Technical information | Casio 3147 Watch User Manual

MO1203-ED
Operation Guide 3147
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.
Applications
The built-in sensors of this watch measure barometric pressure, temperature
and altitude. Measured values are then shown on the display. Such features
make this watch useful when hiking, mountain climbing, or when engaging in
other such outdoor activities.
Keep the watch exposed to bright light
The electricity generated by the solar cell of the
watch is stored by a built-in battery. Leaving or
using the watch where it is not exposed to light
causes the battery to run down. Make sure the
watch is exposed to light as much as possible.
• When you are not wearing the watch on your
wrist, position the face so it is pointed at a
source of bright light.
• You should try to keep the watch outside of
your sleeve as much as possible. Charging is
reduced significantly if the face is covered only
partially.
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Bright light
Solar cell
• The watch continues to operate, even when it is not exposed to light.
Leaving the watch in the dark can cause the battery to run down, which will
cause some watch functions to be disabled. If the battery goes dead, you
will have to re-configure watch settings after recharging. To ensure normal
watch operation, be sure to keep it exposed to light as much as possible.
Battery charges in the light.
Solar cell
(Converts light to
electrical power.)
• The actual level at which some functions are disabled depends on the
watch model.
• Frequent display illumination can run down the battery quickly and require
charging. The following guidelines give an idea of the charging time
required to recover from a single illumination operation.
Approximately five minutes exposure to bright sunlight coming in through
a window
Approximately 50 minutes exposure to indoor fluorescent lighting
• Be sure to read “Power Supply” for important information you need to
know when exposing the watch to bright light.
If the display of the watch is blank...
If the display of the watch is blank, it means that the watch’s Power Saving
function has turned off the display to conserve power.
• See “Power Saving” for more information.
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.
• 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
Battery discharges in the dark.
Bright light
Electrical
energy
LEVEL 1
LEVEL 2
All
functions
enabled
(Light)
LEVEL 1
LEVEL 2
Dis- LEVEL 3
charge LEVEL 4
LEVEL 3
Charge LEVEL 4
Some
functions
disabled
(Light)
• 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.
Rechargeable battery
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.
Barometer/
Thermometer Mode
Altimeter Mode
▲
Press D.
Press C.
▲
▲
World Time Mode
• You can press the C button to go directly from the Timekeeping Mode to
the Altimeter Mode. To go to the Altimeter Mode from the Barometer/
Thermometer, World Time, Stopwatch, Countdown Timer, Alarm, or Data
Recall Mode, first enter the Timekeeping Mode and then press the C
button.
Timekeeping Mode
▲
▲
Countdown
Timer Mode
Stopwatch Mode
Press D.
Data Recall Mode
Alarm Mode
▲
▲
▲
Radio-controlled Atomic Timekeeping
To specify your Home City
City code
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Current Time Setting
This watch adjusts its time setting automatically in accordance with a time
calibration signal. You also can perform a manual procedure to set the time
and date, when necessary.
• The first thing you should do after purchasing this watch is to specify
your Home City (the city where you normally will use the watch). For
more information, see “To specify your Home City” below.
• When using the watch outside the areas covered by the time signal
transmitters, you will have to adjust the current time setting manually as
required. See “Timekeeping” for more information about manual time
settings.
• The U.S. time calibration signal can be picked up by the watch while in
North America. The term “North America” in this manual refers to the area
that consists of Canada, the continental United States, and Mexico.
1. In the Timekeeping Mode, hold down A until
the city code starts to flash, which indicates
the setting screen.
2. Press E (east) and B (west) to select the
city code you want to use as your Home City.
LON
: London
PAR, BER : Paris, Berlin, Milan, Rome,
Amsterdam, Hamburg, Frankfurt,
Seconds
Vienna, Barcelona, Madrid
Hour : Minutes
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This watch receives a time calibration signal and updates its time setting
accordingly.
• This watch is designed to pick up the time calibration signals transmitted in
Germany (Mainflingen), England (Anthorn), the United States (Fort Collins),
China (Shangqiu), and Japan (Fukushima, Fukuoka/Saga).
PM
indicator
ATH : Athens
HKG : Hong Kong
TPE, TYO : Taipei, Tokyo
LAX : Los Angeles, San Francisco, Las Vegas, Seattle/Tacoma,
Vancouver, Tijuana
DEN : Denver, El Paso, Edmonton, Culiacan
CHI : Chicago, Houston, Dallas/Fort Worth, New Orleans, Winnipeg,
Mexico City
NYC : New York, Detroit, Miami, Boston, Montreal
1
Operation Guide 3147
3. Press A to exit the setting screen.
• Normally, your watch should show the correct time as soon as you select
your Home City code. If it does not, it should adjust automatically after the
next auto receive operation (in the middle of the night). You also can
perform manual receive or you can set the time manually.
• The watch will receive the time calibration signal automatically from the
applicable transmitter (in the middle of the night) and update its settings
accordingly. For information about the relationship between city codes and
transmitters, see “Important!” under “Time Calibration Signal Reception”
and “Transmitters”.
• See the maps under “Approximate Reception Ranges” for information about
the reception ranges of the watch.
• You can disable time signal reception, if you want. See “To turn auto receive
on and off” for more information.
Approximate Reception Ranges
1,500 kilometers
Anthorn
500 kilometers
Mainflingen
The Anthorn
signal is
receivable within
this area.
2,000 miles
(3,000 kilometers)
Time Calibration Signal Reception
600 miles
(1,000 kilometers)
There are two different methods you can use to receive the time calibration
signal: auto receive and manual receive.
Fort
Collins
• Auto Receive
With auto receive, the watch receives the time calibration signal automatically
up to six times a day. When any auto receive is successful, the remaining
auto receive operations are not performed. For more information, see “About
Auto Receive”.
500
kilometers
• Manual Receive
Manual receive lets you start a time calibration receive operation with the press
of a button. For more information, see “To perform manual receive”.
Important!
• When getting ready to receive the time calibration signal, position the watch
as shown in the nearby illustration, with its 12 o’clock side facing towards a
window. This watch is designed to receive a time calibration signal late at
night. Because of this, you should place the watch near a window as shown
in the illustration when you take it off at night. Make sure there are no metal
objects nearby.
500
kilometers
Fukushima
Fukuoka/Saga
1,000
kilometers
1,000
kilometers
Signals are receivable in the Taiwan area when reception conditions are good.
Changchun
1,500 kilometers
500 kilometers
Beijing
Shanghai
12 o’clock
Chengdu
or
Hong Kong
Shangqiu
• Make sure the watch is facing the right way.
• Proper signal reception can be difficult or even impossible under the
conditions listed below.
Inside or
among
buildings
Inside a
vehicle
Near
household
appliances,
office
equipment,
or a mobile
phone
Near a
construction
site, airport,
or other
sources of
electrical
noise
Near hightension
power lines
Among or
behind
mountains
• Signal reception normally is better at night than during the day.
• Time calibration signal reception takes from two to seven minutes, but in
some cases it can take as long as 14 minutes. Take care that you do not
perform any button operations or move the watch during this time.
• The time calibration signal the watch will attempt to pick up depends on its
current Home City code setting as shown below.
Home City Code
LON, PAR, BER, ATH
HKG
TPE, TYO
HNL*, ANC*, LAX,
DEN, CHI, NYC
Transmitter
Anthorn (England)
Mainflingen (Germany)
Shangqiu City (China)
Fukushima (Japan)
Fukuoka/Saga (Japan)
Fort Collins, Colorado
(the United States)
Frequency
60.0 kHz
77.5 kHz
68.5 kHz
40.0 kHz
60.0 kHz
60.0 kHz
* The areas covered by the HNL, and ANC city codes are quite far from
the time calibration signal transmitters, and so certain conditions may
cause problems with signal reception.
• Signal reception may not be possible at the distances noted below during
certain times of the year or day. Radio interference may also cause
problems with reception.
