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Operation Guide 2926
1
MO0503-EB
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 and keep it on hand for later reference
when necessary.
Warning!
· The longitude, lunitidal interval, Moon phase indicator, tide graph data, and solar
azimuth 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 an 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.
· When engaging in mountain climbing or other activities in which losing your way
can create a dangerous or life-threatening situation, always be sure to use a
second compass to confirm direction readings.
· CASIO COMPUTER CO., LTD. assumes no responsibility for any loss, or any
claims by third parties that may arise through the use of this watch.
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.
(Light)
General Guide
· The illustration below shows which buttons you need to press to navigate between
modes.
· In any mode, press L to illuminate the display.
Moon / Tide Data Mode
Countdown Timer Mode
Dual Time Mode
Timekeeping Mode
Alarm Mode
Stopwatch Mode
Press C.
Press B.
Bearing Mode
Press C.
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
· The tide graph shows tidal movements for the current
date in accordance with the current time as kept in the
Timekeeping Mode.
· The Moon phase indicator shows the current Moon
phase in accordance with the current date as kept in the
Timekeeping Mode.
Important!
· Moon phase, tide graph data, Bearing Mode solar
azimuth data, and Moon/Tide Data Mode data will not
be displayed properly unless the Timekeeping Mode
current date and time settings and Home Site data are
configured correctly. See "Home Site Data" for more
information.
Day of week
Month ­ Day
Hour : Minutes Seconds
PM
indicator
Tide graph
Moon phase indicator
To set the time and date
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select other settings.
Hour
Seconds
12/24-Hour
Format
Day
Month
Year
Minutes
3. When the setting you want to change is flashing, use D and B to change it as
described below.
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Year
To change this setting
Seconds
Hour, Minutes, Year,
Month, Day
12/24-Hour Format
Perform this button operation
Press D to reset to
00.
Use D (+) and B (­) to change the setting.
Press D to toggle between 12-hour (
12H) and
24-hour (
24H) timekeeping.
4. Press A twice to exit the setting screen.
· The first press of A displays the GMT differential setting screen. Pressing A again
exits the setting screen.
· The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all modes.
· The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
Home Site Data
Tide graph data and Bearing Mode solar azimuth data will not be displayed properly
unless Home Site data (GMT differential, longitude, and lunitidal interval) is configured
correctly.
· The GMT differential is the time difference of the time zone where the site is located
from Greenwich Mean Time.
· Note that you must add one hour to the GMT differential for your time zone
whenever you change to Daylight Saving Time. Subtract one hour when you change
back to Standard Time.
· The lunitidal interval is the time elapsing between the Moon's transit over a meridian
and the next high tide at that meridian. See "Lunitidal Interval" for more information.
· This watch displays lunitidal intervals in terms of hours and minutes.
· The "Site/Lunitidal Interval Data List" provides GMT differential, longitude, and
lunitidal interval information around the world.
· The following is the initial factory default Home Site data (Tokyo, Japan) when you
first purchase the watch and whenever you have the battery replaced. Change these
settings to match the area where you normally use the watch.
GMT differential (+9.0); Longitude (East 140 degrees); Lunitidal interval (5 hours,
20 minutes)
To configure Home Site data
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press A again to display the GMT differential setting
screen.
3. Press C to move the flashing in the sequence shown
below to select other settings.
Lunitidal Interval
Hours
Lunitidal Interval
Minutes
Longitude
GMT
Differential
4. When the setting you want to change is flashing, use D and B to change it as
described below.
GMT differential
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Setting
GMT Differential
Longitude
Lunitidal Interval
Hours, Minutes
Screen
Button Operations
Use D (+) and B (­) to change the setting.
· You can specify a value in the range of ­11.0
to +14.0, in 0.5-hour units.
Use D (+) and B (­) to change the setting.
· You can specify a value in the range of
179°W to 180°E, in 1-degree units.
Use D (+) and B (­) to change the setting.
