USER’S GUIDE 2471
Getting Acquainted
If the display of the watch is blank...
Congratulations upon your selection of this CASIO watch. To get the most out
If the SLEEP indicator is on the display (either
of your purchase, be sure to carefully read this manual and keep it on hand
flashing or steady), it means that the display is
for later reference when necessary.
blank because the watch's Power Saving function
has shut it to conserve power. Power Saving
Expose the watch to bright light to charge its battery before using it.
automatically turns off the display and puts the
You can use this watch even as its battery is being charged by exposure to
watch into a sleep state whenever your watch is
bright light.
left in an area where it is dark for a certain
•
Be sure to read ŇBattery” of this manual for important information
•
period.
you need to know when exposing the watch to bright light.
•
The initial factory default setting is Power Saving on.
Applications
*
•
The watch recovers from the sleep state if you move it to a well-lit area , if
you press any button, or if you angle the watch towards your face for
The built-in sensors of this watch measure direction, altitude, barometric
reading.
pressure, and temperature. Measured values are then shown on the display.
*
It can take up to five seconds for the display to turn on.
Such features make this watch useful when hiking, mountain climbing, or
•
See ŇPower Saving Function” for more information.
when engaging in other such outdoor activities.
About This Manual
Warning!
•
Button operations are indicated using the
•
The measurement functions built into this watch are not intended for
letters shown in the illustration.
taking measurements that require professional or industrial precision.
•
Each section of this manual provides you with
Values produced by this watch should be considered as reasonable
the information you need to perform operations
representations only.
in each mode. Further details and technical
•
When engaging in mountain climbing or other activities in which losing
information can be found in the ŇReference”
your way can create a dangerous or life-threatening situation, always be
section.
sure to use a second compass to confirm direction readings.
•
CASIO COMPUTER CO., LTD. assumes no responsibility for any loss,
or any claims by third parties that may arise through the use of this
(Light)
watch.
General Guide
•
You can use buttons B, C, and E to directly enter a sensor mode from
the Timekeeping Mode or from another sensor mode. To get to a sensor
mode from the Data Recall or Alarm Mode, you must go to the Timekeeping
•
The illustration below shows which buttons you need to press to navigate
Mode first.
between modes.
Data Recall Mode
Sensor Modes
Timekeeping Mode
L
L
L
Press C.
Press E.
Press B.
Press D.
Barometer/
L
Digital Compass Mode
Altimeter Mode
Thermometer Mode
L
D
L
Alarm Mode
D
L
Press D.
Digital Compass
Timekeeping
A built-in bearing sensor detects magnetic north and indicates one of 16
Use the Timekeeping Mode to set and view the
PM indicator
directions on the display. Direction readings are performed in the Digital
current time and date.
Seconds
Compass Mode.
Day of week
•
You can calibrate the bearing sensor if you suspect the direction reading is
To set the time and date
incorrect.
1. In the Timekeeping Mode, hold down A until
the seconds start to flash, which indicates the
To enter and exit the Digital Compass Mode
setting screen.
1. While in the Timekeeping, Barometer/Thermometer, or Altimeter Mode,
2. Press D to move the flashing in the
press B to enter the Digital Compass Mode.
sequence shown below to select other
•
At this time, the watch immediately starts a Digital Compass operation.
settings.
Year
Month – Day
After about two seconds, letters appear on the display to indicate the
Hour : Minutes
direction that the 12 o’clock position of the watch is pointing.
2. Press D to return to the Timekeeping Mode.
12/24-Hour
Minutes
Seconds
Hour
Format
To take a direction reading
1. Enter the Digital Compass Mode.
Magnetic north pointer
Day of
2. Place the watch on a flat surface or (if you are
Power Saving
Month
Day
Year
12 o’clock position
week
on/off
wearing the watch), make sure that your wrist
Direction
is horizontal (in relation to the horizon).
3. When the setting you want to change is flashing, use E to change it as
3. Point the 12 o’clock position of the watch in
described below.
the direction you want to measure.
4. Press B to start a Digital Compass
Setting
Button Operations
Screen
measurement operation.
00
00
Seconds
Press E to reset the seconds to 00.
00
00
•
After about two seconds, the direction that the
Hour, Minutes
Use E (+) to change the setting.
12 o’clock position of the watch is pointing
12/24-Hour
Use E to toggle between 12-hour (12H) and
Timekeeping Mode time
appears on the display.
format
24-hour (24H) timekeeping.
•
Also, four pointers appear to indicate magnetic
Direction value (in degrees)
north, south, east, and west.
