MA1108-EA
Operation Guide 3219
ENGLISH
Congratulations upon your selection of this CASIO watch.
This watch does not have a city code that corresponds to the UTC offset of –3.5
hours. Because of this, the radio-controlled atomic timekeeping function will not
display the correct time for Newfoundland, Canada.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any
damage or loss suffered by you or any third party arising through the use of this
product or its malfunction.
E-1
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E-5
E-7
E-9
About This Manual
x 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.
x Button operations are indicated using the letters shown
in the illustration.
x Note that the product illustrations in this manual are
intended for reference only, and so the actual product
may appear somewhat different than depicted by an
illustration.
E-2
Things to check before using the watch
1. Check the battery power level.
The watch is charged.
YES
NO
Is H or M displayed for the battery power indicator (page E-15)?
For details about charging, see “Charging the Watch” (page E-12).
NEXT
Battery power
indicator
Go to step 2.
Power is low. Charge the watch by placing it in a location where it is exposed to
light. For details, see “Charging the Watch” (page E-12).
E-4
The watch is now ready for use.
x For details about the watch’s radio controlled timekeeping feature, see “Radio
Controlled Atomic Timekeeping” (page E-21).
2. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To configure Home City settings” (page E-42) to
configure your Home City and daylight saving time settings.
Important!
Proper time calibration signal reception and World Time Mode data depend on
correct Home City, time, and date settings in the Timekeeping Mode. Make sure
you configure these settings correctly.
3. Set the current time.
x To set the time using a time calibration signal
See “To get ready for a receive operation” (page E-26).
x To set the time manually
See “Configuring Current Time and Date Settings Manually” (page E-47).
E-6
E-42 Configuring Home City Settings
Contents
E-42 To configure Home City settings
E-45 To change the Daylight Saving Time (summer time) setting
E-2 About This Manual
E-4 Things to check before using the watch
E-47 Configuring Current Time and Date Settings Manually
E-47 To change the current time and date settings manually
E-12 Charging the Watch
E-20 To recover from the sleep state
E-51 Checking the Current Time in a Different Time Zone
E-51 To enter the World Time Mode
E-21 Radio Controlled Atomic Timekeeping
E-26 To get ready for a receive operation
E-29 To perform manual receive
E-51 To view the time in another time zone
E-52 To specify standard time or daylight saving time (DST) for a city
E-33 To check the latest signal reception results
E-34 To turn auto receive on and off
E-53 Using the Alarm
E-54 To enter the Alarm Mode
E-55 To set an alarm time
E-56 To test the alarm
E-57 To turn an alarm and the Hourly Time Signal on and off
E-57 To stop the alarm
E-37 Mode Reference Guide
E-41 Timekeeping
E-8
Operation Guide 3219
x The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch
Radio Controlled Atomic Timekeeping
is already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep
This watch receives a time calibration signal and updates its time setting
accordingly. However, when using the watch outside of areas covered by time
calibration signals, you will have to adjust the settings manually as required. See
“Configuring Current Time and Date Settings Manually” (page E-47) for more
information.
This section explains how the watch updates its time settings when the city code
selected as the Home City is in Japan, North America, Europe, or China, and is one
that supports time calibration signal reception.
state.
x The watch will not enter a sleep state while it is in the Stopwatch Mode or
Countdown Timer Mode.
To recover from the sleep state
Move the watch to a well-lit area or press any button.
E-20
E-21
Approximate Reception Ranges
The watch can receive the signal from the
If your Home City Code setting is this:
transmitter located here:
UK and German Signals
North American Signal
LIS, LON, MAD, PAR, ROM, BER, STO,
Anthorn (England), Mainflingen (Germany)
ATH, MOW
HKG, BJS
Shangqiu City (China)
TPE, SEL, TYO
Fukushima (Japan), Fukuoka/Saga (Japan)
2,000 miles
Anthorn
HNL, ANC, YVR, LAX, YEA, DEN, MEX,
CHI, MIA, YTO, NYC, YHZ, YYT
(3,000 kilometers)
Fort Collins, Colorado (United States)
500 kilometers
1,500 kilometers
600 miles
(1,000 kilometers)
Important!
x The areas covered by MOW, HNL and ANC are quite far from the calibration signal
transmitters, so certain conditions may cause reception problems.