Mainflingen (Germany) or Anthorn (England) transmitters: 500
kilometers (310 miles)
Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)
Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310
miles)
Shangqiu (China) transmitter: 1500 kilometers (910 miles)
• Even when the watch is within the reception range of the transmitter, signal
reception will be impossible if the signal is blocked by mountains or other
geological formations between the watch and signal source.
• Signal reception is affected by weather, atmospheric conditions, and
seasonal changes.
• See the information under “Signal Reception Troubleshooting” if you
experience problems with time calibration signal reception.
About Auto Receive
The watch receives the time calibration signal automatically up to six times a
day. When any auto receive is successful, the remaining auto receive
operations are not performed. The reception schedule (calibration times)
depends on your currently selected Home City, and whether standard time or
Daylight Saving Time is selected for your Home City.
Your Home City
LON
PAR
BER
ATH
Standard Time
Auto Receive Start Times
1
2
3
4
5
6
1:00 am 2:00 am 3:00 am 4:00 am 5:00 am Midnight*
Daylight Saving Time 2:00 am 3:00 am 4:00 am 5:00 am Midnight* 1:00 am*
Standard Time
2:00 am 3:00 am 4:00 am 5:00 am Midnight* 1:00 am*
Daylight Saving Time 3:00 am 4:00 am 5:00 am Midnight* 1:00 am* 2:00 am*
Standard Time
3:00 am 4:00 am 5:00 am Midnight* 1:00 am* 2:00 am*
Daylight Saving Time 4:00 am 5:00 am
HKG Standard Time
1:00 am 2:00 am
TYO Standard Time
Midnight 1:00 am
TPE
NYC Standard Time and Midnight 1:00 am
CHI Daylight Saving Time
DEN
LAX
Midnight* 1:00 am* 2:00 am* 3:00 am*
3:00 am 4:00 am 5:00 am
2:00 am 3:00 am 4:00 am 5:00 am
2:00 am 3:00 am 4:00 am 5:00 am
*Next day
2
Operation Guide 3147
To turn auto receive on and off
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Note
• When a calibration time is reached, the watch will receive the calibration
signal only if it is in either the Timekeeping Mode or World Time Mode.
Reception is not performed if a calibration time is reached while you are
configuring settings.
• Auto receive of the calibration signal is designed to be performed early in
the morning, while you sleep (provided that the Timekeeping Mode time is
set correctly). Before going to bed for the night, remove the watch from your
wrist, and put it in a location where it can receive the signal easily.
• The watch receives the calibration signal for two to seven minutes everyday
when the time in the Timekeeping Mode reaches a calibration time. Do not
perform any button operation within seven minutes before or after the
calibration times. Doing so can interfere with correct calibration.
• Remember that reception of the calibration signal depends on the current
time in the Timekeeping Mode. The receive operation will be performed
whenever the display shows any one of the calibration times, regardless of
whether or not the displayed time actually is the correct time.
On/Off
status
To check the latest signal reception results
Press E to view the last successful receive time
and date. Press E again to return to the
previous screen.
About the Signal Strength Indicator
The signal strength indicator shows the strength of the calibration signal
being received. For best reception, be sure to keep the watch in a location
where signal strength is strongest. The signal strength indicator is displayed
while an auto or manual receive operation is in progress.
Signal strength indicator
Signal Reception Troubleshooting
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Check the following points whenever you experience problems with signal
reception.
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Weak
Strong
(Level 3)
• Even in an area where signal strength is strong, it takes about 10 seconds
for signal reception to stabilize enough for the signal strength indicator to
indicate signal strength.
• Use the signal strength indicator as a guide for checking signal strength
and for finding the best location for the watch during signal receive
operations.
• Following reception of the time calibration signal and calibration of the
watch’s time setting, the Level 3 signal strength indicator will remain on the
display in all modes. The Level 3 signal strength indicator will not be
displayed if signal reception was unsuccessful or after you adjust the
current time setting manually.
• The Level 3 signal strength indicator is displayed only when the watch is
able to receive both time and date data successfully. It does not appear
when only time data is received.
• The Level 3 signal strength indicator indicates that at least one of the auto
calibration signal receive operations was successful. Note, however, that
the Level 3 signal strength indicator disappears from the display each day
when the first auto receive operation of the day is performed.
To perform manual receive
Receiving
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1. In the Timekeeping Mode, press E to display
the last successful receive time and date
screen.
2. Hold down A until the current auto receive
setting (ON or OFF) starts to flash. This is the
setting screen.
• Note that the setting screen will not appear if
the currently selected Home City is one that
does not support time calibration reception.
3. Press E to toggle auto receive on (ON) and
off (OFF).
4. Press A to exit the setting screen.
• For information about city codes that support
signal receive, see “To specify your Home City”.
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Receive successful
Receive failed
If there was a previously
successful reception
If no reception was
successful
1. In the Timekeeping Mode, press E to display
the last successful receive time and date
screen.
2. Press E to enter the Receive Mode.
3. Hold down E for about two seconds until
starts to flash on the display.
• Time calibration signal reception takes from
two to seven minutes. Take care that you do
not perform any button operations or move
the watch during this time.
• If the receive operation is successful, the
reception date and time appear on the
display, along with the GET indicator.
4. After manual receive is complete, press E
twice to return to the Timekeeping mode.
• The watch also will exit the Receive Mode if
you do not perform any button operation for
about one or two minutes.
• If the latest reception fails but a previous
reception was successful, an indicator ( ) will
be on the display.
The watch will enter the Receive Mode without
changing the time setting if you press E or if
you do not perform any button operation for
about one or two minutes.
Note
• To interrupt a receive operation and return to
the Receive Mode, press E.
Problem
Probable Cause
Cannot perform •The watch is not in the Receive
manual receive. Mode.
•Your current Home City is not one
of the following: LON, PAR, BER,
ATH, HKG, TPE, TYO, LAX,
DEN, CHI, or NYC
What you should do
• Enter the Receive
Mode and try again.
• Select LON, PAR,
BER, ATH, HKG,
TPE, TYO, LAX, DEN,
CHI, or NYC as your
Home City.
• Perform manual signal
Auto receive is •You changed the time setting
receive or wait until the
turned on, but
manually.
next auto signal
the Level 3
•The DST setting was changed
signal strength
manually in the World Time Mode. receive operation is
performed.
indicator does •You pressed a button while signal
receive was in progress.
not appear on
• Check to make sure
•Even if receive is successful, the the watch is in a
the display.
Level 3 signal strength indicator
location where it can
disappears from the display each receive the signal.
day when the first auto receive
operation of the day is performed.
•Time data (hour, minutes,
seconds) only was received
during the last receive operation.
The Level 3 signal strength
indicator appears only when time
data and date data (year, month,
day) are both received.
Time setting is •If the time is one hour off, the
• Change the DST
incorrect
DST setting may be incorrect.
setting to Auto DST.
• Select the correct
following signal •The Home City code setting is
reception.
not correct for the area where you Home City code.
are using the watch.
• For further information, see “Important!” under “Time Calibration Signal
Reception” and “Radio-controlled Atomic Timekeeping Precautions”.
Altimeter
The watch’s altimeter uses a pressure sensor to detect current air pressure,
which is then used to estimate the current altitude based on ISA (International
Standard Atmosphere) preset values. You can specify a reference altitude,
which the watch will use to calculate your current altitude based on the value
you specify. Altimeter functions also include storage of measurement readings
in memory.
Important!
• This watch estimates altitude based on air pressure. This means that
altitude readings for the same location may vary if air pressure changes.
• The semiconductor pressure sensor used by the watch for altitude readings
is also affected by temperature. When taking altitude readings, make sure
the watch is not subjected to temperature changes.
• To avoid the effect of sudden temperature changes during readings, keep
the watch on your wrist in direct contact with your skin.
• Do not rely upon this watch for altitude readings or perform button
operations while sky diving, hang gliding, or paragliding, while riding a
gyrocopter, glider, or any other aircraft, or while engaging in any other
activity where there is the chance of sudden altitude changes.
• Do not use this watch for taking altitude readings in applications that
demand professional or industrial level precision.
