Casio H-1 Specifications

MO1104-EA
Operation Guide 3261 3281
ENGLISH
Congratulations upon your selection of this CASIO watch.
E-1
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 that appears on the display of this watch is not
intended for navigation purposes. Always use proper instruments and
resources to obtain data for navigation purposes.
• When engaging in mountain climbing or other activities in which losing your
way can create a dangerous or life-threatening situation, always use a second
compass to confirm direction readings.
• 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.
About This Manual
• Depending on the model of your watch, display text appears either as dark figures
on a light background (Module 3261), or light figures on a dark background
(Module 3281). All of the illustrations in this manual show Module 3261.
• Button operations are indicated using the letters shown in the illustration.
• 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.
Module 3261
Module 3281
E-2
E-3
Things to check before using the watch
2. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To configure Home City settings” (page E-26) to configure
your Home City and daylight saving time settings.
1. Check the battery power level.
Is “H” or “M” displayed for the battery power indicator
(page E-14)?
NO
Does any one of the following conditions exist?
• Battery power indicator shows “L” and “LOW” is
displayed in the upper right corner of the screen.
• “CHG” is displayed in the upper right corner of the screen.
• The face is blank.
YES
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).
Battery power
indicator
YES
The watch is charged
sufficiently.
For details about
charging, see
“Charging the Watch”
(page E-12).
Important!
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.
• To set the time manually
See “Configuring Current Time and Date Settings” (page E-29).
The watch is now ready for use.
NEXT
Go to step 2.
E-4
E-5
Contents
E-3
About This Manual
E-4
Things to check before using the watch
E-12 Charging the Watch
E-19 To recover from the sleep state
E-20 To turn Power Saving on and off
E-21 Mode Reference Guide
E-25 Timekeeping
E-26 Configuring Home City Settings
E-26 To configure Home City settings
E-28 To change the Daylight Saving Time (summer time) setting
E-29 Configuring Current Time and Date Settings
E-29 To change the current time and date settings
E-33 Digital Compass
E-34 To take a digital compass reading
E-40 To perform magnetic declination correction
E-42 To perform bidirectional calibration
E-43 To perform northerly calibration
E-46 To store a direction angle reading in Bearing Memory
E-48 To set a map and find your current location
E-50 To find the bearing to an objective
E-52
To determine the direction angle to an objective on a map and head in
that direction
E-6
E-57 Thermometer
E-57 To enter and exit the Digital Compass/Thermometer Mode
E-59 To calibrate the temperature sensor
E-61 Specifying Temperature Unit
E-61 To specify temperature unit
E-63 Temperature Reading Precautions
E-64 Using the Moon Data
E-64 To enter the Moon Data Mode
E-67 To reverse the displayed Moon phase
E-71 Checking the Current Time in a Different Time Zone
E-71 To enter the World Time Mode
E-72 To view the time in another time zone
E-72 To specify standard time or daylight saving time (DST) for a city
E-8
E-7
E-74 Using the Stopwatch
E-74 To enter the Stopwatch Mode
E-74 To perform an elapsed time operation
E-75 To pause at a split time
E-75 To measure two finishes
E-77 Using the Countdown Timer
E-77 To enter the Countdown Timer Mode
E-78 To specify the countdown start time
E-79 To perform a countdown timer operation
E-79 To stop the alarm
E-9
Operation Guide 3261 3281
E-80 Using the Alarm
E-80 To enter the Alarm Mode
E-81 To set an alarm time
E-82 To test the alarm
E-82 To turn an alarm and the Hourly Time Signal on and off
E-83 To stop the alarm
E-94 Troubleshooting
E-99 Specifications
E-84 Illumination
E-84 To turn on illumination manually
E-85 To change the illumination duration
E-88 To turn the auto light switch on and off
E-91 Graphic Area
E-92 Button Operation Tone
E-93 To turn the button operation tone on and off
E-10
E-11
Charging the Watch
The face of the watch is a solar cell that generates power from light. The generated
power charges a built-in rechargeable battery, which powers watch operations. The
watch charges whenever it is exposed to light.
Charging Guide
Whenever you are not
wearing the watch, leave it in
a location where it is exposed
to light.
• Best charging performance
is achieved by exposing the
watch to the strongest light
available.
When wearing the watch,
make sure that its face is not
blocked from light by the
sleeve of your clothing.
• The watch may enter a
sleep state (page E-18) if its
face is blocked by your
sleeve even only partially.
Warning!
Leaving the watch in bright light for charging 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
Important!
• 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.
• Turn on the watch’s Power Saving function (page E-18) and keep it in an area
normally exposed to bright light when storing it for long periods. This helps to
ensure that power does not run down.
• 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 power to run down.
Expose the watch to bright light whenever possible.
E-12
E-13
Power Levels
You can get an idea of the watch’s power level by observing the battery power
indicator on the display.
Level
Battery Power
Indicator
1
(H)
2
(M)
All functions enabled.
All functions enabled.
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4
(C)
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3
(L)
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Battery power
indicator
Function Status
5
Illumination, beeper, and sensor
operation disabled.
Except for the CHG (charge)
indicator, all functions and display
indicators disabled.
• The flashing LOW indicator at Level 3 (L) tells you that battery power is very low,
and that exposure to bright light for charging is required as soon as possible.
• At Level 4 or Level 5, all functions are disabled and settings return to their initial
factory defaults. Once the battery reaches Level 2 (M) after falling to Level 4 or
Level 5, reconfigure the current time, date, and other settings.
• If charging starts from Level 5, CHG will start flashing on the display when Level 4
is reached. Note, however, that watch functions are not restored at this time. Leave
the watch exposed to sufficiently strong light until the battery level reaches Level 2
or Level 1 before using it.
• 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.
• All data stored in memory is deleted, and the current time and all other settings
return to their initial factory defaults whenever battery power drops to Level 4 or
Level 5, and when you have the battery replaced.
All functions disabled.
E-14
E-15
Power Recovery Mode
Charging Times
• Performing multiple sensor, illumination, or beeper operations during a short period
may cause all of the battery power indicators (H, M, and L) to start flashing on the
display. This indicates that the watch is in the power recovery mode. Illumination,
alarm, countdown timer alarm, hourly time signal, and sensor operations will be
disabled until battery power recovers.
• Battery power will recover in about 15 minutes. At this time, the battery power
indicators (H, M, L) will stop flashing. This indicates that the functions listed above
are enabled again.