Fort Collins
Mainflingen
x When HKG or BJS is selected as the Home City, only the time and date are
adjusted according to the time calibration signal. You need to switch manually
between standard time and daylight saving time (DST) if required. See “To
configure Home City settings” (page E-42) for information about how to do this.
The Anthorn signal is receivable
within this area.
E-22
E-23
x Even when the watch is within range of a transmitter, signal reception may be
impossible due to the effects of geographic contours, structures, weather, the time
of year, the time of day, radio interference, etc. The signal becomes weaker at
distances of approximately 500 kilometers, which means that the influence of the
conditions listed above becomes even greater.
x Signal reception may not be possible at the distances noted below during certain
times of the year or day. Radio interference may also cause problems with
reception.
− Mainflingen (Germany) or Anthorn (England) transmitters: 500 kilometers
(310 miles)
− Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)
− Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles)
− Shangqiu (China) transmitter: 500 kilometers (310 miles)
Japanese Signals
Chinese Signal
Fukushima
500 kilometers
500 kilometers
Changchun
Beijing
Fukuoka/Saga
Shangqiu
Shanghai
Chengdu
Hong Kong
x As of December 2010, China does not use Daylight Saving Time (DST). If China
does go to the Daylight Saving Time system in the future, some functions of this
watch may no longer operate correctly.
1,000 kilometers
1,500 kilometers
Signals are receivable in the Taiwan area
when reception conditions are good.
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E-25
To get ready for a receive operation
1. Confirm that the watch is in the Timekeeping Mode. If it isn’t, use C to enter the
Timekeeping Mode (page E-38).
x Signal reception may be difficult or even impossible under the conditions
described below.
2. The antenna of this watch is located on its 12 o’clock side. Position the watch
with 12 o’clock facing towards a window as shown in the nearby illustration.
Make sure there are no metal objects nearby.
x Signal reception normally is better
at night.
Inside or
among
buildings
Inside a
vehicle
Near
Near a
Near
Among
x The receive operation takes from two
household
appliances,
office
construction high-tension or behind
12 o’clock
to seven minutes, but in some cases
site, airport,
or other
sources of
electrical
noise
power lines
mountains
it can take as long as 14 minutes.
or
Take care that you do not perform any
button operation or move the watch
during this time.
equipment,
or a mobile
phone
E-26
E-27
To perform manual receive
3. What you should do next depends on whether you are using Auto Receive or
Manual Receive.
x Auto Receive: Leave the watch over night in the location you selected in step 2.
See “Auto Receive” below for details.
In the Timekeeping Mode, hold down D until the watch
beeps.
Receiving
x A signal level indicator (L1, L2, or L3, see page E-32)
appears on the display after reception starts. Do not
move the watch or perform any button operation until
GET or ERR appears on the display.
x Manual Receive: Perform the operation under “To perform manual receive” on
page E-29.
Auto Receive
x With Auto Receive, the watch performs the receive operation each day
automatically up to six times (up to five times for the Chinese calibration signal)
between the hours of midnight and 5 a.m. (according to the Timekeeping Mode
time). When any receive operation is successful, none of the other receive
operations for that day are performed.
Receiving indicator
x When a calibration time is reached, the watch will perform the receive operation
only if it is in the Timekeeping Mode or World Time Mode. The receive operation is
not performed if a calibration time is reached while you are configuring settings.
x You can use the procedure under “To turn auto receive on and off” (page E-34) to
enable or disable auto receive.