5. Press A to exit the setting screen.
Bearing Mode
The Bearing Mode lets you determine approximate
directions using a displayed angle value that indicates the
angle to the sun (solar azimuth).
· All of the operations in this section are performed in the
Bearing Mode, which you can enter from the
Timekeeping Mode by pressing B.
Important!
Before the watch can calculate the solar azimuth (the
angle of the sun in relation to your location) correctly, you
must first set the correct current time, current date, and
Home Site in the Timekeeping Mode. You must also
specify whether the sun traverses the sky to the north or
to the south of your current position.
Solar azimuth
· Note that you cannot use the Bearing Mode to determine directions in the following
cases.
When the sun is not visible
At night
When sun traverses the sky directly overhead or when you cannot determine if it
traverses to the north or south
To set the traverse direction of the sun
1. In the Bearing Mode, hold down A until
N or S flashes
on the display. This indicates the setting screen.
2. Press D to toggle the setting between
N (north) and S
(south).
3. Press A to exit the setting screen.
· At this time the watch uses the traverse direction setting
you just configured and the Timekeeping Mode data to
calculate and display the solar azimuth.
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Operation Guide 2926
2
To determine your bearings
1. Enter the Bearing Mode.
· This displays the current solar azimuth value in accordance with the current
Timekeeping Mode data (time, date, Home Site data).
2. Find the same value on the bezel as the angle value displayed for the solar azimuth
on the Bearing Mode screen.
3. Position the watch so the value you found in step 2 is pointing at the sun.
4. The 12 o'clock position of the watch should now be pointed north.
· Note that the bearings produced by the Bearing Mode are intended for general
reference only.
North
Bezel
Moon/Tide Data
Moon/tide data lets you view the Moon age and Moon
phase for a particular date, and tidal movements for a
particular date and time for the Home Site.
· If you suspect that the Moon/tide data is not correct for
some reason, check the Timekeeping Mode data
(current time, date, and Home Site settings), and make
changes as required.
· See "Moon Phase Indicator" for information about the
Moon phase indicator and "Tide Graph" for information
about the tide graph.
· All of the operations in this section are performed in the
Moon/Tide Data Mode, which you enter by pressing C.
Moon phase indicator
Moon age
Tide graph
Moon/Tide Data Screens
Each press of A in the Moon/Tide Data Mode toggles between the Moon Data
screen and the Tide Data screen.
· When you enter the Moon/Tide Data Mode, the data that appears first is the Moon
data (Moon age and Moon phase indicator) for the current date as kept by the
Timekeeping Mode.
Press A.
Tide Data Screen
Moon Data Screen
Tide gragh
Time
Moon age
Moon phase indicator
Year Month ­ Day
To view the Moon data for a particular date
While the Moon Data screen is displayed in the Moon/Tide Data Mode, use D (+) and
B (­) to display the date whose Moon data you want to view.
· You can select any date from 2000 to 2039.
To view tide data for a particular time
1. While the Moon Data screen is displayed in the Moon/Tide Data Mode, use D (+)
and B (­) to display the date whose tide data you want to view.
2. Press A to switch to the Tide Data screen.
· The initial screen shows the tide graph for 6:00 AM.
3. Specify the time for which you want to display tide data.
· Use D (+) and B (­) to change the time in one-hour steps.
Countdown Timer
The countdown timer can be set within a range of one
minute to 60 minutes. An alarm sounds when the
countdown reaches zero. The countdown timer has two
modes: auto-repeat and elapsed time, and a progress
beeper signals the progress of the countdown. All of this
makes the countdown timer a valuable tool for timing the
start of a yacht race.
· All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
Configuring Countdown Timer Settings
The following are the settings you should configure before actually using the
countdown timer.
Countdown start time and reset time
Timer mode (auto-repeat, elapsed time)
Progress beeper on/off
Timekeeping Mode time
Minutes
Seconds
· See "To configure countdown timer settings" for information about setting up the
timer.
Reset Time
You can set a "reset time," which is a kind of alternate countdown start time you can
recall with the press of a button any time a countdown operation is in progress.