• If all of the battery power indicators (H, M, L) are flashing and the CHG (charge)
indicator also is flashing, it means the battery level is very low. Expose the watch to
bright light as soon as possible.
• Even if battery power is at Level 1 (H) or Level 2 (M), the Digital Compass/
Thermometer Mode sensor may be disabled if there is not enough voltage available
to power it sufficiently. This is indicated when all of the battery power indicators (H,
M, L) are flashing.
• Frequent flashing of all of the battery power indicators (H, M, L) probably means
that remaining battery power is low. Leave the watch in bright light to allow it to
charge.
E-16
Level Change *2
Exposure Level
(Brightness)
Daily
Operation
*1
Outdoor sunlight
(50,000 lux)
5 min.
Sunlight through a window
(10,000 lux)
24 min.
6 hours
79 hours 21 hours
Daylight through a window
on a cloudy day (5,000 lux)
48 min.
12 hours
159 hours 43 hours
Indoor fluorescent lighting
(500 lux)
8 hours
168 hours
Level 5
Level 4
2 hours
Level 3
Level 2
Level 1
16 hours 5 hours
–––
–––
*1 Approximate amount of exposure time required each day to generate enough
power for normal daily operation.
*2 Approximate amount of exposure time (in hours) required to take power from one
level to the next.
E-17
• The above exposure times all are for reference only. Actual exposure times depend
on lighting conditions.
• For details about the operating time and daily operating conditions, see the “Power
Supply” section of the Specifications (page E-101).
• The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is
already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep
state.
• The watch will not enter a sleep state while it is in the Stopwatch Mode or
Countdown Timer Mode.
Power Saving
When turned on, Power Saving enters a sleep state automatically whenever the watch
is left for a certain period in an area where it is dark. The table below shows how
watch functions are affected by Power Saving.
• There actually are two sleep state levels: “display sleep” and “function sleep”.
Elapsed Time in Dark
Display
Operation
60 to 70 minutes
(display sleep)
Blank, with PS flashing
Display is off, but all functions are
enabled.
6 or 7 days
(function sleep)
Blank, with PS not flashing
All functions are disabled, but
timekeeping is maintained.
E-18
To recover from the sleep state
Move the watch to a well-lit area, press any button, or angle the watch towards your
face for reading (page E-86).
E-19
Operation Guide 3261 3281
To turn Power Saving on and off
1. In the Timekeeping Mode, hold down A until SET
Power saving
starts to flash and the city name starts to scroll on the
on indicator
display.
• This is the setting screen.
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3. Press E to toggle Power Saving on (On) and off (OFF).
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2. Use D to display the Power Saving On/Off screen
shown nearby.
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4. Press A to exit the setting screen.
• The Power Saving on indicator (PS) is on the display
in all modes while Power Saving is turned on.
Mode Reference Guide
Your watch has 7 “modes”. The mode you should select depends on what you want to do.
To do this:
• View the current date in the Home City
• Configure Home City and daylight saving time (DST) settings
• Configure time and date settings
• Determine your current bearing or the direction from your current
location to a destination as a direction indicator and angle value
• Determine your current location using the watch and a map
• View the temperature at your current location
View the current time in one of 48 cities (31 time zones) around the globe
Use the stopwatch to measure elapsed time
Use the countdown timer
Set an alarm time
Enter this mode:
See:
Timekeeping Mode
E-25
Digital Compass/
E-33
Thermometer Mode
Digital Compass/
Thermometer Mode
World Time Mode
Stopwatch Mode
Countdown Timer Mode
Alarm Mode
E-20
E-57
E-71
E-74
E-77
E-80
E-21
Selecting a Mode
World Time Mode
Moon Data Mode
Timekeeping Mode
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• The illustration below shows which buttons you need to press to navigate between
modes.
• Press D to change from mode to mode.
• Hold down D for about two seconds to return to the Timekeeping Mode from any
other mode.
• In any mode, press C to enter the Digital Compass/Thermometer Mode. Press D
in the Digital Compass/Thermometer Mode to return to the mode you entered from.
• In any mode (except when a setting screen is on the display), press B to illuminate
the display.
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Digital Compass/
Thermometer Mode
Countdown Timer
Mode
Alarm Mode
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Press
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Stopwatch Mode
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Press
E-22
E-23
General Functions (All Modes)
The functions and operations described in this section can be used in all of the modes.
Auto Return Features
• The watch returns to the Timekeeping Mode automatically if you do not perform any
button operation for two or three minutes in the Alarm, or Moon Data Mode.
• 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.
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 (Dual Time).
Date Screen
Day of week
Dual Time Screen
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
The E and B 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.
PM indicator
Month – Day
Hour : Minutes Seconds
Dual time
E-24
E-25
Configuring Home City Settings
City name
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Hour : Minutes
PM indicator Seconds
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There are two Home City settings: actually selecting the
Home City and selecting either standard time or daylight
saving time (DST).
To configure Home City settings
1. In the Timekeeping Mode, hold down A until SET
starts to flash and the city name starts to scroll on the
display.
• This is the setting screen.
• The watch will exit the setting mode automatically if
you do not perform any operation for about two or
three minutes.
• For details about city names, see the “City Code
Table” at the back of this manual.
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3. Press D to display the DST setting screen.
4. Use A to toggle the DST settings between OFF and On.
• Note that you cannot switch between standard time and daylight saving time
(DST) while UTC is selected as your Home City.
5. After all the settings are the way you want, press A to return to the Timekeeping
Mode.
• The DST indicator appears to indicate that Daylight Saving Time is turned on.
Note
• After you specify a city name, 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.
* Coordinated Universal Time, the world-wide scientific standard of timekeeping.
The reference point for UTC is Greenwich, England.
E-27
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2. Press D to display the DST setting screen.
3. Use A to toggle the DST settings between OFF and
On.
You can use the procedure below to adjust the Timekeeping Mode time and date
settings if they are off.
To change the current time and date settings
1. In the Timekeeping Mode, hold down A until SET
City name
starts to flash and the city name starts to scroll on the
display.
• This is the setting screen.
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4. After all the settings are the way you want, press A to
return to the Timekeeping Mode.
• The DST indicator appears to indicate that Daylight
Saving Time is turned on.
Configuring Current Time and Date Settings
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To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down A until SET
starts to flash and the city name starts to scroll on the
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display.
• This is the setting screen.
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E-26
2. Press E (East) and B (West) to select the city name you want to use as your
Home City.
• Keep pressing E or B until the city name you want to select as your Home
City appears on the display.