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Operation Guide 3219
Receive successful
Receive failed
x If the receive operation is successful, the reception
date and time appear on the display, along with
the GET indicator. The watch will return to the
Timekeeping Mode if you press D or if you do not
perform any button operation for about one or two
minutes.
x If the current reception fails but a previous reception
(within the last 24 hours) was successful, the display
shows the receiving indicator and the ERR indicator.
If the ERR indicator only is displayed (without the
receiving indicator), it means that all of the receive
operations over the past 24 hours have failed. The
watch will return to the Timekeeping Mode without
changing the time setting if you press D or if you do
not perform any button operation for about one or
two minutes.
If there was a previously
successful reception
Note
To interrupt a receive operation and return to the
Timekeeping Mode, press D.
E-30
E-31
To check the latest signal reception results
In the Timekeeping Mode, press D (page E-38).
Signal Level Indicator
During manual receive, the signal level indicator displays
the signal level as shown below.
x When receive is successful, the display shows the time
and date that receive was successful. - : - - indicates
that none of the receive operations were successful.
x To return to the Timekeeping Mode, press D.
Weak
(Unstable)
Strong
(Stable)
Note
The receiving indicator will not be displayed if you have
adjusted the time or date setting manually since the last
receive operation.
As you watch the indicator, keep the watch in a location
that best maintains stable reception.
x Even under optimum reception conditions, it can take
about 10 seconds for reception to stabilize.
x Note that weather, the time of day, surroundings, and
other factors all can affect reception.
Signal level indicator
E-32
E-33
To turn auto receive on and off
1. In the Timekeeping Mode, press D (page E-38).
Radio-controlled Atomic Timekeeping Precautions
x Strong electrostatic charge can result in the wrong time setting.
x Even if a receive operation is successful, certain conditions can cause the time
setting to be off by up to one second.
x The watch is designed to update the date and day of the week automatically for
the period January 1, 2000 to December 31, 2099. Updating of the date by signal
reception will no longer be performed starting from January 1, 2100.
x If you are in an area where signal reception is not possible, the watch keeps time
with the precision noted in “Specifications” (page E-76).
Receiving indicator
2. Hold down A until the current auto receive setting (On
or OFF) and receiving indicator start to flash. This is
the setting screen.
x Note that the setting screen will not appear if the
currently selected Home City is one that does not
support time calibration reception.
3. Press D to toggle between auto receive on (On) and
off (OFF).
x The receive operation is disabled under any of the following conditions.
− While power is at Level 3 (L) or lower (page E-15)
− While the watch is in the power recovery mode (page E-17)
4. Press A to exit the setting screen.
On/Off status
− When the watch is in the function sleep state (“Power Saving”, page E-19)
− While a countdown timer operation is in progress (page E-61)
x A receive operation is cancelled if an alarm sounds while it is being performed.
E-34
E-35
x The Home City setting reverts to the initial default of TYO (Tokyo) whenever the
battery power level drops to Level 5 or when you have the rechargeable battery
replaced. If this happens, change the Home City to the setting you want (page
E-42).
Mode Reference Guide
Your watch has 5 “modes”. The mode you should select depends on what you
want to do.
To do this:
Enter this mode:
See:
x View the current date in the Home City
x Configure Home City and daylight saving time (DST)
settings
x Configure time and date settings manually
x Perform a time calibration receive operation
Timekeeping Mode
E-41
x Check whether the last receive operation was
successful
View the current time in one of 48 cities
(29 time zones) around the globe
World Time Mode
E-51
Set an alarm time
Use the stopwatch to measure elapsed time
Use the countdown timer
Alarm Mode
Stopwatch Mode
Countdown Timer Mode
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E-61
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Selecting a Mode
x The illustration below shows which buttons you need to press to navigate between
modes.
Timekeeping Mode
World Time Mode
Alarm Mode
Stopwatch Mode
Countdown Timer Mode
C
C
C
C
C
E-38
E-39
Operation Guide 3219
General Functions (All Modes)
The functions and operations described in this section can be used in all of the
modes.
