Casio | MO1010-EA | User's Manual | Casio MO1010-EA User's Manual

MO1010-EA
Operation Guide 3266
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.
Warning!
• The measurement functions built into this watch are not intended for taking
measurements that require professional or industrial precision. Values produced
by this watch should be considered as reasonable representations only.
• The Moon phase indicator and tide graph data that appear on the display of this
watch are not intended for navigation purposes. Always use proper instruments
and resources to obtain data for navigation purposes.
• This watch is not a precision instrument for calculating low tide and high tide
times. The tide graph of this watch is intended to provide a reasonable
approximation of tidal movements only.
E-1
Keep the watch exposed to bright light
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Solar cell
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Bright Light
The electricity generated by the solar cell of the watch is
stored by a rechargeable 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 covered only partially.
• 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.
Solar cell
(Converts light to
electrical power.)
Battery discharges in the dark.
Bright Light
Electrical
energy
LEVEL 1
LEVEL 2
All
functions
enabled
LEVEL 3
LEVEL 1
LEVEL 2
Dis- LEVEL 3
charge
Charge LEVEL 4
LEVEL 4
Some or all
functions
disabled
Rechargeable battery
E-2
• 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 about 8 hours exposure to indoor fluorescent lighting
• Be sure to read “Power Supply” (page E-52) for important information you
need to know when exposing the watch to bright light.
E-3
About This Manual
• 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.
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” (page E-66) for more information.
E-4
Contents
General Guide ....................................................................................................... E-10
Timekeeping .......................................................................................................... E-12
Using the Diving Mode ......................................................................................... E-18
Tide/Moon Data ..................................................................................................... E-28
World Time ............................................................................................................. E-36
Alarms .................................................................................................................... E-38
Stopwatch .............................................................................................................. E-43
Countdown Timer .................................................................................................. E-45
Illumination ............................................................................................................ E-48
Power Supply ........................................................................................................ E-52
Reference .............................................................................................................. E-60
Specifications ....................................................................................................... E-73
E-5
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the time and date manually ...................................................................... E-13
To change the Daylight Saving Time (summer time) setting ............................ E-17
To start dive time measurement .......................................................................... E-21
To stop dive time measurement .......................................................................... E-21
To reset a dive time measurement and start interval measurement ................ E-22
To reset a dive time measurement and exit the Diving Mode ........................... E-22
To view dive records ............................................................................................. E-25
To delete dive records .......................................................................................... E-27
To adjust the high tide time ................................................................................. E-33
E-6
E-7
To reverse the displayed moon phase ................................................................ E-35
To illuminate the display manually ...................................................................... E-48
To view the time in another city ........................................................................... E-37
To specify the illumination duration ................................................................... E-49
To toggle a city code time between Standard Time
and Daylight Saving Time ............................................................................... E-37
To turn the auto light switch on and off .............................................................. E-51
To set an alarm time ............................................................................................. E-39
To test the alarm ................................................................................................... E-40
To turn the button operation tone on and off ..................................................... E-65
To recover from the sleep state ........................................................................... E-67
To turn Power Saving on and off ......................................................................... E-68
To turn an alarm on and off .................................................................................. E-41
To turn the Hourly Time Signal on and off .......................................................... E-42
To measure times with the stopwatch ................................................................ E-44
To configure the countdown timer ...................................................................... E-46
To use the countdown timer ................................................................................ E-47
E-8
E-9
Operation Guide 3266
Log memory Recall Mode
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Alarm Mode
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▲
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Stopwatch Mode
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▲
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▲
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Hold down C.
Countdown Timer Mode
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Press C.
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World Time Mode
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▲
Timekeeping Mode
Diving Mode
Tide/Moon Data Mode
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▲
• Press C to change from mode to mode.
• Holding down C for about one second in any mode switches directly to the Diving
Mode. Holding down C for about one second in the Diving Mode switches to the
Timekeeping Mode.
• In any mode (except when a setting screen is on the display),
press B to illuminate the display.
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General Guide
E-10
E-11
Read This Before You Set the Time and Date!
Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
• Press A to toggle between the day of the week and date (Date screen), and the
currently selected World Time city and time (Dual Time screen).
Date Screen
Dual Time Screen
Month – Day
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PM indicator
Hour : Minutes Seconds
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To set the time and date manually
1. In the Timekeeping Mode hold down A until the city
code starts to flash, which indicates the setting screen.