Hour : Minutes
PM indicator Seconds
E-28
2. Use E and B to select the city name you want.
• Select your Home City name before changing any
other setting.
• For full information on city names, see the “City
Code Table” at the back of this manual.
E-29
Operation Guide 3261 3281
3. Press D to move the flashing in the sequence shown below to select the other
settings.
City Name
12/24-Hour
Format
DST
Thermometer
unit
Power Saving
Seconds
Illumination
Duration
Hour
Minutes
Button Operation
Tone On/Off
Year
Day
Screen
50
Month
To do this:
Press E.
Reset the seconds to 00
Press E.
Change the hour or minutes
• The following steps explain how to configure timekeeping settings only.
To do this:
Do this:
Change the city name
Use E (East) and
B (West).
Toggle between Daylight Saving Time (On)
and Standard Time (OFF).
Press E.
Use E (+) and B
(–).
Change the year, month, or day
4. When the timekeeping setting you want to change is flashing, use E and/or B to
change it as described below.
Screen
Do this:
Toggle between 12-hour (12H) and 24-hour
(24H) timekeeping.
5. Press A to exit the setting screen.
Note
• For information about selecting a Home City and configuring the DST setting,
see “Configuring Home City Settings” (page E-26).
E-30
E-31
• 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.
• 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-14).
Digital Compass
A built-in bearing sensor detects magnetic north at regular intervals and indicates one
of 16 directions on the display.
• The watch also takes temperature readings in the Digital Compass/Thermometer
Mode. For more information, see “Thermometer” (page E-57).
E-32
E-33
To take a digital compass reading
1. Place the watch on a flat surface. If you are wearing
Temperature
12 o’clock
the watch, make sure that your wrist is horizontal (in
position
relation to the horizon).
North
Direction
indicator
pointer
3. Press C to enter the Digital Compass/Thermometer
Mode and take a digital compass reading.
• COMP will appear on the display to indicate that a
digital compass operation is in progress.
• See “Digital Compass Readings” on page E-35 for
information about what appears on the display.
Angle value (in degrees)
W NW NNW
WN
0
N
SS
E NE ENE
S
E
ES
E SE SSE
180
Note
• If a value appears to the right of the direction
indicator, it means that the bearing memory (page
E-45) screen is displayed. If this happens, press
A to exit the bearing memory screen.
NN
W SW WSW
W
270
2. Point the 12 o’clock position of the watch in the
direction you want to check.
90
4. After you are finished using the digital compass, press D to return to the mode you
entered the Digital Compass/Thermometer Mode from.
Digital Compass Readings
• When you press C to start digital compass measurement, COMP will appear on
the display initially to indicate that a digital compass operation is in progress.
• About two seconds after you start a digital compass measurement operation, letters
on the display will indicate the direction that the 12 o’clock position of the watch is
pointing. Four pointers that indicate magnetic north, south, east, and west also will
appear.
• After the first reading is obtained, the watch will continue to take digital compass
readings automatically each second for up to 20 seconds. After that, measurement
will stop automatically.
• The direction indicator and angle value will show - - - to indicate that digital
compass readings are complete.
• The auto light switch is disabled during the 20 seconds that digital compass
readings are being taken.
E-34
E-35
• The following table shows the meanings of each of the direction abbreviations that
appear on the display.
Direction
Meaning
Direction
Meaning
Direction
Meaning
Direction
Meaning
N
North
NNE
Northnortheast
NE
Northeast
ENE
Eastnortheast
E
East
ESE
Eastsoutheast
SE
Southeast
SSE
Southsoutheast
S
South
SSW
Southsouthwest
SW
Southwest
WSW
Westsouthwest
WNW
Westnorthwest
NW
Northwest
NNW
Northnorthwest
W
West
• The margin of error for the angle value and the direction indicator is ±11 degrees
while the watch is horizontal (in relation to the horizon). If the indicated direction is
northwest (NW) and 315 degrees, for example, the actual direction can be
anywhere from 304 to 326 degrees.
E-36
• Magnetic Declination Correction
With magnetic declination correction, you input a magnetic declination angle
(difference between magnetic north and true north), which allows the watch to
indicate true north. You can perform this procedure when the magnetic declination
angle is indicated on the map you are using. Note that you can input the declination
angle in whole degree units only, so you may need to round off the value specified on
the map. If your map indicates the declination angle as 7.4°, you should input 7°. In
the case of 7.6° input 8°, for 7.5° you can input 7° or 8°.
• Note that taking a measurement while the watch is not horizontal (in relation to the
horizon) can result in large measurement error.
• You can calibrate the bearing sensor if you suspect the direction reading is
incorrect.
• Any ongoing direction measurement operation is paused temporarily while the
watch is performing an alert operation (daily alarm, Hourly Time Signal, countdown
timer alarm) or while illumination is turned on (by pressing B). The measurement
operation resumes for its remaining duration after the operation that caused it to
pause is finished.
• See “Digital Compass Precautions” (page E-54) for important information about
taking direction readings.
Calibrating the Bearing Sensor
You should calibrate the bearing sensor whenever you feel that the direction readings
being produced by the watch are off. There are three different calibration methods
available: magnetic declination correction, bidirectional calibration, and northerly
calibration.
E-37
Important!
The more correctly you perform bidirectional calibration, the better the accuracy of
the bearing sensor readouts. You should perform bidirectional calibration whenever
you change environments where you use the bearing sensor, and whenever you feel
that the bearing sensor is producing incorrect readings.
• Bidirectional Calibration and Northerly Calibration
Bidirectional calibration and northerly calibration calibrate the accuracy of the
bearing sensor in relation to magnetic north. Use bidirectional calibration when you
want to take readings within an area exposed to magnetic force. This type of
calibration should be used if the watch becomes magnetized for any reason. With
northerly calibration, you “teach” the watch which way is north (which you have to
determine with another compass or some other means).
E-38
E-39
Operation Guide 3261 3281
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To perform magnetic declination correction
1. In the Digital Compass/Thermometer Mode, hold down
Magnetic declination
A until the current magnetic declination settings start
angle direction value
to flash on the display. This is the setting screen.
(E, W, or OFF)
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Magnetic declination
angle value
2. Use E (East) and B (West) to change the settings.
• The following explains magnetic declination angle
direction settings.
OFF: No magnetic declination correction performed.
The magnetic declination angle with this
setting is 0°.
E:
When magnetic north is to the east (east
declination)
W:
When magnetic north is to the west (west
declination)
• You can select a value within the range of W 90° to
E 90° with these settings.