Timer Mode
The countdown timer gives you a choice of two modes: auto-repeat and elapsed time.
Auto-repeat
Auto-repeat automatically restarts the countdown from the countdown start time
whenever zero is reached.
· Auto-repeat mode is best when timing the starts of match races.
· Even if you start a countdown operation from the reset time, the countdown
automatically restarts from the countdown start time whenever it reaches zero.
· Auto repeat timing repeats up to seven times.
Elapsed Time
When the end of the countdown is reached in the elapsed time mode, the timer
automatically switches to an elapsed time measurement operation.
· The elapsed time mode is best when timing the speed of yachts during ocean races.
· The elapsed time operation is performed in one-second increments up to 99 hours,
59 minutes, 59 seconds.
Countdown Timer Beeper Operations
The watch beeps at various times during a countdown so you can keep informed
about the countdown status without looking at the display. The following describes the
types of beeper operations the watch performs during a countdown.
Countdown End Beeper
The watch beeps each second of the final 10 seconds before a countdown reaches
zero, and at zero. The first five beeps (seconds 10 through 6) are higher pitched than
the final five beeps (seconds 5 through 1). The watch emits a longer beep to signal
when the countdown reaches zero.
· The countdown end beeper always sounds, regardless of the on/off status of the
progress beeper.
Progress Beeper
The progress beeper actually includes two beepers: a reset time beeper and a reset
period progress beeper.
· The reset time beeper and reset period progress beeper sound only while the
progress beeper is turned on.
Reset Time Beeper
The reset time beeper is similar to the countdown end beeper. When the progress
beeper is turned on, the watch beeps each second of the final 10 seconds before the
countdown reaches the reset time.
Reset Period Progress Beeper
The reset period is the portion of the countdown between the reset time and zero.
When the progress beeper is turned on, the watch emits four short beeps at the top of
each minute during the reset period, and 30 seconds before the end of the
countdown.
Countdown Timer Examples
Countdown start time: 10 minutes; Reset time: 5 minutes; Timer mode: Auto-repeat;
Progress beeper: On
10'00"
Start Time
Reset Time
0'00"
1'00" 0'30"
2'00"
3'00"
4'00"
5'00"
Reset Period
Reset Period Progress Beeper
Countdown
End Beeper
Reset Time Beeper
Countdown start time: 10 minutes; Reset time: 5 minutes; Timer mode: Elapsed time;
Progress beeper: Off
10'00"
0'00"
5'00"
Countdown
End Beeper
Elapsed time
measurement
Start Time
Reset Time
To configure countdown timer settings
1. While the countdown start time is on the display in the
Countdown Timer Mode, hold down A until the
countdown start time setting 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.
Start
Time
Reset
Time
Timer
Mode
Progress
Beeper
3. When the setting you want to change is flashing, use D and B to change it as
described below.
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Setting
Start Time
Reset Time
Timer Mode
Progress
Beeper
Screen
Button Operations
Use D (+) and B (­) to change the setting.
· You can set a start time in the range of 1 to 60 minutes
in 1-minute increments.
Use D (+) and B (­) to change the setting.
· You can set a reset time in the range of 1 to 5 minutes
in 1-minute increments.
Press D to toggle between the auto-repeat mode (
ON)
and the elapsed time mode (
OFF).
· An auto-repeat indicator ( ) appears when the auto-
repeat mode is selected.
Press D to toggle progress beeper on (
ON) and off (OFF).
· A progress beeper indicator ( ) appears when this
setting is turned on.
4. Press A to exit the setting screen.
· The reset time setting must be less than the countdown start time setting.
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To use the countdown timer
In the Countdown Timer Mode, press D to start the
countdown timer.
· The countdown timer measurement operation continues
even if you exit the Countdown Timer Mode.
· The table below describes button operations you can
perform to control countdown operations.