2. Use D and B to select the city code you want.
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• Make sure you select your Home City code before
changing any other setting.
• For full information on city codes, see the “City Code
Table” at the back of this manual.
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▲
▲
A
Dual time
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City code
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Day of week
This watch is preset with a number of city codes, each of which represents the time
zone where that city is located. When setting the time, it is important that you first
select the correct city code for your Home City (the city where you normally use the
watch). If your location is not included in the preset city codes, select the preset city
code that is in the same time zone as your location.
• Note that all of the times for the World Time Mode city codes (page E-36) are
displayed in accordance with the time and date settings you configure in the
Timekeeping Mode.
E-12
E-13
3. Press C to move the flashing in the sequence shown below to select the other
settings.
City Code
Power Saving
DST
12/24-Hour
Format
Illumination
Duration
Seconds
Button
Operation Tone
Hour
Day
Month
Screen:
To do this:
Reset the seconds to
Change the hour and minutes
Change the year, month, or day
Minutes
Year
Toggle the button operation tone between Press D.
(on) and
(off)
Toggle the illumination duration between
Press D.
(approximately 1.5 seconds) and
(approximately 3 seconds).
Toggle between Power Saving on ( ) and Press D.
off (
)
4. When the timekeeping setting you want to change is flashing, use D or B to
change it as described below.
Screen:
Do this:
Use D (east) and B
(west).
Toggle between Daylight Saving Time (ON) Press D.
and Standard Time (OFF).
Toggle between 12-hour (
) and 24- Press D.
hour (
) timekeeping
Do this:
Press D.
Use D (+) and B (–).
Use D (+) and B (–).
To do this:
Change the city code
5. Press A to exit the setting screen.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
E-14
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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.
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Daylight Saving Time (DST)
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.
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3. Use D to toggle the DST setting on (
) and off
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(
).
• The default DST setting is off (
).
4. When the setting you want is selected, press A to exit
the setting screen.
DST indicator
• The DST indicator appears to indicate that Daylight
Saving Time is turned on.
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• With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for
times in the range of noon to 11:59 p.m. and no indicator appears to the left of the
hour digits 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.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
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12-hour and 24-hour timekeeping
E-15
E-16
Diving Mode Screens
Dive Time Measurement
Reset Screen
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Dive time (hours,
minutes, seconds)
Dive Graph
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Current time
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E-18
Dive start time
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Dive time (hours,
minutes, seconds)
Ongoing Dive Time
Measurement Screen
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Mode name
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You can use the Diving Mode to log records of the duration of each of your dives. Each
record includes a log number, the dive time, and the dive start date and time. There is
enough log memory to hold up to 10 dive records. You can use the Log memory Recall
Mode to display dive records currently in log memory (page E-24).
• Hold down C to enter the Diving Mode as shown under “General Guide” on page
E-10.
• If you leave the watch in the Diving Mode for about 11 to 12 hours, it will
automatically switch to the Timekeeping Mode.
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Using the Diving Mode
E-17
Current time
Graphic Area
• The Dive Graph indicates the current dive time in minutes. While a dive time
measurement operation is in progress, the current minute of the dive flashes in the graph.
• The Dive Graph time does not include interval time (page E-20).
E-19
Operation Guide 3266
Measuring Units and Ranges
• The interval is displayed on the screen of the newest dive record, only while an
interval timing operation is in progress.
Dive Time
Unit: 1 second
Range: 23:59'59'' (24 hours)
Starting and Stopping Dive Time Measurement
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Dive Interval Time
Unit: 1 minute
Range: 47:59' (48 hours)
• When the interval time exceeds the above range, interval time measurement
automatically stops and the current interval time disappears from the screen of the
newest dive record.
• Be sure to recharge the battery by exposing the watch
to light before starting a dive.
To start dive time measurement
In the Diving Mode, press D.
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To stop dive time measurement
While a dive time measurement operation is in progress,
hold down D for about one second.
• Pressing D again without resetting the dive time
measurement will cause timing to resume from where it
was stopped.
About the Interval
The interval is time that elapses between the stop of the last dive and the start of the
next dive. The watch starts an interval measurement whenever you press A at the
end of a dive to reset dive time measurement (page E-22).
• Note that the current ongoing interval time is shown on the screen of the newest
record in log memory. It is not displayed in the Diving Mode. For information about
viewing dive records, see page E-24.