• You can turn off (OFF) magnetic declination
correction by pressing E and B at the same time.
• The illustration, for example, shows the value you should input and the direction
setting you should select when the map shows a magnetic declination of 1°
West.
3. When the setting is the way you want, press A to exit the setting screen and take
direction and temperature readings.
Precautions about bidirectional calibration
• You can use any two opposing directions for bidirectional calibration. You must,
however, make sure that they are 180 degrees opposite each other. Remember
that if you perform the procedure incorrectly, you will get wrong bearing sensor
readings.
• Do not move the watch while calibration of either direction is in progress.
• You should perform bidirectional calibration in an environment that is the same as
that where you plan to be taking direction readings. If you plan to take direction
readings in an open field, for example, calibrate in an open field.
E-40
E-41
Important!
If you want to perform both northerly and bidirectional calibration, perform
bidirectional calibration first, and then perform northerly calibration. This is necessary
because bidirectional calibration cancels any existing northerly calibration setting.
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1. In the Digital Compass/Thermometer Mode, hold down
A until the current magnetic declination settings start
to flash on the display. This is the setting screen.
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3. Place the watch on a level surface facing any direction
you want, and press C to calibrate the first direction.
• - - - is shown on the display while calibration is
being performed. When calibration is successful,
the display will show OK and -2-, and the north
pointer flashing at the 6 o’clock position. This means
that the watch is ready for calibration of the second
direction.
To perform northerly calibration
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2. Press D to display the bidirectional calibration screen.
• At this time, the north pointer flashes at the 12 o’clock
position and the display will show -1- to indicate that
the watch is ready to calibrate the first direction.
5. Press C again to calibrate the second direction.
• - - - is shown on the display while calibration is being performed. When
calibration is successful, the display will show OK and then take direction and
temperature readings.
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To perform bidirectional calibration
1. In the Digital Compass/Thermometer Mode, hold down
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A until the current magnetic declination settings start
to flash on the display. This is the setting screen.
2. Press D twice to display the northerly calibration
screen.
• At this time, -N- (north) appears on the display.
4. Rotate the watch 180 degrees.
E-42
E-43
3. Place the watch on a level surface, and position it so that its 12 o’clock position
points north (as measured with another compass).
Bearing Memory
4. Press C to start the calibration operation.
• - - - is shown on the display while calibration is being performed. When
calibration is successful, the display will show OK and then take direction and
temperature readings.
North pointer
12 o’clock position
Bearing memory
pointer
Direction angle of
current reading
Bearing Memory
Screen
Bearing Memory lets you store a direction reading and
display that reading as you take subsequent digital
compass measurements. The Bearing Memory screen
displays the direction angle for the stored direction, along
with an indicator on the display that also indicates the
stored direction.
When you take digital compass measurements while the
Bearing Memory screen is on the display, the direction
angle of the current digital compass measurement (as
read from the 12 o’clock position of the watch) and the
currently stored Bearing Memory direction information will
both be displayed.
E-44
E-45
To store a direction angle reading in Bearing Memory
1. Press C to start a digital compass measurement operation (page E-34).
• If a bearing memory direction angle value is already displayed, it means that
the bearing memory screen is displayed. If this happens, press A to clear the
value currently in Bearing Memory and exit the bearing memory screen.
2. During the 20 seconds that digital compass measurement is in progress, press A
to store the current direction angle reading in Bearing Memory.
• The Bearing Memory direction angle flashes for about one second as it is
stored in Bearing Memory. After that, the Bearing Memory screen (which shows
the bearing memory direction angle) will appear, and a 20-second direction
reading operation will start.
• While the Bearing Memory screen is displayed, you can press C to start a new
20-second direction reading operation, which displays the direction angle for
the direction that the 12 o’clock position of the watch is pointed. The direction
angle of the current readings will disappear from the display after the direction
reading operation is complete.
• During the first 20 seconds after you display the Bearing Memory screen or
during the 20-second direction reading operation while the Bearing Memory
screen is on the display, the direction stored in memory is indicated by a
Bearing Memory pointer.
• Pressing A while the Bearing Memory screen is displayed will clear the
direction angle currently in Bearing Memory and start a 20-second direction
reading operation.
Using the Digital Compass While Mountain Climbing or Hiking
This section provides three practical applications for using the watch’s built-in digital
compass.
• Setting a map and finding your current location
Having an idea of your current location is important when mountain climbing or
hiking. To do this, you need to “set the map”, which means to align the map so the
directions indicated on it are aligned with the actual directions of your location.
Basically what you are doing is aligning north on the map with north as indicated by
the watch.
• Finding the bearing to an objective
E-46
• Determining the direction angle to an objective on a map and heading in that
direction
E-47
North indicated
on the map
To set a map and find your current location
1. With the watch on your wrist, position it so the face is horizontal.
2. Press C to take a compass reading.
• The reading will appear on the display after about two seconds.
Current
location
N
3. Rotate the map without moving the watch so the
northerly direction indicated on the map matches north
as indicated by the watch.
• If the watch is configured to indicate magnetic
north, align the map’s magnetic north with the watch
indication. If the watch has been configured with a
declination to correct to true north, align the map’s
true north with the watch indication. For details, see
“Calibrating the Bearing Sensor” (page E-37).
• This will position the map in accordance with your
current location.
4. Determine your location as you check the geographic
contours around you.
N
North indicated by
north pointer
E-48
E-49
Operation Guide 3261 3281
To find the bearing to an objective
1. Set the map so its northerly indication is aligned with
north as indicated by the watch, and determine your
current location.
N
• See “To set a map and find your current location” on
page E-48 for information about how to perform the
Objective
above step.
Current
location
N
12 o’clock
position
5. Still holding the map in front of you, turn your body until north as indicated by the
watch and the northerly direction on the map are aligned.
• This will position the map in accordance with your current location, so the
bearing to your objective is straight ahead of you.
2. Set the map so the direction you want to travel on the
map is pointed straight in front of you.
3. With the watch on your wrist, position it so the face is
horizontal.
4. Press C to take a compass reading.
• The reading will appear on the display after about
two seconds.
E-50
E-51
To determine the direction angle to an objective on a map and head in that direction
1. Set the map so its northerly indication is aligned with
north as indicated by the watch, and determine your
current location.
N
• See “To set a map and find your current location” on
page E-48 for information about how to perform the
above step.
