Module No. 2271
2271-1
GETTING ACQUAINTED
About This Manual
•
Button operations are indicated using the
Congratulations upon your selection of this CASIO watch. To get the most out
letters shown in the illustration.
of your purchase, be sure to carefully read this manual and keep it on hand
•
Each section of this manual provides you
for later reference when necessary.
with the information you need to perform
operations in each mode. Further details
and technical information can be found in
Applications
the ŇREFERENCE” section.
The built-in sensors of this watch measure direction, altitude, barometric
pressure, and temperature. 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.
(Light)
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.
•
When engaging in mountain climbing or other activities in which losing
your way can create a dangerous or life-threatening situation, always
be sure to use a second compass to confirm direction readings.
•
CASIO COMPUTER CO., LTD. assumes no responsibility for any loss,
or any claims by third parties that may arise through the use of this
watch.
GENERAL GUIDE
•
In any mode, hold down D for about one second to return to the
Timekeeping Mode.
•
You can use buttons B, C, and E to directly enter a sensor mode from
•
If the digital display of your watch is continuously changing, see
the Timekeeping Mode or from another sensor mode. To get to a sensor
ŇAuto Display Function” for information on how to stop it.
mode from the Recall, Alarm, or Stopwatch Mode, you must go to the
•
The illustration below shows which buttons you need to press to navigate
Timekeeping Mode first.
between modes.
Sensor Modes
Recall Mode
Digital Compass Mode
Press D.
Press B.
L
L
D
L
D
Timekeeping Mode
L
Barometer/
Alarm Mode
Thermometer Mode
C
L
L
D
D
L
L
L
Altimeter Mode
Stopwatch Mode
E
L
D
D
TIMEKEEPING
To set the time and date
1. In the Timekeeping Mode, hold down A
until the second digits start to flash, which
Use the Timekeeping Mode to set and view
PM indicator
Seconds
indicates the setting screen.
the current time and date.
2. Press D to move the flashing in the
Day of week
sequence shown below to select other
To reset the seconds count to zero
settings.
1. In the Timekeeping Mode, hold down A
until the second digits start to flash, which
indicates the setting screen.
12/24-Hour
.
2. Press E to reset the seconds count to
Minutes
Seconds
00
Hour
Format
•
Pressing E while the seconds count is
in the range of 30 to 59 resets the
Year
and adds 1 to the
seconds to 00
Day
Month
Year
minutes. In the range of 00 to 29, the
Hour : Minutes
minutes count is unchanged.
3. While a setting is flashing, use E (+) and B (–) to change it.
Month – Day
3. Press A to exit the setting screen.
•
When the 12/24-hour setting is selected, press E or B to toggle
) and 24-hour (
) timekeeping.
between 12-hour (12H
24H
4. Press A to exit the setting screen.
2271-2
DIGITAL COMPASS
Understanding the Barometer/Thermometer Screen
Press C to enter the Barometer/Thermometer
Barometric pressure graph
A built-in bearing sensor detects magnetic north and indicates one of 16
Mode.
(unit: 1hPa (mb)/0.05 inHg)
directions on the display. Direction readings are performed in the Digital
•
Barometric pressure is displayed in units of
Compass Mode.
1hPa/mb (or 0.05inHg).
•
You can calibrate the bearing sensor if you suspect the direction reading is
•
Temperature is displayed in units of 0.1
°
C
incorrect.
(or 0.2
°
F).
•
The displayed barometric pressure value
To enter and exit the Digital Compass Mode
hPa/mb (or inHg) if a
changes to xxxx
measured barometric pressure falls outside
1. While in the Timekeeping, Barometer/Thermometer, or Altimeter Mode,
the range of 260 hPa/mb to 1100 hPa/mb
press B to enter the Digital Compass Mode.
(7.65 inHg to 32.45 inHg). The barometric
•
At this time, the watch immediately starts a Digital Compass operation.
pressure value will be displayed again as
Temperature
After about two seconds, letters appear on the display to indicate the
soon as the measured barometric pressure
direction that the 12 o’clock position of the watch is pointing.
Barometric pressure
is within the allowable range.
2. Press D to return to the Timekeeping Mode.
.
°
C (or
°
F) if a
•
The displayed temperature value changes to xx  x
To take a direction reading
measured temperature falls outside the range of –10.0
°
C to 60.0
°
C (14.0
°
F
1. Enter the Digital Compass Mode.
to 140.0
°
F). The temperature value will be displayed again as soon as the
Magnetic north pointer
2. Place the watch on a flat surface or (if you
measured temperature is within the allowable range.