E-20
E-21
To reset a dive time measurement and start interval measurement
While dive time measurement is stopped, press A.
• This creates a new dive record with the currently displayed dive time information
and starts interval measurement. Current ongoing interval measurement is shown
on the screen of the newly created record.
Diving Time Measurement Example
• Single dive
DStart
DStop
Dive time
0:00'00''
To reset a dive time measurement and exit the Diving Mode
While dive time measurement is stopped, hold down C for about one second.
• This creates a new dive record with the currently displayed information and exits the
Diving Mode to the Timekeeping Mode.
• See “Dive records” on page E-24 for more information.
0:20'13''
Dive interval time
0:00'00''
AReset
Interval measurement is
possible up to 47:59'59''
• Multiple dives and intervals
DStart
DStop
DStart
Dive Time 1
0:00'00''
0:15'10''
0:00'00''
0:17'15''
0:20'16''
0:00'00''
A Reset
Interval 1
0:00'00''
AReset
Interval 2
E-22
E-23
Important!
• Pressing D again after stopping dive time measurement will cause timing to
resume from where it was stopped.
• Dive time/interval measurement continues internally if you exit the Diving Mode
without resetting. A dive record is not created in this case.
Dive records
A new dive record is created whenever you reset a dive time measurement, either by
pressing A to start interval measurement or by holding down C to exit the Diving
Mode.
• Each dive record includes a log number, the dive time, the dive start date and time,
and the interval prior to the dive (if there was one).
• There is enough memory for 10 dive records. If there are already 10 dive records in
memory when you perform a reset operation, the oldest record currently in memory
is deleted automatically to make room for the new record.
To view dive records
1. In the Timekeeping Mode, press C to enter the Log memory Recall Mode.
• This displays the newest record in memory.
• The interval currently being measured is displayed on the screen of the newest
dive record.
• “-:--” will appear on the screen if there is no log data stored in memory.
• If you do not perform any operation for about one or two hours in the Log memory
Recall Mode, the watch will automatically return to the Timekeeping Mode.
E-24
E-25
2. Press D to scroll through the records, from newer to older.
• Log numbers are lower for older records.
Newest Record
Record
number
Record
number
Dive start
time
Dive time
Dive start date
(month, day)
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E-26
Tide/Moon Data
In the Tide/Moon Data Mode, you can see the current tide and the current date’s
moon phase for your Home City. You can specify a date and view tide and moon data
for that date.
• See “Moon Phase Indicator” (page E-60) for information about the moon phase
indicator and “Tide Graph” (page E-63) for information about the tide graph.
• All of the operations in this section are performed in the Tide/Moon Data Mode
(page E-11).
Note
• It takes about two seconds to calculate tide graph data. You will not be able to
display a setting screen while data calculation is in progress.
• Moon age is calculated to an accuracy of ±1 day.
E-28
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Hold down A
for about three
seconds.
▲
Dive interval
time
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Dive time
To delete dive records
In the Log memory Recall Mode, hold down A for about three seconds.
• Keep A depressed for the full three seconds. During this time, message CLR will
flash on the display and then “-:--” will appear. Records will not be deleted if you
release A before “-:--” appears. “-:--” indicates that all records have been deleted.
Note
• This procedure deletes all dive records. Dive records cannot be deleted individually.
• Note that you cannot delete records while a dive time measurement operation is in
progress.
▲
D
Dive start
time
DStop
Dive Time 2
E-27
Tide Data
The tide graph that appears first when you enter the Tide/Moon Data Mode shows the
data at 6:00 a.m. for your currently selected Home City on the current date, according
to the Timekeeping Mode. From there you can specify another date or time.
• If the tide data is not correct, check your Timekeeping Mode settings and correct
them if necessary.
• The tide graph is displayed in the Timekeeping Mode, the Tide/Moon Data Mode,
and the Diving Mode.
• If the watch is in the Diving Mode when there is a transition from one date to the
next, the tide graph contents will not change to reflect the data for the new date. If
you want to update the tide graph, exit and then re-enter the Diving Mode.
• If you feel that the information shown by the tide graph is different from actual tide
conditions, you need to adjust the high tide time. See “Adjusting the High Tide Time”
(page E-32) for more information.
E-29
Operation Guide 3266
Tide/Moon Data Screens
In the Tide/Moon Data Mode, press A to toggle between the tide data screen and the
moon data screen.
Tide Data Screen
Moon Data Screen
Current tide level
Moon phase
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Time
Press A.