12 o’clock position
North pointer
Objective
N
Current
location
12 o’clock
position
2. As shown in the illustration to the left, change your
position so you (and the 12 o’clock position of the
watch) are pointed in the direction of objective, while
keeping the northerly direction indicated on the map
aligned with north as indicated by the watch.
• If you find it difficult to perform the above step while
keeping everything aligned, first move into the
correct position (12 o’clock position of the watch
pointed at the objective) without worrying about the
orientation of the map. Next, perform step 1 again
to set the map.
Bearing memory
pointer
Bearing memory
direction angle value
3. Press C to take a compass reading.
4. While direction angle readings are in progress, press
A to record the currently displayed direction in Bearing
Memory.
• The direction angle value and pointer stored in
Bearing Memory will remain on the display for about
20 seconds.
• See “Bearing Memory” (page E-45) for more
information.
5. Now you can advance while monitoring the Bearing
Memory pointer to ensure that it remains in the 12
o’clock position.
• To re-display the Bearing Memory direction angle
value and Bearing Memory pointer, press C.
E-52
• Pressing A while the Bearing Memory direction angle value and Bearing
Memory pointer are on the display will clear the Bearing Memory data you
saved in step 3 and save the current direction reading in Bearing Memory.
Note
• When mountain climbing or hiking, conditions or geographic contours may
make it impossible for you to advance in a straight line. If this happens, return
to step 1 and save a new direction to the objective.
Digital Compass Precautions
This watch features a built-in magnetic bearing sensor that detects terrestrial
magnetism. This means that north indicated by this watch is magnetic north, which is
somewhat different from true polar north. The magnetic north pole is located in
northern Canada, while the magnetic south pole is in southern Australia. Note that the
difference between magnetic north and true north as measured with all magnetic
compasses tends to be greater as one gets closer to either of the magnetic poles. You
should also remember that some maps indicate true north (instead of magnetic north),
and so you should make allowances when using such maps with this watch.
E-53
Location
• Taking a direction reading when you are near a source of strong magnetism can
cause large errors in readings. Because of this, you should avoid taking direction
readings while in the vicinity of the following types of objects: permanent magnets
(magnetic necklaces, etc.), concentrations of metal (metal doors, lockers, etc.),
high tension wires, aerial wires, household appliances (TVs, personal computers,
washing machines, freezers, etc.).
• Accurate direction readings are impossible while in a train, boat, air plane, etc.
• Accurate readings are also impossible indoors, especially inside ferroconcrete
structures. This is because the metal framework of such structures picks up
magnetism from appliances, etc.
Storage
• The precision of the bearing sensor may deteriorate if the watch becomes
magnetized. Because of this, you should store the watch away from magnets or any
other sources of strong magnetism, including: permanent magnets (magnetic
necklaces, etc.) and household appliances (TVs, personal computers, washing
machines, freezers, etc.).
E-54
• Whenever you suspect that the watch may have become magnetized, perform the
procedure under “To perform bidirectional calibration” (page E-42).
E-55
Thermometer
This watch uses a temperature sensor to take temperature readings.
• The watch also takes direction readings in the Digital Compass/Thermometer
Mode. For more information, see “Digital Compass” (page E-33).
Direction indicator
Temperature
Angle value (in degrees)
To enter and exit the Digital Compass/Thermometer
Mode
1. Press C to enter the Digital Compass/Thermometer
Mode.
• Press C to take another reading.
2. Press D to return to the mode you entered the Digital
Compass/Thermometer Mode from.
• The watch will automatically return to the mode you
entered the Digital Compass/Thermometer Mode
from if you do not perform any operation for about
one or two minutes.
E-56
Temperature Sensor Calibration
E-58
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The watch’s temperature sensor is calibrated at the factory and normally requires no
further adjustment. If you notice serious errors in the temperature readings produced
by the watch, you can calibrate the sensor to correct the errors.
To calibrate the temperature sensor
1. Press C to enter the Digital Compass/Thermometer
Mode.
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Display Units
You can select either Celsius (°C) or Fahrenheit (°F) for the displayed temperature
value. See “To specify temperature unit” (page E-61) for more information.
Important!
• Incorrectly calibrating the temperature sensor can result in incorrect readings.
Carefully read the following before doing anything.
– Compare the readings produced by the watch with those of another reliable and
accurate thermometer.
– If adjustment is required, remove the watch from your wrist and wait for 20 or 30
minutes to give the temperature of the watch time to stabilize.
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Temperature
• Temperature is displayed in units of 0.1°C (or 0.2°F).
• The displayed temperature value changes to - - - °C (or °F) if a measured
temperature falls outside the range of –10.0°C to 60.0°C (14.0°F to 140.0°F). The
temperature value will reappear as soon as the measured temperature is within the
allowable range.
E-57
2. Hold down A until the current magnetic declination
correct values (page E-40) starts to flash on the display.
This is the setting screen.
3. Press D three times.
• TEMP will appear on the display along with the
current temperature calibration value.
E-59
Operation Guide 3261 3281
4. Use E (+) and B (–) to change the displayed calibration by 0.1°C (0.2°F) steps.
• To return the currently flashing value to its initial factory default setting,
press E and B at the same time. OFF will appear in place of the flashing
temperature value for about one second, followed by the initial default value.
Specifying Temperature Unit
Use the procedure below to specify the temperature unit to be used in the Digital
Compass/Thermometer Mode.
5. Press A to return to the Digital Compass/Thermometer Mode screen, and then
take direction and temperature readings.
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Thermometer Precautions
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• Temperature measurements are affected by your body temperature (while you are
wearing the watch), direct sunlight, and moisture. To achieve a more accurate
temperature measurement, remove the watch from your wrist, place it in a well
ventilated location out of direct sunlight, and wipe all moisture from the case. It
takes approximately 20 to 30 minutes for the case of the watch to reach the actual
surrounding temperature.
Important!
When TOKYO is selected as the Home City, the
temperature unit is set automatically to Celsius (°C).
These settings cannot be changed.
To specify temperature unit
1. In the Timekeeping Mode, hold down A until SET
starts to flash and the city name starts to scroll on the
display.
• This is the setting screen.
E-60
E-61
2. Press D as many times as necessary until TEMP is displayed.
• See step 3 under “To change the current time and date settings” (page E-29)
for information about how to scroll through setting screens.
3. Press D to toggle the temperature unit between °C (Celsius) and °F (Fahrenheit).
4. After the setting is the way you want, press A to exit the setting screen.
Temperature Reading Precautions
When taking temperature readings, it is best to remove the watch from your wrist in
order to eliminate the effects of body heat. Remove the watch from your wrist and
allow it to hang freely from your bag or in another location where it is not exposed to
direct sunlight.