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
Day of week
Month Day
Auto Return Features
x The watch returns to the Timekeeping Mode automatically if you do not perform
any button operation for two or three minutes in the Alarm Mode.
x If you leave a screen with flashing digits on the display for two or three minutes
without performing any operation, the watch exits the setting screen automatically.
Initial Screens
When you enter the World Time or Alarm Mode, the data you were viewing when
you last exited the mode appears first.
Scrolling
Seconds
Hour : Minutes
PM indicator
The B and D buttons are used on the setting screen 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.
E-40
E-41
DST indicator
2. Press D (East) and B (West) to select the city code
you want to use as your Home City.
x Keep pressing D or B until the city code you want
to select as your Home City appears on the display.
Configuring Home City Settings
There are two Home City settings: actually selecting the Home City, and selecting
either standard time or daylight saving time (DST).
3. Press C to display the DST setting screen.
To configure Home City settings
PM indicator
City code
1. In the Timekeeping Mode, hold down A for about
two seconds until the currently selected city code
starts to flash. This is the city code setting screen.
x The watch will exit the setting mode automatically
if you do not perform any operation for about two
or three minutes.
4. Use D to cycle through the DST settings in the
sequence shown below.
D
D
Auto DST
(AUTO)
DST off
(OFF)
DST on
(ON)
x For details about city codes, see the “City Code
Table” at the back of this manual.
D
x The Auto DST (AUTO) setting will be available only when a city code that
supports time calibration signal reception (page E-21) is selected as the Home
City. While Auto DST is selected, the DST setting will be changed automatically
in accordance with time calibration signal data.
Seconds
Hour : Minutes
E-42
E-43
To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down A for about two
x Note that you cannot switch between standard time and daylight saving time
(DST) while UTC is selected as your Home City.
DST indicator
seconds until the currently selected city code starts to
flash. This is the city code setting screen.
5. After the setting is the way you want, press A to return to the Timekeeping
Mode.
x To return to the screen in step 1, press C again.
x The DST indicator appears to indicate that Daylight Saving Time is turned on.
2. Press C to display the DST setting screen.
3. Use D to cycle through the DST settings in the
sequence shown below.
Note
x After you specify a city code, the watch will use UTC* offsets in the World Time
Mode to calculate the current time for other time zones based on the current time
in your Home City.
D
D
Auto DST
(AUTO)
DST off
(OFF)
DST on
(ON)
* Coordinated Universal Time, the world-wide scientific standard of timekeeping.
The reference point for UTC is Greenwich, England.
D
x Selecting some city codes automatically makes it possible for the watch to receive
the time calibration signal for the corresponding area. See page E-21 for details.
x The Auto DST (AUTO) setting will be available only when a city code that
supports time calibration signal reception (page E-21) is selected as the Home
City. While Auto DST is selected, the DST setting will be changed automatically
in accordance with time calibration signal data.
E-44
E-45
4. After the setting is the way you want, press A to return to the Timekeeping
Mode.
x To return to the screen in step 1, press C again.
Configuring Current Time and Date Settings Manually
You can configure current time and date settings manually when the watch is
unable to receive a time calibration signal.
x The DST indicator appears to indicate that Daylight Saving Time is turned on.
To change the current time and date settings manually
1. In the Timekeeping Mode, hold down A for about
two seconds until the currently selected city code
starts to flash. This is the city code setting screen.
PM
indicator
City code
Hour :
Minutes
Seconds
E-46
E-47
2. Press C to move the flashing in the sequence shown below to select the other
3. When the timekeeping setting you want to change is flashing, use D and/or B
settings.
to change it as described below.
C
C
C
C
Screen
To do this:
Change the city code
Do this:
City Code
C
DST
12/24-Hour Format
Seconds
Hour
Use D (East) and B (West).
C
Cycle between Auto DST (AUTO), Daylight
Saving Time (ON) and Standard Time (OFF)
Press D.
Power Saving
Day
Month
Year
Minute
Toggle between 12-hour (12H) and 24-hour
(24H) timekeeping
C
C
C
C
Press D.