Month – Day
▲
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The Moon phase and Moon age information that appears first when you enter the
Tide/Moon Data Mode shows the data at noon for your currently selected Home City
on the current date, according to the Timekeeping Mode. After that you can specify
another date to view data.
• If the moon data is not correct, check your Timekeeping Mode settings and correct
them if necessary.
• The moon phase is displayed in the Timekeeping Mode, the Tide/Moon Data Mode,
and the Diving Mode.
• If the watch is in the Diving Mode when there is a transition from one date to the
next, the moon phase will not change to reflect the phase for the new date. If you
want to update the moon phase, exit and then re-enter the Diving Mode.
• If the moon phase indicator shows a phase that is a mirror image of the actual moon
phase in your area, you can use the procedure under “Reversing the Displayed
Moon Phase” (page E-34) to change it.
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Moon Data
Moon age
Month – Day
E-30
E-31
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Use the following procedure to adjust the high tide time within a particular date. You
can find out high tide information for your area from a tide table, the Internet, or your
local newspaper.
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Adjusting the High Tide Time
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To adjust the high tide time
1. In the Tide/Moon Data Mode, hold down A until the
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hour digits start to flash.
2. Use D (+) and B (–) to change the hour setting.
3. When the hour is the setting you want, press C.
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• This will cause the minute digits to flash.
4. Use D (+) and B (–) to change the minute setting.
• Pressing D and B at the same time while the time
adjustment screen is displayed (steps 2 through 4
Hour
above) will return the high tide time to its initial factory
default setting.
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5. When the minute setting is the way you want, press A
to exit the adjustment screen and return to the Tide/
Moon Data Mode screen.
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• The high tide time setting is not affected by the DST
(summer time) setting of the Timekeeping Mode.
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• When you display the Tide Data Screen, it initially shows tide data for 6:00 a.m.
• Use the Tide Data Screen to specify the Tide Data time. You can use D (+) to
change the displayed time in one-hour increments.
• Use the Moon Data Screen to specify the Tide/Moon Data date. You can use D (+)
to change the displayed date in one-day increments. Pressing D will display the
year of the displayed date.
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Minute
E-32
E-33
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To reverse the displayed moon phase
1. In the Tide/Moon Data Mode, hold down A until the
hour digits start to flash.
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2. Press C twice.
•
This will cause the moon phase indicator to flash. This
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is the indicator switching screen.
3. Press D to toggle the moon phase indicator between
the southerly view (indicated by
) and northerly
view (indicated by
).
• Northerly view: Moon is north of you.
• Southerly view: Moon is south of you.
4. When the moon phase indicator setting is the way you
want, press A to exit the switching screen and return
to the Tide/Moon Data Mode screen.
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• On some days, there are two high tides. With this watch, you can adjust the first high
tide time only. The second high tide time for that day is adjusted automatically based
on the first high tide time.
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The left-right (east-west) appearance of the moon depends on whether the moon is
north of you (northerly view) or south of you (southerly view) as you view it.
You can use the procedure below to reverse the displayed moon phase so it matches
the actual appearance of the moon where you are located.
• To determine the viewing direction of the moon, use a compass to take a direction
reading of the moon at its meridian passage.
• For information about the moon phase indicator, see “Moon Phase Indicator” (page
E-60).
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Reversing the Displayed Moon Phase
E-34
E-35
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Current time in
selected city
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use D to display the city code
(time zone) whose Standard Time/Daylight Saving Time
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setting you want to change.
2. Hold down A to toggle between Daylight Saving Time
(DST indicator displayed) and Standard Time (DST
indicator not displayed).
• The DST indicator is shown on the World Time Mode
DST indicator
screen while Daylight Saving Time is turned on.
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City code
To view the time in another city
While in the World Time Mode, use D (eastward) to scroll through the city codes
(time zones).
• Pressing D and B at the same time will jump to the UTC time zone.
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World Time shows the current time in 48 cities (31 time
zones) around the world.
• The times kept in the World Time Mode are
synchronized with the time being kept in the
Timekeeping Mode. If you feel that there is an error in
any World Time Mode time, check to make sure you
have the correct city selected as your Home City. Also
check to make sure that the current time as shown in
the Timekeeping Mode is correct.
• Select a city code in the World Time Mode to display the
current time in any particular time zone around the
globe. See the “City Code Table” at the back of this
manual for information about the UTC differential
settings that are supported.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C
(page E-11).