• Remember that the air inside of a commercial aircraft is pressurized.
Because of this, the readings produced by this watch will not match the
altitude readings announced or indicated the flight crew.
3
Operation Guide 3147
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Altitude change
indicator
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When you measure altitude using a reference altitude specified by you
After you specify a reference altitude, the watch will use that value to convert
the current barometric pressure reading to altitude.
• When mountain climbing, you can specify a
reference value in accordance with a marker
B
along the way or altitude information from a
map. After that, altitude readings produced
A
400
by the watch will be more accurate than they
would without a reference altitude.
More than +20m
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When you measure altitude based on preset values
Data produced by the watch’s barometric pressure sensor is converted to
approximate altitude based on ISA (International Standard Atmosphere)
conversion values stored in watch memory.
• Nothing is displayed for the altitude change indicator when the current
altitude reading is outside the watch’s altitude measurement range (–700 to
10,000 meters/–2300 to 32,800 feet).
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The altimeter can measure altitude based on its own preset values, or a
reference altitude specified by you.
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How the Altimeter Measures Altitude
±0m
–5m
–10m
–15m
Less than –20m
Altitude change indicator
A
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▲
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A
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▲
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Altitude graph
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Notes
• Normally, displayed altitude values are based on the watch’s preset
conversion values. You also can specify a reference altitude, if you want.
See “Specifying a Reference Altitude”.
• Altitude is displayed in units of 5 meters (20 feet).
• The measurement range for altitude is –700 to 10,000 meters ( –2,300 to
32,800 feet).
• An altitude reading may be displayed be a negative value in cases where
there is a reference altitude value specified or because of certain
atmospheric conditions.
• The displayed altitude value changes to xxxx meters (or feet) if an
altitude reading falls outside the measurement range. The altitude value will
be displayed again as soon as the altitude reading is within the allowable
range.
• You can select either meters (m) or feet (ft) as the measurement unit for
displayed altitude value.
• During altitude measurements, the watch may not be able to update its
timekeeping display contents normally. Correct timekeeping is maintained
internally, however.
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Altimeter Mode
stopwatch
elapsed time
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1. In the Timekeeping Mode, use the C button
to enter the Altimeter Mode.
• The watch will start altitude measurement
and display the result.
• It can take up to four or five seconds for the
first altitude reading to appear.
2. If you leave the watch in the Altimeter Mode,
the current altitude value and the altitude
change value will be updated according to the
altitude reading interval.
• If you want to restart the operation at any
point, press C.
3. To stop taking altitude readings, press D to
exit the Altimeter Mode.
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To view your current altitude
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Important!
• The procedure below simply displays a value indicating your current
altitude, without recording it in watch memory. For information about
recording altitude readings in watch memory, see “Saving Altitude Readings
in Memory”.
To specify the altitude reading interval
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You can use the procedure described in this section to display your current
altitude. If you leave the watch in the Altimeter Mode, it will update the
displayed altitude value regularly, and indicate reading-to-reading changes in
a window in the upper left of the display.
You can select either of the following two altitude measurement intervals.
0'05": Readings at five-second intervals for one hour
2'00": Readings at five-second intervals for the first three minutes followed
by two-minute intervals for 10 hours
• For information about configuring settings for the altitude reading interval
and duration, see “To specify the altitude reading interval”.
Current altitude
+10m
+5m
Displaying Your Current Altitude
Altitude change since
Altimeter Mode stopwatch
measurement started
Altitude graph
+15m
Altitude measurement
interval
1. In the Altimeter Mode, hold down A for about
two seconds until either OFF or the current
reference altitude value starts to flash. This is
the setting screen.
2. Press D to display the current altitude
reading interval setting.
• This will cause either 0'05" or 2'00" to flash
on the display.
3. Press E to toggle the setting between 0'05"
and 2'00".
• 0'05": Readings at five-second intervals for
one hour
• 2'00": Readings at five-second intervals for
the first three minutes followed by
two-minute intervals for 10 hours
4. Press A to exit the setting screen.
Saving Altitude Readings in Memory
The following describes the different types of records the watch creates for
altitude readings.
• You can take manual altitude readings, which are stored in memory along
with the date (year, month, day) of the reading. There is enough memory to
hold up to 20 altitude records (readings).
• The Altimeter Mode has a stopwatch (which is independent of the watch’s
Stopwatch Mode) that you can use to time your climbs. While the Altimeter
Mode stopwatch is running, the watch takes altitude readings automatically
(without storing them in memory). Each time you reset the Altimeter Mode
stopwatch to all zeros, the highest altitude, lowest altitude, cumulative
ascent, and cumulative descent achieved during the last Altimeter Mode
stopwatch session are stored in a “current stopwatch session record”.
• A separate “historical record” keeps track of the highest altitude, lowest
altitude, cumulative ascent, and cumulative descend of all past Altimeter
Mode stopwatch sessions.
To take a manual altitude reading
1. Press C to enter the Altimeter Mode.
2. Hold down C for about one second until REC flashes on the display.
• At this time the watch will beep and the current altitude reading will be
saved along with the current date (year, month, day) and time.
3. REC will stop flashing and the watch will return to the Altimeter Mode
automatically after data save is complete.
• Memory can hold up to 20 altitude records. Storing a new reading while
there already are 20 in memory will delete the oldest record to make room
for the new reading.
To take altitude readings using the Altimeter Mode stopwatch
1. In the Timekeeping Mode, use the C button to enter the Altimeter Mode.
• The watch will start altitude measurement automatically. Note that
readings are not saved as altitude records.
2. Press the E button to start and stop the Altimeter Mode stopwatch.
• While an Altimeter Mode stopwatch operation is in progress, the display
shows the elapsed time, current altitude, and the change in altitude
since the start of the stopwatch operation.
3. After you are finished using the Altimeter Mode stopwatch, press the B
button to reset it to all zeros.
• While an Altimeter Mode stopwatch operation is in progress, you can toggle
between the altitude graph and the altitude change indicator by pressing
the A button. The altitude change indicator graphically shows how the
current altitude reading differs from the previous reading. The type of
indicator that appears depends on the relative size of the altitude change.
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• In the Altimeter Mode, press the A button to toggle between the altitude
graph and the altitude change indicator. The altitude change indicator
shows the relative change between the latest altitude reading and the one
before it.
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Operation Guide 3147
Current Stopwatch Session Record
Altitude graph
The current stopwatch session record contains the data described below. The
contents of this record are retained until you start a new Altimeter Mode
stopwatch measurement session.
Description
Highest altitude reached during the current Altimeter Mode
stopwatch session.
Lowest altitude reached during the current Altimeter Mode
stopwatch session.
Total cumulative ascent during the current Altimeter Mode
stopwatch session.
Total cumulative descent during the current Altimeter
Mode stopwatch session.
• The maximum total ascent and total descent value is 99,995 meters
(or 99,980 feet). Each value reverts to zero after the maximum is reached.
How current Altimeter Mode stopwatch session record data is updated
Note
• When you press E to start a new Altimeter Mode stopwatch session, the
watch will clear data that is already stored in the current stopwatch session
record.
• The watch takes altitude readings and calculates data as described below,
and updates the current stopwatch session record accordingly. Note that
measurement and saves depend on whether or not the watch is in the
Altimeter Mode.
The historical record keeps track of high altitude, low altitude, total ascent, and
total descent values across multiple Altimeter Mode stopwatch sessions. The
contents of this record are updated continually while an Altimeter Mode
stopwatch operation is in progress.
How the historical record is updated
The watch performs the following operations continually while an Altimeter
Mode stopwatch operation is in progress.
Update Operation
The historical record value is compared with the current
reading and the greater of the two is recorded in the
historical record.
The historical record value is compared with the current
reading, and the lesser of the two is recorded in the
historical record.
The current Altimeter Mode stopwatch session value is
added to the historical record value.
Low Altitude
Total Ascent
Total Descent
Recalling Altitude Data
Use the Data Recall Mode to view altitude records currently in memory, as
well as the current Altimeter Mode stopwatch session record, and the
historical record. Altitude records are created and stored by the watch in the
Altimeter Mode.