Press D.
x The following steps explain how to configure timekeeping settings only.
Reset the seconds to 00
Change the hour or minute
Change the year, month, or day
Use D (+) and B (–).
4. Press A to exit the setting screen.
x To return to the screen in step 1, press C again.
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E-49
Operation Guide 3219
Note
Checking the Current Time in a Different Time Zone
x For information about selecting a Home City and configuring the DST setting, see
“Configuring Home City Settings” (page E-42).
Currently selected
World Time City
You can use the World Time Mode to view the current
time in one of 29 time zones (48 cities) around the globe.
The city that is currently selected in the World Time Mode
is called the “World Time City”.
x While 12-hour format is selected for timekeeping, a P (PM) indicator will appear
for times from noon to 11:59 p.m. No indicator appears for times from midnight to
11:59 a.m. With 24-hour format, time is displayed from 0:00 to 23:59, without any
P (PM) indicator.
x 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 rechargeable battery replaced or after
power drops to Level 5 (page E-15).
x The day of the week changes automatically when the date changes.
x Refer to the pages shown below for more information on Timekeeping Mode
settings.
− Button operation tone on/off: “To turn the button operation tone on and off”
(page E-66)
To enter the World Time Mode
Use C to select the World Time Mode (WT) as shown
on page E-38.
To view the time in another time zone
In the World Time Mode, use D (East) to scroll through
city codes.
Current time in the
currently selected World
Time City
− Enabling and disabling power saving: “To turn Power Saving on and off” (page
E-68).
E-50
E-51
To specify standard time or daylight saving time (DST) for a city
Using the Alarm
DST indicator
1. In the World Time Mode, use D (East) to display the
city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.
You can set five independent daily alarms. When a daily
alarm is turned on, an alarm tone will sound for about
10 seconds each day when the time in the Timekeeping
Mode reaches the preset alarm time. This is true even
if the watch is not in the Timekeeping Mode. One of
the alarms is a snooze alarm, while the other four are
one-time alarms. The snooze alarm repeats every five
minutes.
Alarm number
2. Hold down A for about two seconds until the watch
beeps.
x This toggles the city code you selected in step 1
between Daylight Saving Time (DST indicator
displayed) and standard time (DST indicator not
displayed).
You can also turn on an Hourly Time Signal, which will
cause the watch to beep twice every hour on the hour.
x Using the World Time Mode to change the DST setting of the city code that is
selected as your Home City also will change the Timekeeping Mode time DST
setting.
Alarm time
(Hour : Minutes)
x Note that you cannot switch between standard time/daylight saving time (DST)
while UTC is selected as the World Time City.
x The standard time/daylight saving time (DST) setting affects only the currently
selected time zone. Other time zones are not affected.
E-52
E-53
To enter the Alarm Mode
To set an alarm time
Use C to select the Alarm Mode (AL) as shown on page E-39.
x There are four alarm screens numbered AL1, AL2, AL3 and AL4 for the daily
alarm, and a snooze alarm screen indicated by SNZ. The Hourly Time Signal
screen is indicated by SIG.
x When you enter the Alarm Mode, the data you were viewing when you last exited
the mode appears first.
Alarm ON/OFF indicator
1. In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
D
D
D
D
D
AL1
AL2
AL3
AL4
SNZ
SIG
D
2. Hold down A for about two seconds until the alarm
time starts to flash. This is the setting screen.
3. Press C to move the flashing between the hour and
minute settings.
E-54
E-55
To turn an alarm and the Hourly Time Signal on and off
4. While a setting is flashing, use D (+) and B (–) to change it.
x 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).
1. In the Alarm Mode, use D to select an alarm or the
Hourly Time Signal.
Snooze alarm indicator
5. Press A to exit the setting screen.
2. When the alarm or the Hourly Time Signal you want is
selected, press A to toggle it between on and off.
x The alarm on indicator (when any alarm is on), snooze
alarm indicator (when the snooze alarm is on), and the
Hourly Time Signal on indicator (when the Hourly Time
Signal is on) are shown on the display in all modes.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To stop the alarm
Hourly time signal
on indicator
Press any button.