E-62
E-63
Using the Moon Data
In the Moon Data Mode, you can see the current date’s Moon phase for your Home
City. You can specify a date and view Moon data for that date.
To enter the Moon Data Mode
Use D to select the Moon Data as shown on page E-22.
Moon phase
• About one second after MOON appears on the display,
the display will change to show the moon age.
Note
• Moon age is calculated to an accuracy of ±1 day.
Moon age
Moon Data
The Moon phase and Moon age information that appears first when you enter the
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, and the Moon Data 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-66) to change it.
• Use the Moon Data Screen to specify the Moon Data date. You can use E (+) to
change the displayed date in one-day increments. Pressing E will display the year
of the displayed date.
Month – Day
E-64
E-65
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To reverse the displayed Moon phase
1. In the Moon Data Mode, hold down A until the Moon
phase indicator starts to flash.
lll
• This is the indicator switching screen.
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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-68).
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Reversing the Displayed Moon Phase
2. Press E to toggle the Moon phase indicator between
) and northerly
the southerly view (indicated by
view (indicated by
).
• Northerly view: Moon is north of you.
• Southerly view: Moon is south of you.
3. When the Moon phase indicator setting is the way you
want, press E to exit the switching screen and return
to the Moon Data Mode screen.
E-66
E-67
Moon Phase Indicator
Module 3261
Moon Phase Indicator
Module 3281
(part you cannot see)
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-67) to change the indicator.
Module
Moon
3261
Phase
Indicator
Module
3281
Moon Age
Moon Phase
E-68
Moon phase (part you can see)
28.7-29.8
1.0-2.7
0.0-0.9
New
Moon
2.8-4.6
4.7-6.4
6.5-8.3 8.4-10.1 10.2-12.0 12.1-13.8
First
Quarter
(Waxing)
E-69
Operation Guide 3261 3281
Moon phase (part you can see)
Checking the Current Time in a Different Time Zone
(part you cannot see)
You can use the World Time Mode to view the current time in one of 31 time zones (48
cities) around the globe. The city that is currently selected in the World Time Mode is
called the “World Time City”.
Module
Moon
3261
Phase
Indicator
Currently selected
World Time City
Module
3281
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Moon Phase
Full
Moon
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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
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Moon Age
Last
Quarter
(Waning)
Current time in the
currently selected
World Time City
To enter the World Time Mode
Use D to select the World Time Mode (WT) as shown on
page E-22.
• Entering the World Time Mode will cause WT to be
displayed for the mode name for about one second, and
then the name of the currently selected city will scroll on the
display. After that, the city code will be displayed. If you
select a different city, the city name will scroll first and then
the city code will appear. For information about city codes,
see the “City Code Table” at the back of this manual.
• To view the name of the currently selected city, press
A in the World Time Mode. This will cause the city
name to scroll on the display.
E-70
E-71
To view the time in another time zone
In the World Time Mode, use E (East) to scroll through city names.
• Pressing E and B at the same time will jump to the UTC time zone.
• Note that you cannot switch between standard time/daylight saving time (DST)
while UTC is selected as the World Time City.
• Note that the standard time/daylight saving time (DST) setting affects only the
currently selected time zone. Other time zones are not affected.
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To specify standard time or daylight saving time (DST) for a city
1. In the World Time Mode, use E (East) to display the
city name (time zone) whose Standard Time/Daylight
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Saving Time setting you want to change.
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DST indicator
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 screen while Daylight Saving Time is turned
on.
• Using the World Time Mode to change the DST
setting of the city name that is selected as your
Home City also will change the Timekeeping Mode
time DST setting.
E-72
E-73
Using the Stopwatch
To pause at a split time
The stopwatch measures elapsed time, split times, and two finishes.
E
A
A
E
A
Start
Split
(SPL displayed)
Split release
Stop
Reset
Current time
Hours
To enter the Stopwatch Mode
Use D to select the Stopwatch Mode (STW) as shown on
page E-22.
• About one second after STW appears on the display,
the display will change to show the stopwatch hours.
To perform an elapsed time operation
Seconds
Minutes
1/100 second
E
E
E
E
A
Start
Stop
(Restart)
(Stop)
Reset
To measure two finishes
E
A
E
A
A
Start
Split
First runner
finishes.
Display time of
first runner
Stop
Second runner
finishes.
Split release
Display time of
second runner
Reset
E-74
Note
• The Stopwatch Mode can indicate elapsed time up to 999 hours, 59 minutes, 59.99
seconds.
• Once started, stopwatch timing continues until you press A to stop it, even if you
exit the Stopwatch Mode to another mode and even if timing reaches the stopwatch
limit defined above.
• Exiting the Stopwatch Mode while a split time is frozen on the display clears the
split time and returns to elapsed time measurement.
E-75
Using the Countdown Timer
The countdown timer can be configured to start at a preset time, and sound an alarm
when the end of the countdown is reached.
Current time
Countdown time
(Hour, minutes, seconds)
To enter the Countdown Timer Mode
Use D to select the Countdown Timer Mode (TMR) as
shown on page E-22.
• About one second after TMR appears on the display,
the display will change to show the countdown time
hours.
E-76
To specify the countdown start time
1. Enter the Countdown Timer Mode.
• If a countdown is in progress (indicated by the seconds counting down), press
E to stop it and then press A to reset to the current countdown start time.
• If a countdown is paused, press A to reset to the current countdown start
time.
2. Hold down A until the hour setting of the current countdown start time starts to
flash. This is the setting screen.
3. Press D to move the flashing between the hour and minute settings.
4. Use E (+) and B (–) to change the flashing item.
• To set the starting value of the countdown time to 24 hours, set 0H 00’00.
5. Press A to exit the setting screen.
E-78
E-77
To perform a countdown timer operation
E
E
E
E
A
Start
Stop
(Restart)
(Stop)
Reset
• 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
E to stop it and then A to reset to the countdown start time.
• An alarm sounds for ten 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.
To stop the alarm
Press any button.
E-79
Operation Guide 3261 3281
Using the Alarm
ll
To enter the Alarm Mode
Use D to select the Alarm Mode (ALM) as shown on
page E-22.
• About one second after ALM appears on the display,
the display will change to show one of the following
alarm screens: AL1 (Alarm 1) through AL4 (Alarm 4),
SNZ (snooze alarm), or SIG (Hourly Time Signal).