Data Screens
The following explains the contents of each of the screens that appear in the
Data Recall Mode.
Note
• While an altitude record screen, or the high altitude or low altitude screen is
displayed, the bottom part of the display alternates between the
measurement date (month and day) and measurement time, at 1-second
intervals.
Measurement time
(Hour : Minutes)
Alternates at
1-second
intervals.
Record
name
Altitude
Historical Record
Data
High Altitude
Time
• The horizontal axis represents time, and the flashing dot in the rightmost
column indicates the latest measurement result. For the first three minutes,
each dot represents five seconds. After that, each dot represents two
minutes.
• An out of range measurement result or a measurement error will cause the
column of dots for that measurement to be blank (skipped).
▲
• In the Altimeter Mode
Altitude Measurement
First 3 minutes
After 3 minutes
Interval
Updated
every
5
Updated
every 5 seconds
0'05"
seconds
Updated every 5 Updated every 2 minutes
2'00"
seconds
• Outside the Altimeter Mode
Readings are taken and session data is updated every two minutes.
The altitude graph shows Altimeter Mode
measurement results.
• The vertical axis of the graph represents
altitude, and each dot stands for 10 meters (40
feet).
▲
Data
High Altitude
(MAX)
Low Altitude
(MIN)
Total Ascent
(ASC)
Total Descent
(DSC)
Altitude
• See “Clearing the Historical Record” for information about clearing the
historical record, which restarts all data values from zero.
Other Altimeter Mode Features
This section explains other features and settings that are available in the
Altimeter Mode. Note that all of the information in this section applies to all
types of Altimeter Mode measurements, unless specifically indicated
otherwise.
Specifying a Reference Altitude
After you specify a reference altitude, the watch adjusts its air-pressure-toaltitude conversion calculation accordingly. The altitude measurements
produced by this watch are subject to error caused by changes in air
pressure. Because of this, we recommend that you update the reference
altitude whenever one is available during your climb.
Measurement date
(Month – Day)
Altitude Records
These are records of the 20 newest altitude readings taken with the watch by
you. If you take more than 20 readings, the watch will delete the oldest
readings to make room for the newest readings.
Current Stopwatch Session Record
The following data items are included in the current stopwatch session record.
Data Type
High Altitude
Screen Name
MAX
Low Altitude
MIN
Total Ascent
ASC
Total Descent
DSC
Description
Highest altitude reached during the last
Altimeter Mode stopwatch session.
Lowest altitude reached during the last
Altimeter Mode session.
Total cumulative ascent during the last
Altimeter Mode session.
Total cumulative descent during the last
Altimeter Mode session.
Historical Record
The historical record contains data for all Altimeter Mode stopwatch sessions
performed since the last time the historical record was cleared.
Data Type
High Altitude
Screen Name
MAX
Low Altitude
MIN
Total Ascent
ASC
Total Descent
DSC
Description
Highest altitude reached during all
Altimeter Mode stopwatch sessions.
Lowest altitude reached during all
Altimeter Mode stopwatch sessions.
Total cumulative ascent during all Altimeter
Mode stopwatch sessions.
Total cumulative descent during all
Altimeter Mode stopwatch sessions.
To specify a reference altitude
lll
l l l lll
llll
ll l l
1. In the Altimeter Mode, hold down A for about
two seconds until either OFF or the current
reference altitude value starts to flash. This is
the setting screen.
2. Press E (+) or B (–) to change the current
reference altitude value by 5 meters (or 20 feet).
• You can specify the reference altitude within
the range of –10,000 to 10,000 meters
(–32,800 to 32,800 feet).
ll l l l l l l ll
• Pressing E and B at the same time returns to OFF (no reference
altitude), so the watch performs air pressure to altitude conversions
based on preset data only.
3. Press A to exit the setting screen.
5
Operation Guide 3147
To view altitude records and the current Altimeter Mode stopwatch
session record
Altitude records
Current stopwatch session record
E
E
REC(1)
E
E
REC(2)
B
E
C
REC(20)
MIN
MAX
B
E
B
E
ASC
B
B
B
DSC
B
C
Historical record
E
E
C
E
MIN
MAX
B
E
ASC
B
B
Barometric Pressure Graph
Barometric pressure indicates changes in the atmosphere. By monitoring
these changes you can predict the weather with reasonable accuracy.
This watch takes barometric pressure measurements automatically every two
hours (at the top of each even-numbered hour), regardless of its current
mode. Measurement results are used to produce barometric pressure graph
and barometric pressure change indicator readings.
The barometric pressure graph shows readings of previous measurements for
up to 24 hours. The horizontal axis of the graph represents time, with each dot
standing for two hours. The rightmost dot represents the most recent reading.
The vertical axis of the graph represents barometric pressure, with each dot
standing for the relative difference between its reading and that of the dots
next to it. Each dot represents 1hPa.
The following shows how to interpret the data that appears on the barometric
pressure graph.
DSC
B
1. Enter the Data Recall Mode.
2. Use the C button to cycle between the altitude records, current Altimeter
Mode stopwatch record, and the historical record.
3. When the record you want is displayed, use the E (+) button and B (–)
button to scroll through the data. Holding down the E or B button scrolls
data at high speed.
4. After you are finished viewing data, press D to exit the Data Recall Mode.
• Dashes (xxxx) will be displayed if data has been deleted or if there is no
corresponding data due to error, etc. In such cases, total ascent (ASC)
and total descent (DSC) values will show zero.
• When total ascent (ASC) or total descent (DSC) exceeds 99,995 meters
(or 99,980 feet), the applicable value will restart from zero.
Clearing the Historical Record
Use the following procedure to clear the contents of the historical record and
restart all values from zero.
A rising graph generally means improving weather.
A falling graph generally means deteriorating weather.
Note that if there are sudden changes in weather or
temperature, the graph line of past measurements may run
off the top or bottom of the display. The entire graph will
become visible once barometric conditions stabilize.
The following conditions cause the barometric pressure
Not visible on
measurement to be skipped, with the corresponding point on
the display.
the barometric pressure graph being left blank.
• Barometric reading that is out of range (260 hPa/mb to 1,100 hPa/mb or
7.65 inHg to 32.45 inHg)
• Sensor malfunction
Barometric Pressure Change Indicator
To clear the historical record
To take barometric pressure and temperature readings
Barometric
pressure
graph
Barometric
pressure
ll
ll
ll
In the Timekeeping Mode, press the D button to
enter the Barometer/Thermometer Mode. This
will start barometric pressure and temperature
measurements automatically.
• It can take up to four or five seconds for the
barometric pressure reading to appear after
you enter the Barometer/Thermometer Mode.
• Barometric pressure is displayed in units of
1hPa (or 0.05 inHg).
lll
Temperature
• The displayed barometric pressure value changes to xxxx hPa (or inHg) if
a measured barometric pressure falls outside the range of 260 hPa to
1100 hPa (7.65 inHg to 32.45 inHg). The barometric pressure value will
reappear as soon as the measured barometric pressure is within the
allowable range.
• Temperature is displayed in units of 0.1°C (or 0.2°F).
• The displayed temperature value changes to xxx °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.
• In some areas, barometric pressure is expressed in millibars (mb) instead
of hectopascals (hPa). It really makes no difference, because 1hPa = 1mb.
• You can select either hectopascals (hPa) or inchesHg (inHg) as the display
unit for the measured barometric pressure, and Celsius (°C) or Fahrenheit
(°F) as the display unit for the measured temperature value. See “To select
the temperature, barometric pressure, and altitude units”.
• See “Barometer and Thermometer Precautions” for important precautions.
ll
A
lll
This watch uses a pressure sensor to measure air pressure (barometric
pressure) and a temperature sensor to measure temperature.
• You can calibrate the pressure sensor and the temperature sensor if you
suspect that readings are incorrect.
ll
▲
▲
Barometer/Thermometer
Barometric pressure
change indicator
Barometric pressure graph
ll
1. Press the D button to enter the Data Recall
Mode.