Use E (+) to change the setting.
Year, Month,
N
NW
N
W
W
N
•
After the first reading is obtained, the watch
Day
W
0
°
N
W
N
continues to take direction readings
Use E (+) to change the setting.
Day of week
N
W
S
E
W
automatically each second, for up to 20
N
Press E to toggle the Power Saving on
Power Saving
E
W
S
E
seconds.
(On) and off (OFF).
on/off
N
W
E
S
S
E
S
ES
E
E
S
S
SE
4. Press A to exit the setting screen.
1
USER’S GUIDE 2471
•
The COMP indicator flashes on the display while a measurement is in
Note that if there are sudden changes in weather or
progress.
temperature, the graph line of past measurements may run
•
The direction value that appears on the display represents the clockwise
off the top or bottom of the display. The entire graph will
angle formed between magnetic north (which is 0 degrees) and the
become visible once barometric conditions stabilize.
Not visible on
displayed direction.
The following conditions cause the barometric pressure
the display.
measurement to be skipped, with the corresponding point on
Note
the barometric pressure graph being left blank.
•
Note that taking a measurement while the watch is not horizontal (in
•
Barometric reading that is out of range (260 hPa/mb to 1,100 hPa/mb or
relation to the horizon) can result in large measurement error.
7.65 inHg to 32.45 inHg)
•
The margin of error for the direction value is
±
11 degrees. If the indicated
•
Sensor malfunction
direction is northwest (NW) and 315 degrees, for example, the actual
•
Dead batteries
direction can be anywhere from 304 to 326 degrees.
•
Digital Compass operation is automatically interrupted whenever an alarm
About Barometric and Temperature Measurements
(Daily Alarm or Hourly Time Signal) sounds. If this happens, start the Digital
•
Barometric pressure and temperature measurement operations are
Compass operation again from the beginning.
performed as soon as you enter the Barometer/Thermometer Mode. After
•
The following table shows the meanings of each of the direction
that, barometric pressure and temperature measurements are taken every
abbreviations that appear on the display.
five seconds for the first three minutes.
•
The BARO indicator flashes on the display while a measurement is in
Direction
Meaning
Direction
Meaning
Direction
Meaning
Direction
Meaning
progress.
North-
East-
NNE
NE
Northeast
ENE
North
N
•
The barometer automatically takes measurements every two hours (starting
northeast
northeast
from midnight), regardless of what mode you are in. The results of these
East-
South-
SSE
ESE
SE
Southeast
East
E
measurements are used for the barometric pressure graph.
southeast
southeast
•
You can also perform a barometric pressure and temperature measurement
South-
West-
SSW
SW
Southwest
WSW
South
S
at any time by pressing C in the Barometer/Thermometer Mode.
southwest
southwest
West-
North-
WNW
NW
Northwest
NNW
West
W
northwest
northwest
Barometer and Thermometer Precautions
•
The pressure sensor built into this watch measures changes in air
•
See ŇDigital Compass Precautions” for other important information about
pressure, which you can then apply to your own weather predictions. It is
taking direction readings.
not intended for use as a precision instrument in official weather prediction
or reporting applications.
Barometer/Thermometer
•
Sudden temperature changes can affect pressure sensor readings.
•
Temperature measurements are affected by your body temperature (while
This watch uses a pressure sensor to measure air pressure (barometric
you are wearing the watch), direct sunlight, and moisture. To achieve a
pressure) and a temperature sensor to measure temperature.
more accurate temperature measurement, remove the watch from your
•
You can calibrate the temperature sensor and the pressure sensor if you
wrist, place it in a well ventilated location out of direct sunlight, and wipe off
suspect that readings are incorrect.
all moisture from the case. It takes approximately 20 to 30 minutes for the
case of the watch to reach the actual surrounding temperature.
To take Barometric Pressure and Temperature Readings
•
You can change the measured barometric pressure unit between hecto-
Pressing C in the Timekeeping Mode or in any
Barometric pressure graph
pascals/millibars (hPa/mb) and inchesHg (inHg). See ŇChanging the
of the other sensor modes enters the Barometer/
(unit: 1hPa (mb)/0.05 inHg)
Barometric Pressure and Temperature Units” for details.
Thermometer Mode. The watch automatically
•
You can change the measured temperature value displayed by this watch
starts barometric pressure and temperature
between Celsius (
°
C) and Fahrenheit (
°
F). See ŇChanging the Barometric
measurement, and displays the results.
Pressure and Temperature Units”.
•
Barometric pressure is displayed in units of
1hPa/mb (or 0.05 inHg).