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World Time
• Note that the Standard Time/Daylight Saving Time setting affects only the currently
displayed city code. Other city codes are not affected.
• Note that you cannot switch between Standard Time and Daylight Saving Time while
UTC is selected as the city code.
E-36
E-37
To set an alarm time
E-38
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Alarm time
(Hour : Minutes)
1. In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
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Alarm number
Current
time
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The Alarm Mode gives you a choice of four one-time
alarms and one snooze alarm.
Also use the Alarm Mode to turn the Hourly Time Signal
(SIG) on and off.
• There are five alarm screens numbered AL1, AL2,
AL3 and AL4 for the one-time alarm, and a snooze
alarm screen indicated by SNZ. The Hourly Time
Signal screen is indicated by SIG.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C (page
E-11).
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Alarms
• To set a one-time alarm, display alarm screen AL1, AL2, AL3 or AL4.
To set the snooze alarm, display the SNZ screen.
• 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, which indicates the setting screen.
• This operation turns on the alarm automatically.
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.
• With the 12-hour format, set the time correctly as a.m. or p.m. (P indicator).
5. Press A to exit the setting screen.
E-39
Operation Guide 3266
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the
watch is in. In the case of the snooze alarm, the alarm operation is performed a total
of seven times, every five minutes, until you turn the alarm off (page E-41).
• Alarm and Hourly Time Signal operations are performed in accordance with the
Timekeeping Mode time.
• To stop the alarm tone after it starts to sound, press any button.
• Performing any one of the operations below during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen (page E-13)
Displaying the SNZ setting screen (page E-39)
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn an alarm on and off
1. In the Alarm Mode, use D to select an alarm.
Alarm on indicator
2. Press A to toggle it on (
) and off (xx).
• Turning on an alarm (AL1, AL2, AL3, AL4 or
SNZ) displays the alarm on indicator on its Alarm Mode
screen.
• In all modes, the alarm on indicator is shown for any
alarm that currently is turned on.
• The alarm on indicator flashes while the alarm is
sounding.
• The snooze alarm indicator (SNZ) flashes while the
On/Off status
snooze alarm is sounding and during the 5-minute
intervals between alarms.
E-40
E-41
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use D to select the Hourly Time
Hourly time signal
Signal (SIG).
on indicator
2. Press A to toggle it on (
) and off (xx).
• The Hourly Time Signal on indicator is shown on the
display in all modes while this function is turned on.
Stopwatch
Hours
Seconds
On/Off status
1/100 second
Minutes
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 23 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
elapsed time measurement.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C (page
E-11).
E-42
E-43
To measure times with the stopwatch
Elapsed Time
D
Start
Split Time
D
Start
Two Finishes
D
➤D
Re-start
➤D
Stop
➤A
Clear
➤A
Split
(SPL displayed)
➤A
Split release
➤D
Stop
➤A
Clear
➤A
➤D
Split
Stop
First runner finishes. Second runner
Display time of first finishes.
runner.
Start
Countdown Timer
➤D
Stop
➤A
Split release
Display time of
second runner.
➤A
Clear
You can set the countdown timer within a range of one
minute to 24 hours. 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 (page E-11).
Hours
Minutes
Seconds
E-44
The countdown end beeper lets you know when the
countdown reaches zero. The beeper stops after about 10
seconds or when you press any button.
E-45
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To use the countdown timer
Press D while in the Countdown Timer Mode to start the
Timer start time
countdown timer.
• The countdown timer operation continues even if you
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exit the Countdown Timer Mode.
• Press D while a countdown operation is in progress to
pause it. Press D again to resume the countdown.
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• 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.
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To configure the countdown timer
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.
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• If the countdown start time is not displayed, use the
procedure under “To use the countdown timer” (page
E-47) to display it.
2. Press C to move the flashing between the hour and
minute settings.
3. When a setting is flashing, use D (+) and B (–) to
change it.
• To specify a countdown start time of 24 hours, set
.
4. Press A to exit the setting screen.
Current timer time
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E-46
E-47
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To specify the illumination duration
1. In the Timekeeping Mode, hold down A until the
display contents start to flash. This is the setting screen.
2. Press C 10 times until the current illumination duration
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or
) appears.
setting (
3. Press D to toggle the setting between
(approximately 1.5 seconds) and
(approximately
3 seconds).