2. Hold down A.
• CLR will appear in the upper part of the
display.
3. Keep A held down for an additional two
seconds until CLR starts flashing.
• The historical record high altitude screen will
reappear when data deletion is complete.
• If you release the A button part way through
the above procedure, the watch will return to
the historical record high altitude screen
without deleting the data.
A
In the Barometer/Thermometer Mode, press the A button to toggle between
the barometric pressure graph and the barometric pressure change indicator.
This indicator ( ) indicates the relative difference between the most recent
barometric pressure reading indicated on the barometric pressure graph, and
the current barometric pressure value displayed in the Barometer/
Thermometer Mode.
• Pressure differential is indicated in the range of ±4 hPa, in 1-hPa units.
• The barometric pressure change indicator ( ) is not displayed when the
displayed current barometric value is outside of the allowable measurement
range (260 to 1,100 hPa).
• Barometric pressure is calculated and displayed using hPa as the standard.
The barometric pressure differential also can be read in inHg units as
shown in the illustration.
or
Barometric pressure
change indicator
More than +4hPa
+3hPa
+2hPa
+1hPa
±0hPa
–1hPa
–2hPa
–3hPa
Less than –4hPa
About Barometric and Temperature Measurements
• Barometric pressure and temperature measurement operations are
performed as soon as you enter the Barometer/Thermometer Mode. After
that, barometric pressure and temperature measurements are taken every
five seconds.
• During barometric pressure measurements, the watch may not be able to
update its timekeeping display contents normally. Correct timekeeping is
maintained internally, however.
6
Operation Guide 3147
World Time
Countdown Timer
World Time displays the current time in 33 cities
(29 time zones) around the world.
• If the current time shown for a city is wrong,
check your Home City time settings and make
the necessary changes.
• For full information on city codes, see the “City
Code Table”.
• All of the operations in this section are
performed in the World Time Mode, which you
enter by pressing D.
Timekeeping
Mode time
City code
Current time in the zone
of the selected city code
To view the time in another city
In the World Time Mode, use E (east) and B
(west) to scroll through city codes (time zones).
• When the currently selected time zone is one
that includes mostly ocean, a value indicating
the zone’s UTC offset appears in place of a city
code.
To toggle a city code time between Standard Time and Daylight
Saving Time
1. In the World Time Mode, use E (east) and B
(west) to display the city code (time zone)
whose Standard Time/Daylight Saving Time
setting you want to change.
2. Hold down A to toggle between Daylight
Saving Time (DST indicator displayed) and
Standard Time (DST indicator not displayed).
• The DST indicator appears on the display
whenever you display a city code for which
Daylight Saving Time is turned on.
DST indicator
• You cannot toggle between Daylight Saving Time and Standard Time if the
displayed city code is UTC(UTC offset: 0).
• Note that the DST/Standard Time setting affects only the currently
displayed city code. Other city codes are not affected.
Current time
Hours
To set the countdown start time
Minutes
Seconds
Minutes
Current time
1/100
second
Seconds
The stopwatch lets you measure elapsed time,
split times, and two finishes.
• The Stopwatch Mode is independent of the
Altimeter Mode stopwatch.
• The display range of the stopwatch is 23 hours,
59 minutes, 59.99 seconds.
• The stopwatch continues to run, restarting from
zero after it reaches its limit, until you stop it.
• The stopwatch measurement operation
continues even if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is
frozen on the display clears the split time and
returns to elapsed time measurement.
• All of the operations in this section are
performed in the Stopwatch Mode, which you
enter by pressing D.
To use the countdown timer
Press E while in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached, the alarm sounds for five
seconds or until you stop it by pressing any button. The countdown time is
reset to its starting value automatically when the alarm sounds.
• Press E while a countdown operation is in progress to pause it. Press E
again to resume the countdown.
• To stop a countdown operation completely, first pause it (by pressing E)
and then press B. This returns the countdown time to its starting value.
Alarms
Alarm number
Current time
Alarm time
(Hour : Minutes)
JE
Re-start
Split Time
JB
JB
E
Start
Split
Split release
(SPL displayed)
Two Finishes
JB
JE
E
Start
Split
Stop
First runner Second runner
finishes.
finishes.
Display time
of first runner.
The Alarm Mode gives you a choice of four onetime alarms and one snooze alarm.
Also use the Alarm Mode to turn the Hourly Time
Signal (SIG) on and off.
• There are five alarms numbered AL1 through
AL4, and SNZ. You can configure SNZ as a
snooze alarm only. Alarms AL1 through AL4
can be used as one-time alarms only.
• When you enter the Alarm Mode, the data 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 D.
To set an alarm time
1. In the Alarm Mode, use E and B to scroll
through the alarm screens until the one whose
time you want to set is displayed.
E
AL1
To measure times with the stopwatch
Elapsed Time
JE
E
Start
Stop
1. While the countdown start time is on the
display in the Countdown Timer Mode, hold
down A until the hour setting of the
countdown start time starts to flash, which
indicates the setting screen.
• If the countdown start time is not displayed,
use the procedure under “To use the
countdown timer” to display it.
2. Press D to move the flashing between the hour and minute settings.
3. Use E (+) and B (–) to change the flashing item.
• To set the starting value of the countdown time to 24 hours, set
OO'OO".
4. Press A to exit the setting screen.
Stopwatch
Hours
You can set the countdown timer within a range
of one minute to 24 hours. An alarm sounds
when the countdown reaches zero.
• All of the operations in this section are
performed in the Countdown Timer Mode,
which you enter by pressing D.
AL2
AL3
SNZ
AL4
B
E
Stop
J
E
Stop
J
JB
Split release
Display time of
second runner.
B
Clear
J
B
Clear
J
B
Clear
J
Alarm on indicator
SIG
2. Hold down A until the hour setting of the alarm time start to flash, which
indicates the setting screen.
• This automatically turns on the alarm.
3. Press D to move the flashing between the hour and minute settings.
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).
5. Press A to exit the setting screen.
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the
mode the watch is in. In the case of the snooze alarm, the alarm operation is
performed a total of seven times, every five minutes, until you turn the alarm
off.
• Alarm and Hourly Time Signal operations are performed in accordance with
the Timekeeping Mode time.
• To stop the alarm tone after it starts to sound, press any button.
• Performing any one of the following operations during a 5-minute interval
between snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the SNZ setting screen
To test the alarm
In the Alarm Mode, hold down E to sound the alarm.
7
Operation Guide 3147
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use E and B to select an alarm or the Hourly Time
Signal.
2. When the alarm or the Hourly Time Signal you want is selected, press C
to toggle it on and off.
ALM Indicates alarm is on.
SIG Indicates Hourly Time Signal is on.
• The alarm on indicator (ALM) and the Hourly Time Signal on indicator (SIG)
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.
Question: How does the altimeter work?
Answer: Generally, air pressure and temperature decrease as altitude
increases. This watch bases its altitude measurements on
International Standard Atmosphere (ISA) values stipulated by the
International Civil Aviation Organization (ICAO). These values define
relationships between altitude, air pressure, and temperature.
Altitude
4000 m
3500 m
3000 m
2500 m
2000 m
Illumination
1500 m
1000 m
Auto light switch
on indicator
The display of the watch is illuminated using an
EL (electro-luminescent) panel for easy reading
in the dark. The watch’s auto light switch turns on
illumination automatically when you angle the
watch towards your face.
• The auto light switch must be turned on
(indicated by the auto light switch on indicator)
for it to operate.
• See “Illumination Precautions” for other
important information about using illumination.
To turn on illumination manually
Press L in any mode to illuminate the display for about one second.
• The above operation turns on illumination regardless of the current auto
light switch setting.
• Illumination is disabled during time calibration signal reception, and while
configuring sensor measurement mode settings.
About the Auto Light Switch
Turning on the auto light switch causes illumination to turn on, whenever you
position your wrist as described below in any mode.