1. In the Alarm Mode, use E to scroll through the alarm
screens until the one whose time you want to set is
displayed.
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Alarm time
(Hour : Minutes)
To set an alarm time
lll
Current time
lll
• When you enter the Alarm Mode, the screen you were viewing when you last exited
the mode appears first.
You can set four one-time alarms and one snooze alarm.
When an alarm is turned on, the watch will beep 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.
You can also turn on an Hourly Time Signal, which will
cause the watch to beep twice every hour on the hour.
Alarm ON/OFF
indicator
AL1
AL2
AL3
SIG
SNZ
AL4
2. Hold down A until the alarm time starts to flash. This is
the setting screen.
3. Press D to move the flashing between the hour and
minute settings.
E-80
E-81
4. While a setting is flashing, use E (+) 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).
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5. Press A to exit the setting screen.
2. When the alarm or the Hourly Time Signal you want is selected, press A to turn it
on and off.
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To test the alarm
In the Alarm Mode, hold down E to sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use E to select an alarm or the Hourly Time Signal.
Alarm on
indicator
Hourly time
signal on
indicator
• The alarm on indicator and hourly time signal on
indicator are displayed when the alarm and/or
signal is turned on.
• The alarm on indicator and the Hourly Time Signal
on indicator are shown on the display in all modes
while these functions are turned on.
• If any alarm is on, the alarm on indicator is shown
on the display in all modes.
• The alarm on indicator flashes while the alarm is
sounding.
• The snooze alarm indicator (SNZ) flashes while the
snooze alarm is sounding and during the 5-minute
intervals between alarms.
To stop the alarm
Press any button.
E-82
E-83
Illumination
The display of the watch is illuminated 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 (page E-86) for
it to operate.
To turn on illumination manually
Press B in any mode to illuminate the display.
• You can use the procedure below to select either 1.5
seconds or 3 seconds as the illumination duration.
When you press B, the display will remain illuminated
for about 1.5 seconds or 3 seconds, depending on the
current illumination duration setting.
E-84
More than
40°
Wear the watch on the
outside of your wrist
Warning!
• Always make sure you are in a safe place whenever you are reading the
display of the watch using the auto light switch. Be especially careful when
running or engaged in any other activity that can result in accident or injury.
Also take care that sudden illumination by the auto light switch does not
startle or distract others around you.
E-86
To turn the auto light switch on and off
In the Timekeeping Mode, hold down B for about three
Auto light switch
seconds to toggle the auto light switch on (LT displayed)
on indicator
and off (LT not displayed).
• The auto light switch on indicator (LT) is on the display
in all modes while the auto light switch is turned on.
• The auto light switch turns off automatically whenever
battery power drops to Level 4 (page E-14).
Illumination Precautions
• 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 five minutes exposure to bright sunlight coming in through a window
Approximately 50 minutes exposure to indoor fluorescent lighting
E-88
To change the illumination duration
1. In the Timekeeping Mode, hold down A until SET starts to flash and the city name
starts to scroll on the display.
• This is the setting screen.
2. Keep pressing D until LT1 or LT3 is displayed.
• See step 3 under “To change the current time and date settings” (page E-29)
for information about how to scroll through setting screens.
3. Press E to toggle the illumination duration between three seconds (LT3 displayed)
and 1.5 seconds (LT1 displayed).
4. After the settings are the way you want, press A to exit the setting screen.
E-85
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
more than 40 degrees causes illumination to
turn on.
• The above operation turns on illumination regardless of the current auto light switch
setting.
• Illumination is disabled while configuring sensor measurement mode settings, and
during bearing sensor calibration.
• 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.
Note
• The auto light switch is always disabled, regardless of its on/off setting, when any
one of the following conditions exists.
While an alarm is sounding
During sensor measurement
While a bearing sensor calibration operation is being performed in the Digital
Compass/Thermometer Mode
E-87
• The electro-luminescent panel that provides illumination loses power after very long
use.
• Illumination may be hard to see when viewed under direct sunlight.
• Illumination turns off automatically 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.
• Note that wearing the watch under your sleeve while the auto light switch is turned
on can cause frequent illumination of the display and can run down the battery.
E-89
Operation Guide 3261 3281
• Illumination may not turn on if the face of the watch is more than
15 degrees above or below parallel. Make sure that the back of
your hand is parallel to the ground.
• Illumination turns off after the preset illumination duration (page
E-84), 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 your face 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.
• 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.
Graphic Area
The information shown in the graphic area depends on the current mode.
Graphic Area
Mode
Graphic Area
Timekeeping Mode
Timekeeping Mode seconds
World Time Mode
World Time Mode hours
Alarm Mode
Timekeeping Mode hours
Stopwatch Mode
Stopwatch Mode minutes
CountdownTimer Mode
CountdownTimer Mode minutes
E-90
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To turn the button operation tone on and off
1. In the Timekeeping Mode, hold down A until SET
starts to flash and the city name starts to scroll on the
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display.
• This is the setting screen.
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The button operation tone sounds any time you press one of the watch’s buttons. You
can turn the button operation tone on or off as desired.
• Even if you turn off the button operation tone, the alarm, Hourly Time Signal, and
Countdown Timer Mode alarm all operate normally.
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Button Operation Tone
E-91
Mute indicator
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2. Keep pressing D until KEY or MUTE is displayed.
• See step 3 under “To change the current time and
date settings” (page E-29) for information about
how to scroll through setting screens.
3. Press E to toggle the button operation tone on
(KEY ) and off (MUTE).
4. After the settings are the way you want, press A to exit
the setting screen.
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Note
• The mute indicator is displayed in all modes when
the button operation tone is turned off.
E-92
Troubleshooting
Time Setting
■ The current time setting is off by one hour.
You may need to change your Home City’s standard time/daylight saving time (DST)
setting. Use the procedure under “To change the current time and date settings” (page
E-29) to change the standard time/daylight saving time (DST) setting.
Sensor modes
■ I can’t change the temperature unit setting.
The temperature unit setting is always Celsius (°C) whenever TOKYO is selected as
the Home City. In this case, the setting cannot be changed.
E-93
■ “ERR” appears on the display while I am using a sensor.
Subjecting the watch to strong impact can cause sensor malfunction or improper
contact of internal circuitry. When this happens, ERR (error) will appear on the display
and sensor operations will be disabled.
• If ERR appears while a measurement operation is being performed in a sensor
mode, restart the measurement. If ERR appears on the display again, it can mean
there is something wrong with the sensor.