4. Press A to exit the setting screen.
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To illuminate the display manually
In any mode, press B to turn on illumination.
• The above operation turns on illumination regardless of
the current auto light switch setting.
• You can use the procedure below to select either 1.5 seconds or 3 seconds as the
illumination duration when you press B.
• Regardless of the watch’s current illumination duration setting, the display remains
illuminated for about three seconds in the Diving Mode.
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Auto light switch on
indicator
This 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 turns on illumination
automatically when you angle the watch towards your
face.
• The auto light switch must be turned on (indicated by
the auto light switch on indicator) for it to operate.
• See “Illumination Precautions” (page E-70) for other
important information about using illumination.
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Illumination
E-48
Countdown End Beeper
E-49
Operation Guide 3266
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 turn on the backlight 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.
Parallel to
ground
More than 40°
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
startle or distract others around you.
• When you are wearing the watch, make sure that its auto light switch is turned
off before riding 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, hold down B for about three seconds to toggle the auto
light switch on (auto light switch on indicator displayed) and off (auto light switch on
indicator not displayed).
• The auto light switch on indicator is on the display in all modes while the auto light
switch is turned on.
E-50
E-51
Power Supply
This watch is equipped with a solar cell and a rechargeable battery that is charged by
the electrical power produced by the solar cell. The illustration shown below shows
how you should position the watch for charging.
Example: Orient the watch so its face is
pointing at a light source.
• The illustration shows how to position a
watch with a resin band.
• Note that charging efficiency drops when
any part of the solar cell is blocked by
clothing, etc.
• You should try to keep the watch outside of
your sleeve as much as possible. Charging
is reduced significantly even if the face is
covered only partially.
Solar cell
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 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 rechargeable battery to charge fully, contact your dealer or
CASIO distributor about having it replaced.
• Never try to remove or replace the watch’s rechargeable battery yourself. Use of the
wrong type of battery can damage 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 5 (page
E-54) and when you have the battery replaced.
• Turn on the watch’s Power Saving function (page E-66) 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.
E-52
E-53
Battery Power Indicator and Recover Indicator
The battery power indicator on the display shows you the current status of the
rechargeable battery’s power.
Battery Power Indicator
Level
1
Function Status
All functions enabled.
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2
All functions enabled.
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3
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Battery power
indicator
4
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5
Illumination, beeper, and
Diving Mode access
(Charge
disabled.
Soon Alert)
Except for timekeeping and
the CHG (charge) indicator,
all functions and display
indicators disabled.
All functions disabled.
• The flashing L indicator at Level 3 tells 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. Once the battery reaches Level 2 after falling to Level 5, reconfigure the
current time, date, and other settings.
• The watch’s Home City code setting will change automatically to TYO (Tokyo)
whenever the battery drops to Level 5.
• Display indicators reappear as soon as the battery is charged from Level 5 to Level 2.
• Leaving the watch exposed to direct sunlight or some other very strong light source
can cause the battery power indicator to show a reading temporarily that is higher
than the actual battery level. The correct battery level should be indicated after a few
minutes.
E-54
E-55
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• If you use the light or alarms a number of times during a
short period, all segments of the battery power indicator
flash and the following operations become temporarily
disabled as battery power recovers.
- Display illumination
- Alarm and hourly time signal
- Access to Diving Mode
After some time, the battery power indicator should stop
flashing to indicate that battery power is back to normal.
At this time the watch should return to normal operation.
• If the battery power indicator frequently flashes, it
means that battery power is low. Leave the watch in
bright light to allow it to charge.
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
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E-56
E-57
Charging Guide
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)
Level 2
Level 1
2 hours
21 hours
6 hours
8 hours
106 hours
29 hours
16 hours
215 hours
58 hours
189 hours
--------
--------
▲
Approximate Exposure Time
Level 5
Level 4
Level 3
▲
• For details about the battery operating time and daily operating conditions, see the
“Power Supply” section of the Specifications (page E-75).
• Stable operation is promoted by frequent exposure to light.
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)
Approximate
Exposure Time
5 minutes
24 minutes
48 minutes
8 hours
Recovery Times
The table below shows the amount exposure that is required to take the battery from
one level to the next.
• The above exposure time values are all for reference only. Actual required exposure
times depend on lighting conditions.
E-58
E-59
Operation Guide 3266
(part you cannot see)
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.