Note that this watch features a “Full Auto EL Light”, so the auto light switch
operates only when available light is below a certain level. It does not
illuminate the display under bright light.
• 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 receive operation is in progress in the Receive Mode
0m
500 m
14000 ft
12000 ft
10000 ft
8000 ft
6000 ft
4000 ft
2000 ft
0 ft
Air Pressure
Temperature
616 hPa
About 8 hPa per 100 m
–11°C
701 hPa
About 9 hPa per 100 m
–4.5°C
795 hPa
About 10 hPa per 100 m
2°C
899 hPa
About 11 hPa per 100 m
8.5°C
1013 hPa
About 12 hPa per 100 m
15°C
19.03 inHg
About 0.15 inHg per 200 ft
16.2°F
22.23 inHg
About 0.17 inHg per 200 ft
30.5°F
25.84 inHg
About 0.192 inHg per 200 ft 44.7°F
29.92 inHg
About 0.21 inHg per 200 ft
About 6.5°C
per 1000 m
About 3.6°F
per 1000 ft
59.0°F
Source: International Civil Aviation Organization
• Note that the following conditions will prevent you from obtaining accurate
readings:
When air pressure changes because of changes in the weather
Extreme temperature changes
When the watch itself is subjected to strong impact
There are two standard methods of expressing altitude: Absolute altitude and
relative altitude. Absolute altitude expresses an absolute height above sea
level. Relative altitude expresses the difference between the height of two
different places.
Height of building 130 m
(relative altitude)
Rooftop at an altitude of
230 m above sea level
(absolute altitude)
Moving the watch to a position that is parallel to the ground and then tilting
it towards you more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of your wrist.
Sea Level
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 L for about three seconds to toggle the
auto light switch on (A.EL displayed) and off (A.EL not displayed).
• The auto light switch on indicator (A.EL) 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 3.
• Illumination may not turn on right away if you raise the watch to your face
while a barometric pressure or altitude measurement operation is in
progress.
Questions & Answers
Question: How does the barometer work?
Answer: Barometric pressure indicates changes in the atmosphere, and by
monitoring these changes you can predict the weather with
reasonable accuracy. Rising atmospheric pressure indicates good
weather, while falling pressure indicates deteriorating weather
conditions.
The barometric pressures that you see in the newspaper and on the
TV weather report are measurements corrected to values measured
at 0 m sea level.
Precautions Concerning Simultaneous Measurement of Altitude and
Temperature
Though you can perform altitude and temperature measurements at the same
time, you should remember that each of these measurements requires
different conditions for best results. With temperature measurement, it is best
to remove the watch from your wrist in order to eliminate the effects of body
heat. In the case of altitude measurement, on the other hand, it is better to
leave the watch on your wrist, because doing so keeps the watch at a
constant temperature, which contributes to more accurate altitude
measurements.
• To give altitude measurement priority, leave the watch on your wrist or in
any other location where the temperature of the watch is kept constant.
• To give temperature measurement priority, 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. Note that removing the watch from your
wrist can affect pressure sensor readings momentarily.
Power Supply
This watch is equipped with a solar cell and a special rechargeable battery
(secondary battery) that is charged by the electrical power produced by the
solar cell. The illustration shown below shows how you should position the
watch for charging.
Example: Orient the watch so its face is
pointing at a light source.
• The illustration shows how to position a
watch with a resin band.
• Note that charging efficiency drops when
any part of the solar cell is blocked by
clothing, etc.
• You should try to keep the watch outside
of your sleeve as much as possible.
Charging is reduced significantly if the
face is covered only partially.
Solar cell
8
Operation Guide 3147
The battery power indicator on the display shows you the current status of the
rechargeable battery’s power.
Level Battery Power Indicator
All functions enabled.
2
All functions enabled.
l ll
lll
lllllllll
4
lll
lll
lll
c
ll ll
5
Except for timekeeping and
the C (charge) indicator, all
functions and display
indicators disabled.
All functions disabled.
• The flashing LOW indicator at Level 3 tells you that battery power is very
low, and that exposure to bright light for charging is required as soon as
possible.
• At Level 5, all functions are disabled and settings return to their initial
factory defaults. Once the battery reaches Level 2 (indicated by M indicator)
after falling to Level 5, reconfigure the current time, date, and other
settings.
• Display indicators reappear as soon as the battery is charged from Level 5
to Level 2.
• Leaving the watch exposed to direct sunlight or some other very strong light
source can cause the battery power indicator to show a reading temporarily
that is higher than the actual battery level. The correct battery level should
be indicated after a few minutes.
• Even if battery power is at Level 1 or Level 2, the Barometer/Thermometer
Mode or Altimeter Mode sensor may be disabled if there is not enough
voltage available to power it sufficiently. This is indicated by LMH (recover)
on the display.
• If LMH (recover) appears frequently, it probably means that remaining
battery power is low. Leave the watch in bright light to allow it to charge.
Charging Precautions
Warning!
Leaving the watch in bright light to charge its rechargeable battery can
cause it to become quite hot. Take care when handling the watch to
avoid burn injury. The watch can become particularly hot when exposed
to the following conditions for long periods.
• On the dashboard of a car parked in direct sunlight
• Too close to an incandescent lamp
• Under direct sunlight
Recovery Times
The table below shows the amount exposure that is required to take the
battery from one level to the next.
Approximate Exposure Time
Exposure Level
(Brightness)
Level 5 Level 4 Level 3
Level 2
Level 1
Outdoor Sunlight
(50,000 lux)
1 hour
14 hours
4 hours
Sunlight Through a
Window (10,000 lux)
4 hours
69 hours
19 hours
Daylight Through a
Window on a Cloudy
Day (5,000 lux)
6 hours
139 hours
38 hours
62 hours
--------
--------
Indoor Fluorescent
Lighting (500 lux)
• The above exposure time values are all for reference only. Actual required
exposure times depend on lighting conditions.
Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
• In the Timekeeping Mode, you can use the buttons shown in the illustration
to display the timekeeping display you want.
• Pressing the B button once will display the current time in the city you last
viewed in the World Time Mode.
• Holding down the B button for about five seconds will swap the World
Time City and your current Home Time City.
• To swap the cities back again, hold down the B button for about five
seconds again.
City you last viewed in the
World Time Mode
TYO Time
Day of week
B
Hour :
Minutes
TYO Time
Time in city
you last viewed
in the World
Time Mode
TYO Time
Release B.
Seconds
▲ Hold down B for
Hold down B for
five seconds.
UTC Time
five seconds.
Release B.
▲
Certain charging conditions can cause the watch to become very hot. Avoid
leaving the watch in the areas described below whenever charging its
rechargeable battery.
Also note that allowing the watch to become very hot can cause its liquid
crystal display to black out. The appearance of the LCD should become
normal again when the watch returns to a lower temperature.
• Since these are the specs, we can include all the technical details.
• 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
• 1 hour of altimeter measurement at 5-second interval, once per month
• 2 hours of barometric pressure measurement per day
• 6 minutes of signal reception per day
• Stable operation is promoted by frequent exposure to light.
▲
Recover indicator
• Performing multiple sensor, illumination, or
beeper operations during a short period may
cause LMH (recover) to appear on the display.
Illumination, alarm, countdown timer alarm,
hourly time signal, and sensor operations will
be disabled until battery power recovers.
After some time, battery power will recover and
LMH (recover) will disappear, indicating that
the above functions are enabled again.
24 minutes
48 minutes
8 hours
▲
(Charge Soon Alert)
Sunlight Through a Window (10,000 lux)
Daylight Through a Window on a Cloudy Day (5,000 lux)
Indoor Fluorescent Lighting (500 lux)
▲
Auto and manual receive,
illumination, beeper, and
sensor operation disabled.
Outdoor Sunlight (50,000 lux)
Approximate
Exposure Time
5 minutes
Exposure Level (Brightness)
▲
ll l
l ll
lllllllll
ll l
3
lll
Battery power
indicator
Function Status
1
After a full charge, timekeeping remains enabled for up to about five months.
