Module No. 2273
2273-1
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 read this manual carefully 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
Warning!
the ŇREFERENCE” section.
•
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.
(Light)
•
When using this watch to take readings while boating or engaging in
any other activity during which losing your way can create a dangerous
or life-threatening situation, always be sure to use a second compass to
confirm direction readings.
•
The longitude, lunitidal interval, Moon phase indicator, and tide graph
data that appears on the display of this watch is not intended for
navigation purposes. Always use proper instruments and resources to
obtain data for navigation purposes.
•
This watch is not an instrument for calculating low tide and high tide
times. The Tide Graph of this watch is intended to provide a reasonable
approximation of tidal movements only.
•
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
•
If the digital display of your watch is continuously changing, see
•
Press B to enter the Digital Compass Mode or C to enter the Barometer/
ŇAuto Display Function” for information on how to stop it.
Thermometer Mode from the Timekeeping Mode or Countdown Timer/
•
The illustration below shows which buttons you need to press to navigate
Stopwatch Mode. To get to a sensor mode from the Moon/Tide or Alarm
between modes.
Mode, you must go to the Timekeeping Mode first.
Sensor Mode
Timekeeping Mode
Digital Compass Mode
Press B or C.
L
L
L
Press D.
Press D.
L
L
Countdown Timer/Stopwatch Mode
D
Press B.
Press C.
L
Press B or C.
L
Barometer/
L
Thermometer Mode
Press D.
D
L
Alarm Mode
Moon/Tide Mode
L
D
TIMEKEEPING
•
Having the batteries replaced causes the Timekeeping Mode’s time/date
In addition to normal timekeeping, use the
Moon phase indicator
and city data settings to revert to their initial factory default settings. Use
Timekeeping Mode to set the current time and
the following procedure to set the current time and date, and to make city
date.
Day of week
data settings.
•
The Moon phase indicator shows the
Tide graph
current Moon phase.
To reset the seconds count to zero
•
The tide graph shows the current tidal
movements.
1. In the Timekeeping Mode, hold down A until the second’s digits start to
flash, which indicates the setting screen.
Important!
.
2. Press E to reset the seconds count to 00
•
The watch cannot produce correct Moon
•
Pressing E while the seconds count is in the range of 30 to 59 resets
phase or tide graph data unless the
and add 1 to the minutes. In the range of 00 to 29,
the seconds to 00
Timekeeping Mode current time and date
the minutes count is unchanged.
settings, as well as city data settings (GMT
3. Press A twice to exit the setting screen.
differential, longitudes, and lunitidal interval)
Seconds
are all correct.
Hour : Minutes
Year  Month – Day
PM indicator
2273-2
To set the time and date
To take a direction reading
1. In the Timekeeping Mode, hold down A
1. Enter the Digital Compass Mode.
12 o’clock position
until the second’s digits start to flash, which
2. Place the watch on a flat surface or (if you
Magnetic
indicates the setting screen.
are wearing the watch) make sure that your
North Pointer
Direction
•
While the second’s digits are flashing,
wrist is horizontal (in relation to the
press E to reset the seconds count to
horizon).
.
3. Point the 12 o’clock position of the watch in
00
2. Press D to move the flashing in the
the direction you want to determine.
sequence shown below to select other
4. Press B to start a Digital Compass
settings.
reading operation.
•
After about two seconds, the direction
that the 12 o’clock position of the watch
12/24-Hour
is pointing appears on the display.
Minutes
Seconds
Hour
Format
•
Also, four pointers appear to indicate
magnetic north, south, east, and west.
Timekeeping Mode time
•
Direction reading continues for the
Day
Month
Year
amount of time that is currently
Direction value (in degrees)
specified for the continuous reading
3. While the hour, minutes, year, month, or day setting is flashing, use E (+)
N
NW
time.
N
W
W
N
W
and B (–) to change it.
0
°
N
•
The COMP indicator flashes on the
W
•
When the 12/24-hour setting is flashing, press E to toggle between
N
display while a reading is in progress.
N
W
S
) and 24-hour (
) timekeeping.
12-hour (
E
•
The direction value that appears on the
W
N
4. Press A twice to exit the setting screen.
E
display represents the clockwise angle
W
S
E
formed between magnetic north (which
N
W
E
S
is 0 degrees) and the displayed
Configuring City Data Settings
S
E
S
direction.
E
E
S
S
E
The Moon phase and tide graph information displayed by this watch differ
S
SE
according to your geographic location. Before using this watch to produce
such information, be sure to make the proper city data settings to specify your
Note
current location.
•
Note that taking a measurement while the watch is not horizontal (in
•
The lunitidal interval is the time elapsing between the Moon’s transit over
relation to the horizon) can result in large measurement error.
the meridian and the next high tide. See ŇLunitidal Interval” for more
•
Pressing B while in the Digital Compass Mode starts a new direction
information.
measurement operation.