E-56
E-57
To perform an elapsed time operation
Using the Stopwatch
The stopwatch measures elapsed time, split times, and two finishes.
D
D
D
D
A
Start
Stop
(Restart)
(Stop)
Reset
1/100 second
Hours
To enter the Stopwatch Mode
Use C to select the Stopwatch Mode (ST) as shown on
page E-39.
To pause at a split time
D
A
A
D
A
Start
Split
(SPL displayed)
Split release
Stop
Reset
To measure two finishes
D
A
D
A
A
Start
Split
Stop
Split release
Display time of
second runner.
Reset
(SPL displayed)
Second runner
First runner finishes. finishes.
Display time of first
runner.
Minutes Seconds
E-58
E-59
Operation Guide 3219
Note
Using the Countdown Timer
The countdown timer can be set within a range of one minute to 24 hours. An alarm
sounds when the countdown reaches zero.
x The Stopwatch Mode can indicate elapsed time up to 23 hours, 59 minutes,
59.99 seconds.
x Once started, stopwatch timing continues until you press D to stop it, even if
you exit the Stopwatch Mode to another mode and even if timing reaches the
stopwatch limit defined above.
x Exiting the Stopwatch Mode while a split time is frozen on the display clears the
split time and returns to elapsed time measurement.
To enter the Countdown Timer Mode
Use C to select the Countdown Timer Mode (TR) as
shown on page E-39.
Timer start time
To specify the countdown start time
1. Enter the Countdown Timer Mode.
x If a countdown is in progress (indicated by the
seconds counting down), press D to stop it and then
press A to reset to the current countdown start time.
x If a countdown is paused, press A to reset to the
current countdown start time.
Countdown time
(Hour, minutes, seconds)
E-60
E-61
To perform a countdown timer operation
2. Hold down A until the hour setting of the current countdown start time starts to
flash. This is the setting screen.
D
D
D
D
A
3. Press C to move the flashing between the hour and minute settings.
Start
Stop
(Restart)
(Stop)
Reset
4. Use D (+) and B (–) to change the flashing item.
x To set the starting value of the countdown time to 24 hours, set 0:00.
x Before starting a countdown timer operation, check to make sure that a
countdown operation is not in progress (indicated by the seconds counting down).
If it is, press D to stop it and then A to reset to the countdown start time.
x An alarm sounds for five seconds when the end of the countdown is reached. This
alarm will sound in all modes. The countdown time is reset to its starting value
automatically when the alarm sounds.
5. Press A to exit the setting screen.
To stop the alarm
Press any button.
E-62
E-63
Illumination Precautions
x The electro-luminescent panel that provides illumination loses power after very
long use.
x Illumination may be hard to see when viewed under direct sunlight.
x Illumination turns off automatically whenever an alarm sounds.
x Frequent use of illumination runs down the battery.
Illumination
The display of the watch is illuminated for easy reading
in the dark.
To turn on illumination
In any mode (except when a setting screen, with flashing
digits is on the display), press B to illuminate the display
for about one second.
x Illumination is disabled during time calibration signal
reception.
E-64
E-65
Note
Other Settings
x The mute indicator is displayed in all modes when the button operation tone is
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.
x Even if you turn off the button operation tone, the alarm, Hourly Time Signal, and
Countdown Timer Mode alarm all operate normally.
turned off.
x Since the C button also is 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.
To turn the button operation tone on and off
In any mode (except when a setting screen, with flashing
digits is on the display), hold down C for about three
seconds to toggle the button operation tone on (the
mute indicator not displayed) and off (the mute indicator
displayed).
Mute indicator
E-66
E-67
To turn Power Saving on and off
Note
x The Power Saving on indicator (PS) is on the display in all modes while Power
Saving is turned on.