• The following table shows the amount of time the watch needs to be
exposed to light each day in order to generate enough power for normal
daily operations.
▲
Battery Power Indicator and Recover Indicator
Charging Guide
▲
• Storing the watch for long periods in an area where there is no light or
wearing it in such a way that it is blocked from exposure to light can cause
rechargeable battery power to run down. Be sure that the watch is exposed
to bright light whenever possible.
• This watch uses a special rechargeable battery to store power produced by
the solar cell, so regular battery replacement is not required. However, after
very long use, the rechargeable battery may lose its ability to achieve a full
charge. If you experience problems getting the special rechargeable battery
to charge fully, contact your dealer or CASIO distributor about having it
replaced.
• Never try to remove or replace the watch’s special battery yourself. Use of
the wrong type of battery can damage the watch.
• All data stored in memory is deleted, and the current time and all other
settings return to their initial factory defaults whenever battery power drops
to Level 5 and when you have the battery replaced.
• Turn on the watch’s Power Saving function and keep it in an area normally
exposed to bright light when storing it for long periods. This helps to keep
the rechargeable battery from going dead.
▲
Important!
B
Time in city
you last
viewed in the
World Time
Mode
Time in city you last viewed
in the World Time Mode
Read This Before You Set the Time and Date!
This watch is preset with a number of city codes, each of which represents the
time zone where that city is located. When setting the time, it is important that
you first select the correct city code for your Home City (the city where you
normally use the watch). If your location is not included in the preset city codes,
select the preset city code that is in the same time zone as your location.
• Note that all of the times for the World Time Mode city codes are displayed
in accordance with the time and date settings you configure in the
Timekeeping Mode.
9
Operation Guide 3147
Reference
To set the time and date manually
1. In the Timekeeping Mode, hold down A until the city code starts to flash,
which indicates the setting screen.
2. Use E and B to select the city code you want.
• Make sure you select your Home City code before changing any other
setting.
• For full information on city codes, see the “City Code Table”.
3. Press D to move the flashing in the sequence shown below to select the
other settings.
City Code
DST
Barometric
Pressure Unit
12/24-Hour
Format
Altitude Unit
Seconds
Temperature
Unit
Hour
Power
Saving
Minutes
Day
Year
Month
• The following steps explain how to configure timekeeping settings only.
4. When the timekeeping setting you want to change is flashing, use E and/
or B to change it as described below.
Screen
To do this:
Change the city code
Do this:
Use E (east) and
B(west).
Cycle between Auto DST (AvtA), Press E.
Daylight Saving Time (ON) and
Standard Time (OFF).
Toggle between 12-hour (12H) Press E.
and 24-hour (24H) timekeeping.
Reset the seconds to 00
Press E.
ON
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.
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 Data Recall,
Alarm, Receive, or Barometer/Thermometer Mode.
• If you do not perform any button operation for 21 or 22 hours while in the
Altimeter Mode, the watch will return to the Timekeeping Mode
automatically.
• If you leave a screen with flashing digits on the display for two or three
minutes without performing any operation, the watch exits the setting
screen automatically.
Initial Screens
When you enter the World Time or Alarm Mode, the data you were viewing
when you last exited the mode appears first.
Scrolling
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.
Sensor Malfunction Indicator
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.
Barometric Pressure
Measurement
Change the hour or minutes
Altitude
Measurement
Use E (+) and B (–).
Change the year, month, or day
5. Press A to exit the setting screen.
Note
• Auto DST (AvtA) can be selected only while LON, PAR, BER, ATH,
HKG, TPE, TYO, LAX, DEN, CHI, or NYC is selected as the
Home City code. For more information, see “Daylight Saving Time (DST)”
below.
• You also need to enter the Timekeeping Mode in order to configure the
following settings.
Power saving on/off (“To turn Power Saving on and off”)
Temperature, barometric pressure, and altitude units (“To select the
temperature, barometric pressure, and altitude units”)
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the time setting by one hour
from Standard Time. Remember that not all countries or even local areas use
Daylight Saving Time.
The time calibration signals transmitted from Mainflingen (Germany), Anthorn
(England), or Fort Collins (the United States) include both Standard Time and
DST data. When the Auto DST setting is turned on, the watch switches
between Standard Time and DST (summer time) automatically in accordance
with the signals.
• Though the time calibration signal transmitted by the Fukushima and
Fukuoka/Saga, Japan transmitters include summer time data, summer time
currently is not implemented in Japan (as of 2007).
• The default DST setting is Auto DST (AvtA) whenever you select LON,
PAR, BER, ATH, HKG, TPE, TYO, LAX, DEN, CHI, or NYC
as your Home City code.
• If you experience problems receiving the time calibration signal in your
area, it probably is best to switch between Standard Time and Daylight
Saving Time (summer time) manually.
• 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 or Level 2, the Barometer/Thermometer
Mode or Altimeter 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.
• If ERR keeps appearing during measurement, it could mean there is a
problem with the applicable sensor.
Whenever you have a sensor malfunction, be sure to take the watch to
your original dealer or nearest authorized CASIO distributor as soon as
possible.
Button Operation Tone
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.
To turn the button operation tone on and off
Mute indicator
To change the Daylight Saving Time (summer time) setting
DST indicator 1. In the Timekeeping Mode, hold down A until
the city code starts to flash, which indicates
the setting screen.
2. Press D and the DST setting screen appears.
3. Use E to cycle through the DST settings in
the sequence shown below.
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Auto DST (AvtA)
DST off (OFF)
DST on (ON)
• If you change your Home City to one that is within the same transmitter
area, the current DST setting will be retained. If you change to a city that is
outside your current transmitter area, DST will be turned off automatically.
Transmitter area city codes
• HKG, TPE, and TYO
• LAX, DEN, CHI, NYC, ANC, and HNL
• LON, PAR, BER, and ATH
• All other city codes
4. When the setting you want is selected, press A to exit the setting screen.
• The DST indicator appears to indicate that Daylight Saving Time is turned on.
In any mode (except when a setting screen is on
the display), hold down D to toggle the button
operation tone on (MUTE not displayed) and off
(MUTE displayed).
• Since the D button is also the mode change button, holding it down to turn
the button operation on or off also causes the watch’s current mode to
change.
• The MUTE indicator is displayed in all modes when the button operation
tone is turned off.
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
60 to 70 minutes
(Display Sleep)
6 or 7 days
(Function Sleep)
Display
Blank, with
PS flashing
Blank, with
PS not flashing
Operation
Display is off, but all functions
are enabled.
All functions are disabled, but
timekeeping is maintained.
10
Operation Guide 3147
• Wearing the watch inside the sleeve of clothing can cause it to enter the
sleep state.
• The watch will not enter the sleep state while the digital time is between
6:00 AM and 9:59 PM. If the watch is already in the sleep state when the
digital time reaches 6:00 AM, however, it will remain in the sleep state.
• The watch will not enter the sleep state while it is in the Barometer/
Thermometer, Altimeter, Receive, Countdown Timer, or Stopwatch Mode.
When the watch is left in any mode besides the Countdown Timer and
Stopwatch Mode, the watch will return to the Timekeeping Mode
automatically after a specific amount of time. Then if left in the dark for the
elapsed time indicated in the table above, the watch will enter the sleep
state.
To recover from the sleep state
Perform any one of the following operations.
• Move the watch to a well-lit area. It can take up to two seconds for the
display to turn on.
• Press any button.
• Angle the watch towards your face for reading.
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To turn Power Saving on and off
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Power Saving on
indicator
1. In the Timekeeping Mode, hold down A until
the city code starts to flash, which indicates
the setting screen.
2. Press D nine times until the Power Saving
on/off screen appears.
3. Press E to toggle Power Saving on (ON) and
off (OFF).
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.
Radio-controlled Atomic Timekeeping Precautions
• Strong electrostatic charge can result in the wrong time being set.
• The time calibration signal bounces off the ionosphere. Because of this,
such factors as changes in the reflectivity of the ionosphere, as well as
movement of the ionosphere to higher altitudes due to seasonal
atmospheric changes or the time of day may change the reception range of
the signal and make reception temporarily impossible.