12 o’clock position
are wearing the watch), make sure that
•
Some countries refer to the barometric pressure unit hecto-pascal (hPa) as
your wrist is horizontal (in relation to the
Direction
millibars (mb). It really makes no difference, because 1hPa = 1mb. In this
horizon).
manual, we use hPa/mb or hPa (mb).
3. Point the 12 o’clock position of the watch in
the direction you want to measure.
Barometric Pressure Graph
4. Press B to start a Digital Compass
Barometric pressure indicates changes in the atmosphere. By monitoring
measurement operation.
these changes you can predict the weather with reasonable accuracy. The
•
After about two seconds, the direction
barometric pressure graph shows the barometric readings for the past 26
that the 12 o’clock position of the watch
hours. The flashing point on the right of the display is the point for the newest
is pointing appears on the display.
measurement. Note that pressure graph readings are relative to the newest
Timekeeping Mode time
•
Also, four pointers appear to indicate
measurement point. One dot above the newest point is plus 1hPa(mb)/
magnetic north, south, east, and west.
Direction value (in degrees)
0.05inHg, while one dot below is minus 1hPa(mb)/0.05inHg. The following
•
After the first reading is obtained, the
shows how to interpret the data that appears on the barometric pressure
N
NW
watch continues to take direction
N
graph.
W
W
N
W
0
°
N
readings automatically each second, for
W
N
up to 30 seconds.
N
W
S
E
•
The COMP indicator flashes on the
W
A rising graph generally means improving weather.
N
E
W
display while a measurement is in
S
E
progress.
N
W
E
S
•
The direction value that appears on the
S
A falling graph generally means deteriorating weather.
E
S
display represents the clockwise angle
ES
E
E
S
S
SE
formed between magnetic north (which
Note that if there are sudden changes in weather or
is 0 degrees) and the displayed
temperature, the graph line of past measurements may run
direction.
off the top or bottom of the display. The entire graph will
Not visible on
become visible once barometric conditions stabilize.
Note
the display.
The following conditions cause the barometric pressure
•
Note that taking a measurement while the watch is not horizontal (in
measurement to be skipped, with the corresponding point on
relation to the horizon) can result in large measurement error.
the barometric pressure graph being left blank.
•
Pressing B while in the Digital Compass Mode starts a new direction
•
Barometric reading that is out of range (260 hPa/mb to 1100 hPa/mb or
measurement operation.
7.65 inHg to 32.45 inHg)
•
The following table shows the meanings of each of the direction
•
Sensor malfunction
abbreviations that appear on the display.
•
Dead batteries
Direction
Meaning
Direction
Meaning
Direction
Meaning
Direction
Meaning
About Barometric and Temperature Measurements
North-
East-
Northeast
North
NNE
ENE
N
NE
northeast
northeast
•
Barometric pressure and temperature measurement operations are
East-
South-
E
Southeast
East
ESE
SSE
SE
performed as soon as you enter the Barometer/Thermometer Mode. After
southeast
southeast
that, temperature measurements are taken every five seconds for the first
South-
West-
S
Southwest
South
SSW
WSW
SW
three minutes, and then taken every five minutes thereafter.
southwest
southwest
•
The BARO indicator flashes on the display while a measurement is in
West-
North-
Northwest
West
NNW
WNW
W
NW
progress.
northwest
northwest
•
The barometer automatically takes measurements every two hours
(starting from midnight), regardless of what mode you are in. The results of
•
You can adjust the rotary direction bezel so
these measurements are used for the barometric pressure graph.
Direction bezel
that the ŇN” is aligned with the magnetic
•
You can also perform a barometric pressure and temperature
north pointer. This correctly aligns all of the
measurement at any time by pressing C in the Barometer/Thermometer
markings on the bezel.
Mode.
•
The Digital Compass operation is
automatically interrupted whenever an
Barometer and Thermometer Precautions
alarm (Daily Alarm or Hourly Time Signal)
sounds. If this happens, start the Digital
•
The pressure sensor built into this watch measures changes in air
Compass operation again from the
pressure, which you can then apply to your own weather predictions. It is
beginning.
not intended for use as a precision instrument in official weather prediction
•
See ŇDigital Compass Precautions” for other
or reporting applications.
important information about taking direction
•
Sudden temperature changes can affect pressure sensor readings.
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 off
BAROMETER/THERMOMETER
all moisture from the case. It takes approximately 20 to 30 minutes for the
case of the watch to reach the actual surrounding temperature.
