, but after very
long use over a number of years, they may lose the ability to achieve a full charge.
Should you notice problems with getting the rechargeable batteries to a full charge,
contact your dealer or CASIO distributor about having them replaced.
• The rechargeable batteries should be replaced with CASIO-specified CTL1025
batteries only. Other rechargeable batteries can cause damage to the watch.
• All data stored in memory is deleted, and the current time and all other settings
return to their initial factory defaults whenever battery power drops to Level 4 and if
you should ever need to have the rechargeable batteries 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
batteries from going dead.
Battery Power Indicator and Recover Indicator
The battery power indicator on the display shows you the current power level of the
rechargeable batteries.
Recover indicator
Battery power indicator
• The flashing charge indicator (
very low, and that exposure to bright light for charging is required as soon as
possible.
• At Level 4, all functions are disabled and settings return to their initial factory
defaults. Functions are enabled once again after the rechargeable batteries are
charged, but you need to set the time and date, after the batteries reach Level 3
(indicated by the flashing charge indicator) from Level 4. You will not be able to
configure any of the other settings until the batteries reach Level 2 (no charge
indicator) after dropping to Level 4.
•
Leaving the watch in direct sunlight or some other very strong light source can cause the
battery power indicator to momentarily show a reading that is higher than the actual
battery level. The correct battery power indicator should appear after a few minutes.
• If you use the light or alarms a number of times during a short period, the recover
indicator appears on the display and the following operations become disabled until
battery power recovers.
Illumination
Beeper tone
Coordination between digital and analog timekeeping
Time calibration signal reception
After some time, battery power will recover and the recover indicator will disappear,
indicating 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 batteries.
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 batteries can cause
it to become quite hot. Take care when handling the watch to a void 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 7 months.
• The following table shows the amount of time the watch needs to be exposed to light
each day in order to generate enough power for normal daily operations.
Exposure Level (Brightness)
Outdoor Sunlight (50,000 lux)
Sunlight Through a Window (10,000 lux)
Daylight Through a Window on a Cloudy Day
(5,000 lux)
Indoor Fluorescent Lighting (500 lux)
• Since these are the specs, we can include all the technical details.
• 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
• 5 times calibration reception per day
• Stable operation is promoted by frequent charging.
Level
1
2
3
4
Battery Power
Indicator
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(Charge Soon Alert)
) at Level 3 tells you that battery power is
Function Status
All functions enabled.
All functions enabled.
Auto and manual receive,
alarm, hourly time signal,
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illumination, auto light switch,
and display are disabled.
Though the hands of the watch
do not move, time continues to
be kept internally.
All functions, including timekeeping,
disabled and initialized.
Approximate Exposure Time
6 minutes
30 minutes
48 minutes
8 hours
Recovery Times
The table below shows the amount exposure that is required to take the batteries 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 4 Level 3 Level 2 Level 1
▲
2 hours
7 hours
11 hours
113 hours
▲
19 hours
97 hours
157 hours
▲
5 hours
22 hours
36 hours
– – –
Timekeeping
Use the Timekeeping Mode to set and view the current time and date. This section
also explains how to manually set the current date and time.
• When setting the time, you can also configure settings for the illumination duration,
the 12/24-hour format, and power saving on/off.
• All of the operations in this section are performed in the Timekeeping Mode, which
you can enter by pressing C.
Mode indicator
Seconds
DST indicator
Setting the Digital 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.
To set the current digital time and date manually
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:
• See “City Code Table” for a complete list of available city codes.
• For information about settings other than the time and date, see the following.
Illumination duration: Illumination
Power Saving: Power Saving Function
4. Press A to exit the setting screen.
• When you exit the setting screen, the analog hands are adjusted automatically to
match the digital time. See “Analog Timekeeping” for more information.
Note
• Auto DST (
NYC is selected as the Home City code. For more information, see “Daylight Saving
Time (DST)” below .
Press B.
Day of week
▲
Press D.