1. In the Timekeeping Mode, hold down A for about two
seconds until the currently selected city code starts to
flash. This is the city code setting screen.
Power saving on indicator
2. Use C to display the Power Saving On/Off screen
shown nearby.
3. Press D to toggle Power Saving between on (On) and
off (OFF).
x See the sequence in step 2 of the procedure under
“To change the current time and date settings
manually” (page E-47) for information about how to
scroll through the setting screens.
On/Off status
4. Press A to exit the setting screen.
x To return to the screen in step 1, press C again.
E-68
E-69
Operation Guide 3219
Troubleshooting
World Time Mode
■ The time for my World Time City is off in the World Time Mode.
Time Setting
This could be due to incorrect switching between standard time and daylight saving
time. See “To specify standard time or daylight saving time (DST) for a city” (page
E-52) for more information.
See “Radio Controlled Atomic Timekeeping” (page E-21) for information about
adjusting the time setting according to a time calibration signal.
■ The current time setting is off by hours.
Your Home City setting may be wrong (page E-42). Check your Home City setting
and correct it, if necessary.
Charging
■ The watch does not resume operation after I expose it to light.
This can happen after the power level drops to Level 5 (page E-15). Continue
exposing the watch to light until the battery power indicator shows H or M.
■ The current time setting is off by one hour.
If you are using the watch in an area where time calibration signal reception is
possible, see “To configure Home City settings” (page E-42).
If you are using in the watch in an area where time calibration signal reception is not
possible, you may need to change your Home City’s standard time/daylight saving
time (DST) setting manually. Use the procedure under “To change the current time
and date settings manually” (page E-47) to change the standard time/daylight
saving time (DST) setting.
Time Calibration Signal
The information in this section applies only when LIS, LON, MAD, PAR, ROM,
BER, STO, ATH, MOW, HKG, BJS, HNL, ANC, YVR, LAX, YEA, DEN, MEX, CHI,
MIA, YTO, NYC, YHZ, YYT, SEL, or TYO is selected at the Home City. You need to
adjust the current time manually when any other city is selected as the Home City.
E-70
E-71
■ The display shows the ERR indicator when I check the result of the latest
■ The current time setting changes after I set it manually.
receive operation.
You may have the watch configured for Auto Receive of the time calibration signal
(page E-28), which will cause the time to be adjusted automatically according to
your currently selected Home City. If this results in the wrong time setting, check
your Home City setting and correct it, if necessary (page E-42).
Possible Cause
Remedy
Page
x You are wearing or moving the watch,
or performing a button operation
during the signal receive operation.
x The watch is in an area with poor
reception conditions.
Keep the watch in an area where
reception conditions are good while
the signal receive operation is being
performed.
E-26
■ The current time setting is off by one hour.
Possible Cause
Remedy
Page
Perform the operation under “To get
ready for a receive operation”.
The time setting will be adjusted
automatically as soon as signal
reception is successful.
You are in an area where signal
reception is not possible for some
reason.
See “Approximate Reception Ranges”.
E-23
–
E-26
Signal reception on a day for switching
between standard time/daylight saving
time (DST) may have failed for some
reason.
x Check the website of the organization
that maintains the time calibration
signal in your area for information
about its down times.
The calibration signal is not being
transmitted for some reason.
If you are unable to receive the time
calibration signal, change the standard
time/daylight saving time (DST) setting
manually.
E-45
x Try again later.
E-72
E-73
■ Auto Receive is not performed or you cannot perform Manual Receive.
■ Signal reception is being performed successfully, but the time and/or day
is wrong.
Possible Cause
Remedy
Page
Possible Cause
Remedy
Page
E-42
E-42
Auto receive is performed only while the
watch is in the Timekeeping Mode or
World Time Mode. Switch to either of
these two modes.
The watch is not in the Timekeeping
Mode or World Time Mode.
Check your Home City setting and
correct it, if necessary.
E-38
Your Home City setting is wrong.