Moon Phase indicator
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28.7-29.8
1.0-2.7 2.8-4.6 4.7-6.4 6.5-8.3 8.4-10.1 10.2-12.0 12.1-13.8
0.0-0.9
New
First
Moon
Quarter
(Waxing)
Moon Age
Moon Phase Indicator
The moon phase indicator of this watch indicates the
current phase of the moon as shown below. It is based on
the view of the left side of the moon at meridian transit
from the northern hemisphere of the earth. If the
appearance of the moon phase indicator is reversed from
the actual moon as viewed from your location, you can
use the procedure under “To reverse the displayed moon
phase” (page E-35) to change the indicator.
Moon phase (part you can see)
Moon Phase
Indicator
Moon Phase
Moon Phase
Indicator
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Moon Age
13.9-15.7 15.8-17.5 17.6-19.4 19.5-21.2 21.3-23.1 23.2-24.9 25.0-26.8 26.9-28.6
Full
Last
Moon
Quarter
(Waning)
Moon Phase
E-60
E-61
Tidal Movements
Tides are the periodic rise and fall of the water of oceans, seas, bays, and other
bodies of water caused mainly by the gravitational interactions between the Earth, the
Moon and the Sun. Tides rise and fall about every six hours. The tide graph of this
watch indicates tidal movement based on the Moon’s transit over a meridian and the
lunitidal interval. The tide graph calculates and graphically represents current tide
conditions in your Home City or a port city in the vicinity of the Home City based on
longitudes, lunar day length, and lunitidal interval preset in watch memory, and on
high tide times specified by you.
Lunitidal Interval
Theoretically, high tide is at the moon’s transit over the meridian and low tide is about
six hours later. Actual high tide occurs somewhat later, due to factors such as
viscosity, friction, and underwater topography. Both the time differential between the
moon’s transit over the meridian until high tide and the time differential between the
moon’s transit over the meridian until low tide are known as the “lunitidal interval”.
Tide Graph
The tide graph graphically represents the current tide condition using one of three
patterns that represent spring tide, intermediate tide, and neap tide, as shown below.
Tide Name
Graph
Description
Spring tide
Large difference between high tide
and low tide. Occurs a few days
before and after a new moon and a
full moon.
Intermediate tide
Medium difference between high tide
and low tide.
Neap tide
Small difference between high tide
and low tide. Occurs a few days
before and after the first quarter and
the last quarter of a half moon.
E-62
E-63
• The tide graph flashes as shown below to indicate the tide range.
Button Operation Tone
Mute indicator
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Low tide
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, alarms,
the Hourly Time Signal, and other beepers all operate
normally.
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High tide
High tide
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E-64
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• The segments on either end of the tide graph flash during high tide.
To turn the button operation tone on and off
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Press C nine times until the current button operation
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tone setting (
or
) appears.
3. Press D to toggle the setting between
(tone on)
and
(tone off).
4. Press A to exit the setting screen.
• The mute indicator is displayed in all modes when the
button operation tone is turned off.
E-65
Power Saving Function
When turned on, the Power Saving function enters a
sleep state automatically whenever the watch is left in an
area for a certain period where it is dark. The table below
shows how watch functions are affected by the Power
Saving function.
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Power saving indicator
Elapsed Time
Display
in Dark
60 to 70 minutes Blank, with Power Saving
indicator flashing
Blank, with Power Saving
6 or 7 days
indicator not flashing
Operation
• The watch will not enter the sleep state between 6:00 a.m. and 9:59 p.m. If the
watch is already in the sleep state when 6:00 a.m. arrives, however, it will remain in
the sleep state.
• The watch will not enter a sleep state while in the Diving Mode, Stopwatch Mode, or
Countdown Timer Mode.
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 (page E-50).
All functions enabled, except for the
display
Beeper tone, illumination, and display
are disabled.
• Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.
E-66
E-67
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saving
indicator
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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.
2. Press C 11 times until the Power Saving on/off screen
appears.
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3. Press D to toggle Power Saving on (
) and off (
).
4. Press A to exit the setting screen.
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• The Power Saving indicator is on the display in all
Power
modes while Power Saving is turned on.
Initial Screens
When you enter the World Time Mode or Alarm Mode, the data you were viewing
when you last exited the mode appears first.
On/Off status
Auto Return
• If you do not perform any operation for about two or three minutes while a setting
screen (with a flashing setting) is on the display, the watch will exit the setting screen
automatically.