To do this:
Stop the countdown operation
Resume a stopped countdown operation
Display the countdown start time
Stop the countdown operation and display the reset time
Start the countdown from the displayed reset time
Do this:
Press D.
Press D again.
While the countdown is
stopped, press B.
Press B.
Press D.


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Operation Guide 2926
3
· The table below describes button operations you can perform during an elapsed
time measurement operation in the elapsed time mode.
To do this:
Stop the elapsed time operation
Resume a stopped elapsed time operation
Display the countdown start time
Stop the elapsed time operation and display the reset time
Start the countdown from the displayed reset time
Do this:
Press D.
Press D again.
While the elapsed time is
stopped, press B.
Press B.
Press D.
Alarms
You can set five independent Daily Alarms. When an
alarm is turned on, the alarm tone sounds when the alarm
time is reached. One of the alarms can be configured as a
snooze alarm or a one-time alarm, while the other four are
one-time alarms.
You can also turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
· There are five alarm screens numbered 1 through 5.
The hourly time signal screen is indicated by
:00.
· When you enter the Alarm Mode, the screen you were
viewing when you last exited the mode appears first.
· All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
Alarm number
Alarm time
(Hour : Minutes)
Timekeeping Mode time
To set an alarm time
1. In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
x2
x3
:00
x1
x5
x4
· You can configure Alarm 1 as a snooze alarm or a one-time alarm. Alarms 2
through
5 can be used as one-time alarms only.
· The snooze alarm repeats every five minutes.
2. After you select an alarm, hold down A until the hour setting of the alarm time
starts to flash. This indicates the setting screen.
· This operation automatically turns on the alarm.
3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (­) to change it.
· When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (no indicator) or p.m. (P indicator).
5. Press A to exit the setting screen.
Alarm Operation
The alarm sounds at the preset time for about 10 seconds. In the case of the snooze
alarm, the alarm operation is performed a total of seven times, every five minutes, until
you turn the alarm off or change it to a one-time alarm.
Note
· Pressing any button stops the alarm tone operation.
· Performing any one of the following operations during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the Alarm
1 setting screen
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn Alarms
2
2
2
2
2 through 5
5
5
5
5 on and off
1. In the Alarm Mode, use D to select a one-time alarm
(alarm number
2 through 5).
2. Press B to toggle the displayed alarm on and off.
· Turning on a one-time alarm (2 through 5) displays the
alarm on indicator on its screen.
· If any alarm is on, the alarm on indicator is shown on
the display in all modes.
Alarm on indicator
To select the operation of Alarm
1
1
1
1
1
1. In the Alarm Mode, use D to select Alarm
1.
2. Press B to cycle through the available settings in the sequence shown below.
· The applicable alarm on indicator (
or
) is displayed in all modes when an
alarm is turned on.
· The snooze alarm on indicator flashes during the 5-minute intervals between
alarms.
· Displaying the Alarm 1 setting screen while the snooze alarm is turned on
automatically turns off the snooze alarm (making Alarm
1 a one-time alarm).
Alarm on
Snooze alarm on
Alarm off
To turn the hourly time signal on and off
1. In the Alarm Mode, use D to select the Hourly Time
Signal.
2. Press B to toggle it on and off.
· Turning on the Hourly Time Signal displays the hourly
time signal on indicator.
· The hourly time signal on indicator is displayed in all
modes.
Hourly time signal
on indicator
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
· The display range of the stopwatch is 99 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.
Seconds
1/100 second
Minutes
Hours
To measure times with the stopwatch
D
Start
Stop
Elapsed Time
Re-start
Clear
D
Stop
D
D
B
Split Time
D
Start
Split
Split release
Clear
B
Stop
B
D
B
Two Finishes
D
Start
Split
Stop
Clear
B
Split release
D
B
B
First runner
finishes.
Display time of
first runner.
Second runner
finishes.
Display time of
second runner.
(SPL displayed)
Dual Time
The Dual Time Mode lets you keep track of time in a
different time zone.
· The seconds count of the Dual Time is synchronized
with the seconds count of the Timekeeping Mode.