The DST setting may be incorrect.
Change the DST setting to Auto DST.
Check your Home City setting and
correct it, if necessary.
Your Home City setting is wrong.
E-42
E-12
There is not enough power for signal
reception.
Expose the watch to light to charge it.
E-74
E-75
Receivable Time Calibration Signals: Mainflingen, Germany (Call Sign: DCF77,
Frequency: 77.5 kHz); Anthorn, England (Call Sign: MSF, Frequency: 60.0 kHz);
Fort Collins, Colorado, the United States (Call Sign: WWVB, Frequency:
60.0 kHz); Fukushima, Japan (Call Sign: JJY, Frequency: 40.0 kHz);
Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz) ; Shangqiu City,
Henan Province, China (Call Sign: BPC, Frequency: 68.5 kHz)
Specifications
Accuracy at normal temperature: 30 seconds a month (with no signal
calibration)
Timekeeping: Hour, minutes, seconds, p.m. (P), year, month, day, day of the week
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to
2099
World Time: 48 cities (29 time zones)
Other: Daylight Saving Time/Standard Time
Other: Home City code (can be assigned one of 48 city codes); Standard Time/
Daylight Saving Time (summer time)
Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 23:59' 59.99"
Measuring modes: Elapsed time, split time, two finishes
Time Calibration Signal Reception: Auto receive 6 times a day (5 times a day for
the Chinese calibration signal); Remaining auto receives cancelled as soon as
one is successful; Manual receive
Countdown Timer:
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-hour increments and
1-minute increments)
E-76
E-77
Alarms: 5 Daily alarms; 4 one-time alarms; 1 snooze alarm; Hourly time signal
Illumination: EL Backlight (electro-luminescent panel)
Other: Battery power indicator; Power Saving; Button operation tone on/off
Power Supply: Solar panel and one rechargeable battery
Approximate battery operating time: 11 months (from full charge to Level 4) under
the following conditions:
x Watch not exposed to light
x Internal timekeeping
x Display on 18 hours per day, sleep state 6 hours per day
x 1 illumination operation (1.5 seconds) per day
x 10 seconds of alarm operation per day
City Code Table
x 4 minutes of signal reception per day
Frequent use of illumination runs down the battery.
E-78
L-1
Operation Guide 3219
City Code Table
City
UTC Offset/
City
UTC Offset/
City
City
Code
GMT Differential
Code
GMT Differential
City
Code
UTC Offset/
City
UTC Offset/
City
City
GMT Differential
Code
GMT Differential
THR Tehran
DXB Dubai
KBL Kabul
KHI Karachi
DEL Delhi
DAC Dhaka
RGN Yangon
BKK Bangkok
SIN Singapore
HKG Hong Kong
BJS Beijing
TPE Taipei
SEL Seoul
TYO Tokyo
ADL Adelaide
+3.5
+4
+4.5
+5
+5.5
+6
+6.5
+7
GUM Guam
+10
PPG Pago Pago
HNL Honolulu
ANC Anchorage
YVR Vancouver
LAX Los Angeles
YEA Edmonton
DEN Denver
MEX Mexico City
CHI Chicago
MIA Miami
–11
–10
–9
RIO Rio De Janeiro
RAI Praia
UTC
LIS Lisbon
LON London
MAD Madrid
PAR Paris
ROM Rome
BER Berlin
STO Stockholm
ATH Athens
CAI Cairo
JRS Jerusalem
MOW Moscow
JED Jeddah
–3
–1
SYD Sydney
NOU Noumea
WLG Wellington
+11
+12
0
–8
–7
–6
xꢀ
xꢀ
ꢀBased on data as of December 2010.
ꢀThe rules governing global times
(UTC offset and GMT differential) and
summer time are determined by each
individual country.
+1
+8
YTO Toronto
–5
NYC New York
SCL Santiago
YHZ Halifax
+2
+3
+9
–4
+9.5
YYT St. Johns
–3.5
L-2
L-3
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