• Even if battery power is at Level 1 (H) or Level 2 (M), the Digital Compass/
Thermometer Mode sensor may be disabled if there is not enough voltage available
to power it sufficiently. In this case, ERR will appear on the display. This does not
indicate malfunction, and sensor operation should resume once battery voltage
returns to its normal level.
E-94
• If ERR keeps appearing during measurement, it could mean there is a problem with
the applicable sensor.
■ ERR appears on the display after I perform bidirectional calibration or
northerly calibration.
If - - - appears and then changes to ERR (error) on the calibration screen, it means
that there is something wrong with the sensor.
• If ERR disappears after about one second, try performing the calibration again.
• If ERR keeps appearing, contact your original dealer or nearest authorized CASIO
distributor to have the watch checked.
■ ERR appears on the display after I perform northerly calibration.
The ERR message indicates there may be some problem with the sensor. The ERR
message also may be due to movement of the watch while the calibration procedure
is being performed. Try performing calibration again, taking care to ensure that the
watch is not moved.
If this does not solve the problem, the problem may be due to some nearby source of
terrestrial magnetism. Try performing the calibration procedure again from the
beginning.
E-95
Whenever you have a sensor malfunction, take the watch to your original dealer or
nearest authorized CASIO distributor as soon as possible.
■ What causes incorrect direction readings?
• Incorrect bidirectional calibration. Perform bidirectional calibration (page E-42).
• Nearby source of strong magnetism, such as a household appliance, a large steel
bridge, a steel beam, overhead wires, etc., or an attempt to perform direction
measurement on a train, boat, etc. Move away from large metal objects and try
again. Note that digital compass operation cannot be performed inside a train,
boat, etc.
■ What causes different direction readings to produce different results at the
same location?
Magnetism generated by nearby high-tension wires is interfering with detection of
terrestrial magnetism. Move away from the high-tension wires and try again.
E-96
■ Why am I having problems taking direction readings indoors?
A TV, personal computer, speakers, or some other object is interfering with terrestrial
magnetism readings. Move away from the object causing the interference or take the
direction reading outdoors. Indoor direction readings are particularly difficult inside
ferro-concrete structures. Remember that you will not be able to take direction
readings inside of trains, airplanes, etc.
World Time Mode
■ The time for my World Time City is off in the World Time Mode.
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-72) for more information.
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-14). Continue
exposing the watch to light until the battery power indicator shows “H” or “M”.
E-98
E-97
Specifications
Accuracy at normal temperature: ±15 seconds a month
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
Other: Home City name (can be assigned one of 48 city names); Standard Time /
Daylight Saving Time (summer time)
Digital Compass: 20 seconds continuous measurement; 16 directions; Angle value 0°
to 359°; Four direction pointers; Calibration (bidirectional, northerly);
Magnetic declination correction; Bearing Memory
Thermometer:
Measurement and display range: –10.0 to 60.0°C (or 14.0 to 140.0°F)
Display unit: 0.1°C (or 0.2°F)
Measurement timing: Every five seconds in the Digital Compass/Thermometer
Mode
Other: Calibration; Manual measurement (button operation)
E-99
Operation Guide 3261 3281
Bearing Sensor Precision:
Direction: Within ±10°
Values are guaranteed for a temperature range of –10°C to 40°C (14°F to
104°F).
North pointer: Within ±2 digital segments
Temperature Sensor Precision:
±2°C (±3.6°F) in range of –10°C to 60°C (14.0°F to 140.0°F)
Moon Data: Moon phase indicator for specific date, Moon age indicator
Other: Moon phase reversal
World Time: 48 cities (31 time zones)
Other: Daylight Saving Time/Standard Time
Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 999:59' 59.99"
Measuring modes: Elapsed time, split time, two finishes
Countdown Timer:
Measuring unit: 1 second
Countdown start time setting range: 1 minute to 24 hours (1-hour increments and
1-minute increments)
Alarms: 5 daily alarms (four one-time alarms; one snooze alarm); Hourly Time Signal
Illumination: EL Backlight (electro-luminescent panel); Selectable illumination
duration (approximately 1.5 second or 3 seconds); Auto Light Switch (Full
Auto EL Light operates only in the dark)
Other: Battery power indicator; Power Saving; Button operation tone on/off
Power Supply: Solar cell and one rechargeable battery
Approximate battery operating time: 8 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
• 10 digital compass operations per week
E-100
E-101
Frequent use of illumination runs down the battery. Particular care is required
when using the auto light switch (page E-89).
E-102
L-1
City Code Table
City
Code
City
UTC Offset/
GMT Differential
City
Code
PPG
PAGO PAGO
–11
SCL
City
SANTIAGO
UTC Offset/
GMT Differential
–4
City
Code
City
City
Code
City
UTC Offset/
GMT Differential
MAD
MADRID
UTC Offset/
GMT Differential
KBL
KABUL
+4.5
PAR
PARIS
KHI
KARACHI
+5
ROM
ROME
DEL
DELHI
+5.5
+5.75
+1
HNL
HONOLULU
–10
YHZ
HALIFAX
BER
BERLIN
KTM
KATHMANDU
ANC
ANCHORAGE
–9
YYT
ST. JOHN’S
–3.5
STO
STOCKHOLM
DAC
DHAKA
+6
YVR
VANCOUVER
RIO
ATH
ATHENS
RGN
YANGON
+6.5
LOS ANGELES
RIO DE
JANEIRO
–3
LAX
–8
CAI
CAIRO
BKK
BANGKOK
+7
YEA
EDMONTON
FEN
F.DE
NORONHA
–2
JRS
JERUSALEM
SIN
SINGAPORE
RAI
PRAIA
–1
MOW
MOSCOW
HKG
HONG KONG
JED
JEDDAH
BJS
BEIJING
THR
TEHRAN
+3.5
TPE
TAIPEI
DXB
DUBAI
+4
DEN
DENVER
MEX
MEXICO CITY
CHI
CHICAGO
NYC
NEW YORK
–7
–6
–5
UTC
LIS
LISBON
LON
LONDON
0
L-2
City
Code
+3
+8
L-3
City
SEL
SEOUL
TYO
TOKYO
ADL
ADELAIDE
UTC Offset/
GMT Differential
+9
+9.5
GUM
GUAM
SYD
SYDNEY
NOU
NOUMEA
+11
WLG
WELLINGTON
+12
L-4
+2
+10
• Based on data as of July 2010.
• The rules governing global times (GMT
differential and UTC offset) and
summer time are determined by each
individual country.