To set the Dual Time
1. Press C to enter the Dual Time Mode.
2. Use A, B, and D to set the Dual Time Mode time.
· Each press of D (+) and B (­) changes the time
setting in 30-minute increments.
· Pressing A sets the Dual Time Mode to the same time
as the Timekeeping Mode.
Timekeeping Mode time
Dual time
(Hour : Minutes Seconds)
Illumination
The display of the watch is illuminated by an LED (light-
emitting diode) and a light guide panel for easy reading in
the dark. The watch's auto light switch automatically turns
on illumination 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" for other important
information about using illumination.
To turn on illumination manually
In any mode, press L to illuminate the display for about
one second.
· The above operation turns on illumination regardless of
the current auto light switch setting.
Auto light switch
on indicator
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.
Moving the watch to a position that is parallel to the ground and then tilting it
towards you at more than 40 degrees causes illumination to turn on.
· Wear the watch on the outside of your wist.
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 on a bicycle or operating a motorcycle or any other motor
vehicle. Sudden and unintended operation of the auto light switch can create a
distraction, which can result in a traffic accident and serious personal injury.
To turn the auto light switch on and off
In the Timekeeping Mode, hold down D for about two seconds to toggle the auto light
switch on (auto light switch on indicator displayed) and off (auto light switch on
indicator not displayed).
· In order to protect against runnning down the battery, the auto light switch will turn
off automatically approximately six hours after you turn it on. Repeat the above
procedure to turn the auto light switch back on if you want.
· The auto light switch on indicator is on the display in all modes while the auto light
switch is turned on.


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Operation Guide 2926
4
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
The Moon phase indicator of this watch indicates the current phase of the Moon as
shown below.
Moon Phase
Indicator
Moon Age
Moon Phase
0, 1, 29
2 - 5
6 - 9
10 - 13 14 - 16 17 - 20 21 - 24 25 - 28
New
Moon
First
Quarter
(Waxing)
Full
Moon
Last
Quarter
(Waning)
(part you cannot see)
Moon phase (part you can see)
· The Moon phase indicator shows the Moon as viewed at noon from a position in the
Northern Hemisphere looking south. Note that at times the image shown by the
Moon phase indicator may differ from that of the actual Moon in your area.
· The left-right orientation of the Moon phase is reversed when viewing from the
Southern Hemisphere or from a point near the equator.
Moon Phases and Moon Age
The Moon goes through a regular cycle that averages 29.53 days. During each cycle,
the Moon appears to wax and wane as the relative positioning of the Earth, Moon, and
Sun changes. The greater the angular distance between the Moon and the Sun,
* the
more we see illuminated.
* The angle to the Moon in relation to the direction at which the Sun is visible from the
Earth.
This watch performs a rough calculation of the current Moon age starting from day 0
of the moon age cycle. Since this watch performs calculations using integer values
only (no fractions), the margin for error of the displayed Moon age is ±3 days.
Tide Graph
The black bars on the watch's tide graph indicate the current tide.
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,
Moon and 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 lunitidal interval differs according to your current location, so you must
specify a lunitidal interval in order to obtain the correct tide graph readings.
High
tide
Low
tide
· The tide graph displayed by this watch is based on the current Moon age.
Remember that the margin for error of the Moon age displayed by this watch is ±3
days. The greater the error in a particular Moon age, the greater the error in the
resulting tide graph.
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."
When setting the lunitidal interval for this watch, use the time differential between the
Moon's transit over the meridian until high tide.
Auto Return Feature
If you leave a screen with flashing digits on the display for two or three minutes without
performing any operation, the watch automatically saves any settings you have made
up to that point and 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.
Timekeeping
· Resetting the seconds to 00 while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to
00 without changing the minutes.
· With the 12-hour format, the P (PM) indicator appears on the display for times in the
range of noon to 11:59 p.m. and no indicator appears for times in the range of
midnight to 11:59 a.m.