• 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 and Tide/Moon Data
Mode.
E-68
Scrolling
B and D 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
at high speed.
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 one. In the range of 00 to 29, the seconds
are reset to 00 without changing the minutes.
• 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 when battery power drops to Level 5 (page E-54).
E-69
Operation Guide 3266
• The current time for all city codes in the Timekeeping Mode and World Time Mode is
calculated in accordance with the Coordinated Universal Time (UTC) for each city,
based on your Home City time setting.
World Time
The seconds count of the World Time is synchronized with the seconds count of the
Timekeeping Mode.
Auto light switch precautions
• Avoid wearing the watch on the inside of your wrist while the auto light switch is
enabled. Doing so causes the auto light switch to operate when it is not needed,
which shortens battery life. If you want to wear the watch on the inside of your wrist,
disable the auto light switch feature.
More than 15 degrees
too high
Illumination Precautions
• The electro-luminescent panel that provides illumination loses power after very long
use.
• Illumination may be difficult 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.
• 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 a preset amount of time (1.5
or 3 seconds), 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 toward 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.
E-70
E-71
• 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.
Specifications
Accuracy at normal temperature: ±15 seconds a month
Timekeeping: Hour, minutes, seconds, p.m. (P), 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
Other: Home City code (can be assigned one of 48 city codes); Standard Time /
Daylight Saving Time (summer time)
Diving Functions:
Dive time measurement unit: 1 second
Dive time measurement range: 23:59'59'' (24 hours)
Dive interval time measurement unit: 1 minute
Dive interval time measurement range: 47:59' (48 hours)
Dive records: 10 (Dive start month, day, and time, dive time, dive interval time)
Tide/Moon Data:
Moon phase indicator for specific date; Tide level for specific date and time
Other: High tide time adjustment; Moon phase reversal
World Time: 48 cities (31 time zones)
Other: Daylight Saving Time/Standard Time
E-72
E-73
Alarms: 5 daily alarms (four one-time alarms; one snooze alarm); Hourly Time Signal
Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 23:59' 59.99''
Measuring modes: Elapsed time, split time, two finishes
Countdown Timer:
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Illumination: EL (electro-luminescent panel); Full Auto Light Switch; Selectable
illumination duration
Other: Button operation tone on/off
Power Supply: Solar cell and one rechargeable battery
Approximate battery operating time: 10 months (from full charge to Level 4) under
the following conditions:
• Watch not exposed to light
• Internal timekeeping
• 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
• 50 Diving Mode operations per year (60-minute dive time per measurement)
Frequent use of illumination runs down the battery. Particular care is required
when using the auto light switch.
E-74
E-75
City Code Table
City
Code
PPG
HNL
ANC
YVR
LAX
YEA
DEN
MEX
CHI
NYC
SCL
YHZ
YYT
L
City
Pago Pago
Honolulu
Anchorage
Vancouver
Los Angeles
Edmonton
Denver
Mexico City
Chicago
New York
Santiago
Halifax
St. Johns
UTC Offset/
GMT Differential
–11
–10
–9
–8
–7
–6
–5
–4
–3.5
City
UTC Offset/
City
Code
GMT Differential
RIO Rio De Janeiro
–3
FEN Fernando de Noronha
–2
RAI
Praia
–1
UTC
LIS
Lisbon
0
LON
London
MAD
Madrid
PAR
Paris
ROM
Rome
+1
BER
Berlin
STO
Stockholm
ATH
Athens
CAI
Cairo
+2
JRS
Jerusalem
City
Code
MOW
JED
THR
DXB
KBL
KHI
DEL
KTM
DAC
RGN
BKK
City
Moscow
Jeddah
Tehran
Dubai
Kabul
Karachi
Delhi
Kathmandu
Dhaka
Yangon
Bangkok
UTC Offset/
GMT Differential
+3
+3.5
+4
+4.5
+5
+5.5
+5.75
+6
+6.5
+7
City
Code
SIN
HKG
BJS
TPE
SEL
TYO
ADL
GUM
SYD
NOU
WLG
City
Singapore
Hong Kong
Beijing
Taipei
Seoul
Tokyo
Adelaide
Guam
Sydney
Noumea
Wellington
UTC Offset/
GMT Differential
+8
+9
+9.5
+10
+11
+12
• Based on data as of December 2009.
• The rules governing global times (UTC offset and GMT differential) and summer
time are determined by each individual country.
L-1
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