This watch uses a pressure sensor to measure air pressure (barometric
•
You can change the measured barometric pressure unit between hecto-
pressure) and a temperature sensor to measure a temperature.
pascals/millibars (hPa/mb) and inchesHg (inHg). See ŇChanging the
•
You can calibrate the temperature sensor and the pressure sensor if you
Barometric Pressure and Temperature Units” for details.
suspect that readings are incorrect.
•
You can change the measured temperature value displayed by this watch
between Celsius (
°
C) and Fahrenheit (
°
F). See ŇChanging the Barometric
Pressure and Temperature Units”.
2271-3
ALTIMETER
Memory measurements
Memory measurements are taken independently of Altimeter Mode
measurements and stored directly into memory (along with the date and time
A built-in altimeter uses a pressure sensor to detect the current air pressure,
of the measurement) for later recall. There are two types of memory
which is then used to estimate the current altitude. The watch is pre-
measurements: ŇAuto measurements” and ŇManual measurements”.
programmed with ISA (International Standard Atmosphere) preset values,
which are used to convert air pressure readings to altitude values. If you
Auto measurements
preset a reference altitude, the watch will also calculate the current relative
With Auto measurement, the watch continuously performs measurements
altitude based on your preset value. Altimeter functions also include data
whenever the minutes in the Timekeeping Mode reach 00, 15, 30, or 45, until
storage memory and an altitude alarm.
you switch Auto measurements off. The watch continues to take
measurements regardless of whether or not you change modes, so you can
Important!
keep a running log of altitude changes automatically.
•
This watch estimates altitude based on air pressure. This means that
altitude readings for the same location may vary if air pressure changes.
Manual measurements
•
This watch employs a semiconductor pressure sensor, which is affected by
You can use the manual procedure to take a reading anytime you want to
temperature changes. When taking altitude measurements, be sure to do
store your current altitude data into memory for later recall. Manual memory
so while ensuring that the watch is not exposed to temperature changes.
measurements can be performed only while the watch is in the Altimeter
•
Do not rely upon this watch for altitude measurements or perform button
Mode.
operations while engaging in sports where there are sudden altitude
changes, while sky diving, hang gliding, or paragliding, or while riding a
gyrocopter, glider, or any other aircraft.
Selecting Auto or Manual Measurement
•
Do not use this watch for measuring altitude in applications that demand
Use the following procedure to switch between Auto or Manual measurement.
professional or industrial level precision.
Note that you cannot perform this operation while a preset Auto measurement
is already in progress.
How the Altimeter Works
To select Auto or Manual measurement
With the Preset Values (No Reference Altitude)
•
The watch measures the air pressure at your current location and uses the
1. In the Altimeter Mode, hold down A until
built-in ISA values to convert it to the equivalent altitude.
the display clears. After four or five
or the current
seconds, either OFF
With a Reference Altitude
reference altitude value (if set) will start to
•
After you set the reference altitude, the watch adjusts its air pressure to
flash, which indicates the setting screen.
altitude conversion calculation accordingly.
2. Press D twice to move the flashing to the
•
To determine the height of a tall building,
memory measurement setting (AUTO or
set the reference altitude to 0 on the
MANUAL).
ground floor. Note, however, that you may
•
Press D to move the flashing in the sequence shown below.
not be able to get a good reading if the
building is pressurized or air-conditioned.
Reference
Altitude
Memory
Altitude
•
When mountain climbing, you can set the
Altitude
Alarm
Measurement
Unit
reference value in accordance with a
B
marker along the way or altitude
3. While the memory measurement setting is flashing, press B or E to
information from a map. After you do this,
select AUTO (Auto measurement) or MANUAL (Manual measurement).
the altitude readings produced by the
A
4. Press A to exit the setting screen.
watch will be more accurate than they
400
•
An indicator on the display shows the type of measurement (AUTO or
would without a reference altitude.
MANUAL) that you currently have selected.
•
Note that the following conditions will
prevent you from obtaining accurate readings:
To use Auto measurement
When air pressure changes because of changes in the weather
Extreme temperature changes
1. Confirm that the AUTO indicator is shown on the display.
When the watch itself is subjected to strong impact
•
If it is not, use the procedure under ŇTo select Auto or Manual
measurement” to select Auto measurement.
2. In the Altimeter Mode, hold down E until the watch emits a short beep,
Understanding the Altimeter Screen
indicating the start of the measurement.
3. To stop measurements at any point in the Altimeter Mode, hold down E
Press E to enter the Altimeter Mode.
again until the watch emits a short beep.
Altitude graph (current altitude flashing) (unit: 10m/40 ft.)
•
The data that is measured when you first start Auto measurement is
also stored into memory.