• Even if the time calibration signal is received properly, certain conditions
can cause the time setting to be off by up to one second.
• The current time setting in accordance with the time calibration signal takes
priority over any time settings you make manually.
• The watch is designed to update the date and day of the week
automatically for the period January 1, 2001 to December 31, 2099. Setting
of the date by the time calibration signal cannot be performed starting from
January 1, 2100.
• This watch can receive signals that differentiate between leap years and
non-leap years.
• Though this watch is designed to receive both time data (hour, minutes,
seconds) and date data (year, month, day), certain signal conditions can
limit reception to time data only.
• If you are in an area where proper time calibration signal reception is
impossible, the watch keeps time within ±15 seconds a month at normal
temperature.
• If you have problems with proper time calibration signal reception or if the
time setting is wrong after signal reception, check your current city code,
DST (summer time), and auto receive settings.
• The Home City setting reverts to the initial default of BER (Berlin)
whenever the battery power level drops to Level 5 or when you have the
rechargeable battery replaced. If this happens, change the Home City to the
setting you want.
Transmitters
The time calibration signal received by this watch depends on the currently
selected Home City code.
• When a U.S. time zone is selected, the watch receives the time calibration
signal transmitted from the United States (Fort Collins).
• When a Japanese time zone is selected, the watch receives the time
calibration signal transmitted from Japan (Fukushima and Fukuoka/Saga).
• When a European time zone is selected, the watch receives the time
calibration signals transmitted from Germany (Mainflingen) and England
(Anthorn).
• When a China time zone is selected, the watch receives the time calibration
signals transmitted from China (Shangqiu City).
• When your Home City is LON, PAR, BER, or ATH (which can receive both
the Anthorn and Mainflingen signals), the watch first tries to pick up the
signal it last successfully received. If that fails, it tries the other signal. For
the first receive after you select your Home City, the watch tries the nearest
signal first (Anthorn for LON, Mainflingen for PAR, BER, and ATH).
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 12-hour/24-hour timekeeping format you select in the Timekeeping
Mode is applied in all modes.
• The watch’s built-in full automatic calendar makes allowances for different
month lengths and leap years. Once you set the date, there should be no
reason to change it except when battery power drops to Level 5.
• The current time for all city codes in the Timekeeping Mode and World Time
Mode is calculated in accordance with the Coordinated Universal Time
(UTC) for each city, based on your Home City time setting.
• The UTC offset is a value that indicates the time difference between a
reference point in Greenwich, England and the time zone where a city is
located.
• The letters “UTC” is the abbreviation for “Coordinated Universal Time”,
which is the world-wide scientific standard of timekeeping. It is based upon
carefully maintained atomic (cesium) clocks that keep time accurately to
within microseconds. Leap seconds are added or subtracted as necessary
to keep UTC in sync with the Earth’s rotation.
Illumination Precautions
• 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.
• The watch may emit an audible sound whenever the display is illuminated.
This is due to vibration of the EL panel used for illumination, and does not
indicate malfunction.
• Frequent use of illumination runs down the battery.
Auto light switch precautions
• The auto light switch is turned off automatically whenever battery power is
at Level 4.
• 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.
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
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.
• Under certain conditions, illumination does not turn on until about one
second after you turn the face of the watch towards you. This does not
necessarily indicate malfunction.
• 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.
Barometer and Thermometer Precautions
• The pressure sensor built into this watch measures changes in air
pressure, which you can then apply to your own weather predictions. It is
not intended for use as a precision instrument in official weather prediction
or reporting applications.
• Sudden temperature changes can affect pressure sensor readings.
• 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.
11
Operation Guide 3147
City Code Table
Pressure Sensor and Temperature Sensor Calibration
The pressure sensor and temperature sensor built into the watch are
calibrated at the factory and normally require no further adjustment. If you
notice serious errors in the pressure readings and temperature readings
produced by the watch, you can calibrate the sensor to correct the errors.
Important!
• Incorrectly calibrating the barometric pressure sensor can result in incorrect
readings. Before performing the calibration procedure, compare the
readings produced by the watch with those of another reliable and accurate
barometer.
• 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 before
adjusting.
To calibrate the pressure sensor and the temperature sensor
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1. Press D to enter the Barometer/
Thermometer Mode.
2. In the Barometer/Thermometer Mode, hold
down A for about two seconds until either
OFF or the current temperature calibration
value starts to flash. This is the setting screen.
• If you want to calibrate the barometric
pressure sensor, press D to move the
flashing to the middle display area. This is
the pressure sensor calibration screen.
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3. Use E (+) and B (–) to set the calibration value in the units shown below.
Temperature
0.1°C (0.2°F)
Barometric Pressure 1 hPa (0.05 inHg)
• Pressing E and B at the same time returns to the factory calibration
(OFF).
4. Press A to return to the Barometer/Thermometer Mode screen.
City
Code
PPG
HNL
ANC
City
UTC offset
Pago Pago
Honolulu
Anchorage
–11.0
–10.0
–09.0
LAX
Los Angeles
–08.0
DEN
Denver
–07.0
CHI
Chicago
–06.0
NYC
New York
–05.0
SCL
Santiago
RIO
Rio De Janeiro
FEN Fernando de Noronha
RAI
Praia
UTC
LON
London
PAR
Paris
BER
Berlin
ATH
Athens
CAI
Cairo
JRS
Jerusalem
JED
Jeddah
THR
Tehran
DXB
Dubai
KBL
Kabul
KHI
Karachi
DEL
Delhi
DAC
Dhaka
RGN
Yangon
BKK
Bangkok
Hong Kong
HKG
Taipei
TPE
TYO
Tokyo
ADL
Adelaide
Sydney
SYD
NOU
Noumea
WLG
Wellington
–04.0
–03.0
–02.0
–01.0
—
+00.0
+01.0
+02.0
+03.0
+03.5
+04.0
+04.5
+05.0
+05.5
+06.0
+06.5
+07.0
+08.0
+09.0
+09.5
+10.0
+11.0
+12.0
Other major cities in same time zone
Papeete
Nome
San Francisco, Las Vegas, Vancouver,
Seattle/Tacoma, Dawson City, Tijuana
El Paso, Edmonton, Culiacan
Houston, Dallas/Fort Worth,
New Orleans, Mexico City, Winnipeg
Montreal, Detroit, Miami, Boston,
Panama City, Havana, Lima, Bogota
La Paz, Port Of Spain
Sao Paulo, Buenos Aires, Brasilia, Montevideo
Dublin, Lisbon, Casablanca, Dakar, Abidjan
Milan, Rome, Madrid, Amsterdam, Algiers, Hamburg,
Frankfurt, Vienna, Stockholm
Helsinki, Istanbul, Beirut, Damascus,
Cape Town
Kuwait, Riyadh, Aden, Addis Ababa, Nairobi, Moscow
Shiraz
Abu Dhabi, Muscat
Male
Mumbai, Kolkata, Colombo
Jakarta, Phnom Penh, Hanoi, Vientiane
Singapore, Kuala Lumpur, Beijing, Manila, Perth,
Ulaanbaatar
Pyongyang, Seoul
Darwin
Melbourne, Guam, Rabaul
Port Vila
Christchurch, Nadi, Nauru Island
• Based on data as of June 2007.
• UTC offsets and the use of summer time are subject to change in the
country where they are used.
To select the temperature, barometric pressure, and altitude units
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1. Enter the Timekeeping Mode.
2. Hold down A until the city code starts to
flash, which indicates the setting screen.
3. Use D to select the setting screen for the unit
you want to change.
• See step 3 under “To set the time and date
manually” for information about how to scroll
through setting screens.
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4. Press E to change the unit setting.
• Each press of E changes the selected unit setting as shown below.
Temperature
°C and °F
Barometric Pressure
hPa and inHg
Altitude
m and ft
5. After the settings are the way you want, press A to exit the setting screen.
12
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