Day of
week
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City code
Change the city code
Cycle between Daylight Saving Time
(
ON), Standard Time (OFF), and
Auto DST (A t )
Toggle between 12-hour (
24-hour (
24H) timekeeping
Reset the seconds to 00
Toggle the illumination duration
setting between 1.5 seconds (
2.5 seconds ( )
Change the hour or minutes
Change the year
Change the month or day
Toggle Power Saving on (ON) and
off (
OFF
A t ) can be selected only while HNL, ANC, LAX, DEN, CHI, or
Day
▲
Last Signal
Screen
1.In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2.Press C to move the flashing in the sequence shown
below to select other settings.
12H) and
)
Seconds
BB
▲
Month. Day
B
Reception date
) and
Seconds
PM indicator
Reception time
Do this:
Use D (east) and B (west).
Press D.
Press D.
Press D.
Press B.
Use D (+) and B (–).
Press D.
Hour:
Minutes
▲
▲
4
Operation Guide 3335
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the digital time setting by one hour
from Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
The time calibration signal transmitted from Fort Collins includes 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 Fort
Collins signal.
• The default DST setting is Auto DST (
LAX, DEN, CHI, or NYC as your Home City code.
• If you experience problems receiving the time calibration signal in your area, it is
probably 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 once and the DST setting screen appears.
3. Use D to cycle through the DST settings in the sequence shown below.
Auto DST (A t ) DST off (OFF) DST on (ON)
4. When the setting you want is selected, press A to exit the setting screen.
• The DST indicator (
is turned on.
Analog Timekeeping
The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.
Note
• The hands for the analog timepiece move to adjust to a new setting whenever any of
the following occurs.
When you change the digital time setting manually
When the digital time setting is changed by time calibration signal reception
When you change the Home City code and/or DST setting
• If the analog time does not match the digital time for any reason, use the procedure
described under “To adjust the analog time” to match the analog setting to the digital
setting.
• Whenever you need to adjust both the digital and the analog time settings manually,
make sure you adjust the digital setting first.
• Depending on how much the hands have to move in order to adjust to the digital
time, it may take some time before they stop moving.
To adjust the analog time
Mode indicator
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When you want to do this:
Move the hand setting
forward 20 seconds
Move the hand setting a short
way forward at high speed
Move the hand setting a
long way forward at high
speed
4. Press A to exit the setting screen.
• The minute hand will be adjusted slightly to match the seconds when you exit the
setting screen.
• To return to the Timekeeping Mode, press C.
) appears on the display to indicate that Daylight Saving Time
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A t ) whenever you select HNL, ANC,
1.In the Timekeeping Mode, press C five times to enter
the Hand Setting Mode.
2.Hold down A until the current digital time starts to
flash, which indicates the setting screen.
3. Use D and B to adjust the analog setting as
described below.
Perform this button operation:
• Press D.
• Hold down D.
• Release D when the hands reach the setting
you want.
• While holding down D to move the hands at
high speed, press B to lock the high-speed
hand movement.
• To stop the hand movement, press any
button.
• Hand movement stops automatically if the hour
hand makes one full (12-hour) revolution.
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.
Power Saving Function
Power saving
indicator
Elapsed Time in Dark
60 to 70 minutes
6 or 7 days
• 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.
When turned on, the Power Saving function automatically
puts the watch into a sleep state whenever it 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.
• LCD off
• Alarm, hourly time signal, analog timekeeping and
auto receive enabled
• LCD off, alarm and hourly time signal disabled
• Analog timekeeping stopped at 12 o’clock
• Auto receive disabled
Functions
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 turn Power Saving on and off
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On/Off status
Auto Return Features
• If you leave the watch in the Alarm or Hand Setting Mode for two or three minutes
without performing any operation, it automatically returns to the Timekeeping Mode.
• If you leave the watch with a flashing setting on the display for two or three minutes
without performing any operation, the watch automatically exits the setting screen.
Scrolling
The B and D buttons are used in various modes and setting screens to scroll
through data on the display. 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.
• 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.
• 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 automatically update the date and day of the week 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.
• 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. The following are the initial factory defaults for these
settings.