· With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
· The year can be set in the range of 2000 to 2039.
· The watch's built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch's battery replaced.
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 battery.
Auto light switch precautions
· Wearing the watch on the inside of your wrist, movement of your arm, or vibration of
your arm can cause frequent activation of the auto light switch and illumination of the
display. To avoid running down the battery, turn off the auto light switch whenever
engaging in activities that might cause frequent illumination of the display.
More than 15 degrees
too high
· Illumination may not turn on if the face of the watch is
more than 15 degrees above or below parallel. Make
sure that the back of your hand is parallel to the ground.
· Illumination turns off in about one second, even if you
keep the watch pointed towards your face.
· Static electricity or magnetic force can interfere with
proper operation of the auto light switch. If illumination
does not turn on, try moving the watch back to the
starting position (parallel with the ground) and then tilt it
back towards you again. If this does not work, drop your
arm all the way down so it hangs at your side, and then
bring it back up again.
· Under certain conditions, illumination may not turn on until about one second after
you turn the face of the watch towards you. This does not necessarily indicate
malfunction of the auto light switch.
· You may notice a very faint clicking sound coming from the watch when it is shaken
back and forth. This sound is caused by mechanical operation of the auto light
switch, and does not indicate a problem with the watch.
Anchorage
­9.0
­8.0
149°W
5:40
Bahamas
­5.0
­4.0
77°W
7:30
Baja, California
­7.0
­6.0
110°W
8:40
Bangkok
+7.0
+8.0
101°E
4:40
Boston
­5.0
­4.0
71°W
11:20
Buenos Aires
­3.0
­2.0
58°W
6:00
Casablanca
+0.0
+1.0
8°W
1:30
Christmas Island
+14.0
+15.0 (*
)
158°W
4:00
Dakar
+0.0
+1.0
17°W
7:40
Gold Coast
+10.0
+11.0
154°E
8:30
Great Barrier Reef, Cairns
+10.0
+11.0
146°E
9:40
Guam
+10.0
+11.0
145°E
7:40
Hamburg
+1.0
+2.0
10°E
4:50
Hong Kong
+8.0
+9.0
114°E
9:10
Honolulu
­10.0
­9.0
158°W
3:40
Jakarta
+7.0
+8.0
107°E
0:00
Jeddah
+3.0
+4.0
39°E
6:30
Karachi
+5.0
+6.0
67°E
10:10
Kona, Hawaii
­10.0
­9.0
156°W
4:00
Lima
­5.0
­4.0
77°W
5:20
Lisbon
+0.0
+1.0
9°W
2:00
London
+0.0
+1.0
0°E
1:10
Los Angeles
­8.0
­7.0
118°W
9:20
Maldives
+5.0
+6.0
74°E
0:10
Manila
+8.0
+9.0
121°E
10:30
Mauritius
+4.0
+5.0
57°E
0:50
Melbourne
+10.0
+11.0
145°E
2:10
Miami
­5.0
­4.0
80°W
7:30
Noumea
+11.0
+12.0
166°E
8:30
Pago Pago
­11.0
­10.0
171°W
6:40
Palau
+9.0
+10.0
135°E
7:30
Panama City
­5.0
­4.0
80°W
3:00
Papeete
­10.0
­9.0
150°W
0:10
Rio De Janeiro
­3.0
­2.0
43°W
3:10
Seattle
­8.0
­7.0
122°W
4:20
Shanghai
+8.0
+9.0
121°E
1:20
Singapore
+8.0
+9.0
104°E
10:20
Sydney
+10.0
+11.0
151°E
8:40
Tokyo
+9.0
+10.0
140°E
5:20
Vancouver
­8.0
­7.0
123°W
5:10
Wellington
+12.0
+13.0
175°E
4:50
Site/Lunitidal Interval Data List
GMT Differential
Lunitidal
Site
Standard
DST/
Longitude
Interval
Time
Summer Time
·Based on data as of 2003.
*
This watch does not support a GMT differential of +15.0.