•
The AUTO indicator flashes on the display when you start Auto
Altitude
1 second later
measurements. The AUTO indicator continues to flash (indicating that
L
measurements continue) even if you change modes.
•
Auto measurement cuts off automatically whenever there are 49
records stored in memory. The 50th record measurement when you
stop measurement in step 3 above is also stored in memory.
•
A final measurement is taken when you turn off Auto measurement,
Timekeeping Mode time
Remaining memory
and that data is also stored into memory. Such data is indicated by
•
Altitude is displayed in units of 5 meters (20 feet).
during the recall operation.
FIN
•
The measurement range for altitude is –700 to 10,000 meters (–2,300 to
32,800 feet).
To use Manual measurement
•
The measured altitude may be a negative value in cases where there is a
1. Confirm that the MANUAL indicator is shown on the display.
reference altitude value set or because of certain atmospheric conditions.
•
If it is not, use the procedure under ŇTo select Auto or Manual
meters (or feet) if a
•
The displayed altitude value changes to xxxx
measurement” to select Manual measurement.
measured altitude falls outside the measurement range. The altitude value
2. In the Altimeter Mode, hold down E until the watch emits a short beep,
will be displayed again as soon as the measured altitude is within the
indicating that a measurement is taken.
allowable range.
•
Repeat step 2 whenever you want to take a reading.
•
You can change the unit of measurement for the displayed altitude values
•
Button operation becomes impossible during the four or five seconds
between meters (m) and feet (ft). See ŇTo change the Altitude Units”.
that it takes to complete a measurement. Normal operation will return
once the operation is finished.
About Altitude Measurements
There are two types of altitude measurements: those for displayed data
Setting a Reference Altitude
(Altimeter Mode measurements) and those for memory data (Memory
After you set a reference altitude, the watch adjusts its air-pressure-to-altitude
measurements).
conversion calculation accordingly. The altitude measurements produced by
this watch are subject to error caused by changes in air pressure. Because of
Altimeter Mode measurement
this, we recommend that you update the reference altitude whenever one is
This type of measurement is performed only when the watch is in the
available during your climb.
Altimeter Mode. As soon as you enter the Altimeter Mode, measurements are
taken every five seconds for the first three minutes. After that, measurements
are taken every two minutes.
•
The ALTI indicator flashes on the display while a measurement is in progress.
2271-4
To set a reference altitude
Auto Measurement Records
•
Performing an Auto measurement produces a set of records of all the
1. In the Altimeter Mode, hold down A until
measurements taken during the Auto measurement session. Since Auto
the display clears. After four or five
measurement produces four altitude readings per hour (at 00, 15, 30, and
or the current
seconds, either OFF
45 minutes of each hour) leaving Auto measurement turned on for two
reference altitude value (if set) will start to
hours would result in a set of eight records.
flash, which indicates the setting screen.
•
The following shows how the records that make up an Auto measurement
•
indicates no reference altitude.
OFF
set appear when you recall them.
2. Press E to increase the current reference
altitude value by 5 meters (or 20 feet) or B
AUTO indicator
Altitude graph
to decrease it.
L
L
L
L
•
You can set the reference altitude within the range of –10,000 to 10,000
meters (–32,800 to 32,800 feet).
, so the watch
•
Pressing E and B at the same returns to OFF
L
L
L
L
performs air pressure to altitude conversions based on preset data
only.
First record
All records between the initial
Final record
3. Press A to exit the setting screen.
of the set
screen and final screen
of the set
About the Altitude Alarm
•
The altitude graph separates the maximum and minimum altitude readings
by nine display dots. Other readings are shown relative to the maximum
The altitude alarm sounds for about five seconds whenever the current
and minimum.
altitude matches a preset value. You can press any button to stop the alarm
•
Note that Auto measurement records are always treated as a set. This
after it starts to sound.
means that deleting one record in a set deletes the entire set.
Example
Manual Measurement Records
If you set the altitude alarm at 130 meters, it sounds when you pass the 130-
•
Performing a Manual measurement produces a single record. The
meter mark on your way up and on your way back down.
ilustration below shows how a Manual measurement record appears when
you recall it.
To set the altitude alarm
MANUAL indicator
1. In the Altimeter Mode, hold down A until
the display clears. After four or five
or the current
seconds, either OFF
L
L
L
reference altitude value (if set) will start to
flash, which indicates the setting screen.
2. Press D once to move the flashing to the
L
L
L
altitude alarm setting.
•
Press D to move the flashing in the
sequence shown below.
and
Records
MIN
MAX
Reference
Altitude
Memory
Altitude
record shows the lowest altitude reading from among those
•
The MIN
Altitude
Alarm
Measurement