Setting
City code
DST (summer time)
Auto receive
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
• The day of the week is automatically displayed in accordance with the date (year,
• 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
• The current time for all city codes in the Timekeeping Mode and World Time Mode is
• GMT differential is calculated by this watch based on Universal Time Coordinated
* UTC is the world-wide scientific standard of timekeeping. It is based upon carefully
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 (
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
without changing the minutes.
month, and day) settings.
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch’s batteries replaced or when battery power drops
to Level 4.
calculated in accordance with the Greenwich Mean Time (GMT) differential for each
city, based on your Home City time setting.
(UTC*) data.
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.
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.
any indicator.
1.In the Timekeeping Mode, hold down A until the city
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code starts to flash, which indicates the setting screen.
2.Press C nine times until the Power Saving on/off
screen appears.
3.Press D to toggle Power Saving on (
(
).
OFF
4.Press A to exit the setting screen.
• The Power Saving indicator (
all modes while Power Saving is turned on.
Initial Factory Default
NYC (New Y ork)
(Auto switching)
(Auto receive)
) appears on the display for times in
ON
) is on the display in
) and off
5
Operation Guide 3335
Illumination Precautions
• Illumination may be hard to see when viewed under direct sunlight.
• Illumination automatically turns off whenever an alarm sounds.
• Frequent use of illumination runs down the batteries.
Auto light switch precautions
• The auto light switch is turned off automatically whenever battery power is at Level 3.
• 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 batteries, turn off the auto light switch whenever
engaging in activities that might cause frequent illumination of the display.
• 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 batteries.
More than 15 degrees
too high
• 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.
City Code Table
City
Code
– – –
ANC
DEN
NYC
CCS
– – –
– – –
GMT
LON
BER
THR
DXB
DAC
RGN
BKK
HKG
SYD
NOU
WLG
• Based on data as of December 2003.
HNL
LAX
CHI
RIO
PAR
ATH
CAI
JRS
JED
KBL
KHI
DEL
SEL
TYO
ADL
City
Honolulu
Anchorage
Los Angeles
Denver
Chicago
New Y ork
Caracas
Rio De Janeiro
London
Paris
Berlin
Athens
Cairo
Jerusalem
Jeddah
Tehran
Dubai
Kabul
Karachi
Delhi
Dhaka
Yangon
Bangkok
Hong Kong
Seoul
Tokyo
Adelaide
Sydney
Noumea
Wellington
• 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 after the preset illumination
duration (see “To set the current digital time and date
manually”), 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.
GMT
Differential
–11.0
–10.0
–09.0
–08.0
–07.0
–06.0
–05.0
–04.0
–03.0
–02.0
–01.0
+00.0
+01.0
+02.0
+03.0
+03.5
+04.0
+04.5
+05.0
+05.5
+06.0
+06.5
+07.0
+08.0
+09.0
+09.5
+10.0
+11.0
+12.0
Other major cities in same time zone
Pago Pago
Papeete
Nome
San Francisco, Las Vegas, Vancouver,
Seattle/Tacoma, Dawson City, Tijuana
El Paso, Edmonton, Culiacan
Houston, Dallas/Fort Worth,
New Orleans, Mexico City, Winnipeg
Montreal, Detroit, Miami, Boston,
Panama City, Havana, Lima, Bogota
La Paz, Santiago, Port of Spain
Sao Paulo, Buenos Aires, Brasilia, Montevideo
Praia
Dublin, Lisbon, Casablanca, Dakar, Abidjan
Milan, Rome, Madrid, Amsterdam, Algiers, Hamburg,
Frankfurt, Vienna, Stockholm
Helsinki, Istanbul, Beirut, Damascus,
Cape Town
Kuwait, Riyadh, Aden, Addis Ababa, Nairobi, Moscow
Shiraz
Abu Dhabi, Muscat
Male
Mumbai, Kolkata
Colombo
Jakarta, Phnom Penh, Hanoi, Vientiane
Singapore, Kuala Lumpur, Beijing, Taipei, Manila, Perth,
Ulaanbaatar
Pyongyang
Darwin
Melbourne, Guam, Rabaul
Port Vila
Christchurch, Nadi, Nauru Island
6
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