Altimeter
•
Temperature is displayed in units of 0.1
°
C (or
0.2
°
F).
A built-in altimeter uses a pressure sensor to detect the current air pressure,
Temperature
which is then used to estimate the current altitude. The watch is pre-
Barometric pressure
programmed with ISA (International Standard Atmosphere) preset values,
•
The displayed barometric pressure value changes to
hPa/mb (or
which are used to convert air pressure readings to altitude values. If you
xxxx
inHg) if a measured barometric pressure falls outside the range of 260 hPa/
preset a reference altitude, the watch will also calculate the current relative
mb to 1100 hPa/mb (7.65 inHg to 32.45 inHg). The barometric pressure
altitude based on your preset value. Altimeter functions also include data
value will be displayed again as soon as the measured barometric pressure
storage memory and an altitude alarm.
is within the allowable range.
.
°
C (or
°
F) if a
•
The displayed temperature value changes to
Important!
xx x
measured temperature falls outside the range of –10.0
°
C to 60.0
°
C (14.0
°
F
•
This watch estimates altitude based on air pressure. This means that
to 140.0
°
F). The temperature value will be displayed again as soon as the
altitude readings for the same location may vary if air pressure changes.
measured temperature is within the allowable range.
•
This watch employs a semiconductor pressure sensor, which is affected by
•
Some countries refer to the barometric pressure unit hecto-pascal (hPa) as
temperature changes. When taking altitude measurements, be sure to do
millibars (mb). It really makes no difference, because 1hPa = 1mb. In this
so while ensuring that the watch is not exposed to temperature changes.
manual, we use hPa/mb or hPa (mb).
•
To avoid the effect of sudden temperature changes on measurement, wear
•
See ŇAbout Barometric and Temperature Measurements” for important
the watch so it is in direct contact with your wrist during measurement.
precautions.
•
Do not rely upon this watch for altitude measurements or perform button
operations while engaging in sports where there are sudden altitude
Barometric Pressure Graph
changes, while sky diving, hang gliding, or paragliding, or while riding a
Barometric pressure indicates changes in the atmosphere. By monitoring
gyrocopter, glider, or any other aircraft.
these changes you can predict the weather with reasonable accuracy. The
•
Do not use this watch for measuring altitude in applications that demand
barometric pressure graph shows the barometric readings for the past 26
professional or industrial level precision.
hours. The flashing point on the right of the display is the point for the newest
•
Remember that the air inside of a commercial aircraft is pressurized.
measurement. Note that pressure graph readings are relative to the newest
Because of this, the readings produced by this watch will not match the
measurement point. One dot above the newest point is plus 1hPa(mb)/
altitude readings announced or indicated the flight crew.
0.05 inHg, while one dot below is minus 1hPa(mb)/0.05 inHg. The following
shows how to interpret the data that appears on the barometric pressure
How the Altimeter Works
graph.
With the Preset Values (No Reference Altitude)
•
The watch measures the air pressure at your current location and uses the
built-in ISA values to convert it to the equivalent altitude.
A rising graph generally means improving weather.
A falling graph generally means deteriorating weather.
2
USER’S GUIDE 2471
•
Starting a new measurement automatically clears relative altitude,
With a Reference Altitude
measurement time, maximum altitude, and total ascent values currently in
•
If you set a reference altitude, the watch
memory.
uses that value when calculating altitude
•
Starting a new measurement does not clear cumulative total ascent. This
based on air pressure.
value continues to increase until it reaches 99,995 meters (327,983 feet).
•
To determine the height of a tall building,
After that, it reverts to 0 and starts again.
set the reference altitude to 0 on the
•
The interval between memory measurements depends on whether the
ground floor. Note, however, that you may
Short Mode or the Long Mode is selected.
not be able to get a good reading if the
Short Mode: 5-minute interval
building is pressurized or air-conditioned.
Long Mode: 15-minute interval
•
When mountain climbing, you can set the
B
•
Relative altitude, cumulative total ascent, and maximum altitude data is
reference value in accordance with a
calculated at regular intervals, depending on the Long Mode/Short Mode
marker along the way or altitude
A
setting. In both modes, calculations are performed every five seconds for the
information from a map. After you do this,
400
first three minutes. After that, calculations are performed every minute in the
the altitude readings produced by the
Short Mode and every two minutes in the Long Mode.
watch will be more accurate than they
would without a reference altitude.
To select the Short Mode or Long Mode
To take an altitude reading
1. In the Altimeter Mode, hold down A until the
Pressing E in the Timekeeping Mode or in any of the other sensor modes
display clears. After four or five seconds,
ll l
l
l
enters the Altimeter Mode. The watch automatically starts altitude
l
l
l
l
or the current reference altitude
either OFF
l
l
l
measurement, and displays the results.
l
l
l
value (if set) starts to flash, which indicates
l
l
l
lll
the setting screen.
Altitude graph (current altitude flashing) (unit: 10m/40 ft.)
•
indicates no reference altitude.
OFF
Altitude
•
Note that you will not be able to change the
Short/Long Mode setting if a memory
About one
measurement operation is in progress.
second later
L
2. Press D twice.
•
This causes either 0:05 (Short Mode) or
l l
l
l l
l
l
l
l
l
0:15 (Long Mode) to appear, which
l
l
l
l
l
l
l
l
ll
indicates the current mode setting.
l
Timekeeping Mode time
3. Each press of E toggles between the Short
Mode and Long Mode.
•
See ŇAbout Altitude Measurements” for important information.
4. Press A to exit the setting screen.
•
Altitude is displayed in units of 5 meters (20 feet).
•
The measurement range for altitude is –700 to 10,000 meters (–2,300 to
To perform memory measurement
32,800 feet).
•
The measured altitude may be a negative value in cases where there is a
Hold down E for about one second until REC
reference altitude value set or because of certain atmospheric conditions.
flashes, which indicates that memory
meters (or feet) if a
•
The displayed altitude value changes to xxxxx
measurement has started.
measured altitude falls outside the measurement range. The altitude value
•
Memory measurement stops automatically
will be displayed again as soon as the measured altitude is within the
after there are 41 records accumulated in
l l
l
l
allowable range.
memory. When you want to stop a memory
l
l
l
l
l
l
•
You can change the unit of measurement for the displayed altitude values
l
l
measurement operation manually, hold down
l
l
l
l
between meters (m) and feet (ft). See ŇTo change the Altitude Units”.
E for about one second until REC disappears.
•
While a memory measurement operation is in progress, press A to toggle
About Altitude Measurements
between the Standard Altitude screen and the Relative Altitude screen.
There are two types of altitude measurements: those for displayed data
(Altimeter Mode measurements) and those for memory data (Memory
Standard Altitude
Relative Altitude
measurements).
Screen
Screen
Relative altitude
Altimeter Mode measurement
You can perform Altimeter Mode measurements in the Altimeter Mode only,
Press A.
L
Altitude
and an altimeter measurement operation starts whenever you enter the
L
Altimeter Mode.
During the first three minutes after entering the Altimeter Mode, ALTI flashes
on the display and measurements are taken every five seconds. After that,
REL indicator
Timekeeping Mode time
Measurement time
the interval between measurements depends on whether you are using the
Note
Short Mode (1-minute intervals) or the Long Mode (2-minute intervals).
•
REC flashes on the display while a memory measurement operation is in
•
Long Mode is the default setting. See ŇMemory measurement” for
progress.
information about the Short Mode and Long Mode.
•
Starting the memory measurement operation deletes any altimeter data
•
If you do not perform any operation while in the Altimeter Mode, the watch
(except for cumulative total ascent data) currently in memory (and its graph)
automatically returns to the Timekeeping Mode after four or five hours in
and replaces it with the new data. Note that you cannot delete memory
the Short Mode, or after nine or 10 hours in the Long Mode.
contents manually.
Memory measurement
•
You can recall data in memory using the Data Recall Mode.
The memory measurement operation stores the following data in watch
Setting a Reference Altitude
memory. Note that each time you perform a memory measurement operation,
it creates a new set of records, replacing the set of records currently in
After you set a reference altitude, the watch adjusts its air-pressure-to-altitude
memory. Memory measurement continues to be performed (indicated by the
conversion calculation accordingly. The altitude measurements produced by
REC indicator flashing on the display) even if you change to another mode.
this watch are subject to error caused by changes in air pressure. Because of
Measurement start time, date, and altitude: 1 record
this, we recommend that you update the reference altitude whenever one is
Automatic altitude readings and time, at fixed interval: Up to 39 records
available during your climb.
Measurement end time, date, and altitude: 1 record
To set a reference altitude
The watch also calculates the following values using measured data and
1. In the Altimeter Mode, hold down A until the
maintains one record for each in memory.
display clears. After four or five seconds,
Relative altitude (altitude difference between start point and current altitude or
or the current reference altitude
either OFF
measurement end altitude)
ll l
l
l
l
l
l
l
value (if set) starts to flash, which indicates
l
l
Measurement time
l
l
l
l
l