•
This watch displays lunitidal intervals in term of hours and minutes.
•
The following table shows the meanings of each of the direction
•
GMT differential is the difference between the time in the displayed time
abbreviations that appear on the display.
and Greenwich Mean Time (GMT).
Direction
Meaning
Direction
Meaning
Direction
Meaning
Direction
Meaning
To configure city data settings
North-
East-
Northeast
North
northeast
northeast
1. In the Timekeeping Mode, hold down A
East-
South-
until the second’s digits starts to flash,
Southeast
East
southeast
southeast
which indicates the setting screen.
South-
West-
2. Press A again to display the city data
Southwest
South
southwest
southwest
setting screen, with the GMT differential
West-
North-
flashing.
Northwest
West
northwest
northwest
•
Press D to move the flashing in the
sequence shown below to select other
•
You can adjust the rotary direction bezel so
settings.
Direction bezel
GMT Differential
” (or ŇN”) is aligned with the
that the Ň
Lunitidal Interval
magnetic north pointer. This correctly aligns
all of the markings on the bezel.
GMT
Hours
Minutes
Longitude
•
The Digital Compass operation is
Differential
momentarily interrupted while an alarm
(Daily Alarm or Hourly Time Signal) or beep
(progress or time up beeper) is sounding, or
3. Use E (+) and B (–) to change the setting of the currently selected
while the backlight is turned on by the Auto
(flashing) item.
Light Switch. If this happens, start the
•
The ŇCITY DATA LIST” provides city data information for a number of
Digital Compass operation again from the
GMT differentials, longitudes, and lunitidal intervals around the world.
beginning.
•
You can change the GMT differential setting in units of 0.5 (half an
•
See ŇDigital Compass Precautions” for other
hour).
important information about taking direction
•
Longitude can be specified in the range of 179
°
W to 180
°
E, in 1-degree
readings.
steps.
4. Press A to exit the setting screen.
Making Digital Compass Settings
You can set up the watch so it takes continuous direction readings for an
DIGITAL COMPASS
amount of time specified by you.
To configure the Digital Compass Mode
A built-in bearing sensor detects magnetic north and indicates one of 16
1. In the Digital Compass Mode, hold down
directions on the display. Direction readings are performed in the Digital
A until the upper display area shows
Compass Mode.
, which indicates the setting screen.
•
You can calibrate the bearing sensor if you suspect the direction reading is
2. Press D twice to display the continuous
incorrect.
reading time setting screen.
3. While the continuous reading time digits
To enter and exit the Digital Compass Mode
are selected (flashing), use E (+) and B
While in the Timekeeping, Barometer/Thermometer, or Countdown Timer/
(–) to change the setting in increments of
Stopwatch Mode, press B to enter the Digital Compass Mode.
10 seconds.
•
At this time, the watch immediately starts a Digital Compass operation.
•
You can specify a continuous reading
After about two seconds, letters appear on the display to indicate the
time in the range of 0'00'' to 1'00''.
direction that the 12 o’clock position of the watch is pointing.
Setting 0'00'' causes digital compass
•
Press D to return to the Timekeeping Mode.
operation to stop after a single reading.
4. Press A to exit the setting screen.
2273-3
BAROMETER/THERMOMETER
COUNTDOWN TIMER
This watch uses a pressure sensor to measure air pressure (barometric
With the countdown timer, you can set a start time in the range of 1 to 60
pressure) and a temperature sensor to measure a temperature.
minutes, and countdown the time to zero. A beeper sounds each second of
•
You can calibrate the temperature sensor and the pressure sensor if you
the final 10 seconds of a countdown, and you can also turn on a progress
suspect that readings are incorrect.
beeper that beeps at various times during a countdown. All of this makes the
countdown timer a valuable tool for timing the start of a yacht race.
•
The countdown timer also can be used as a stopwatch to measure elapsed
Understanding the Barometer/Thermometer Screen
time, split time, and two finishes. See ŇSTOPWATCH” for more
information.
Press C to enter the Barometer/Thermometer
Barometric pressure graph
•
All the operations in this section are performed in the Countdown Timer/
Mode.
(unit: 1hPa (mb)/0.05inHg)
Stopwatch Mode, which you can enter by pressing D.
•
Barometric pressure is displayed in units of
1hPa/mb (or 0.05inHg).
•
Temperature is displayed in units of 0.1
°
C
Configuring the Countdown Timer
(or 0.2
°
F).
You need to make the settings listed below before actually using the
•
The displayed barometric pressure value
hPa/mb (or inHg) if a
Countdown Timer for timing.
changes to xxxx
measured barometric pressure falls outside
•
Countdown start time and reset time
the range of 260hPa/mb to 1100hPa/mb
•
Auto repeat/repeat, progress beeper on/off
(7.65inHg to 32.45inHg). The barometric
•
Graphic on/off
pressure value will be displayed again as
Temperature
Reset time
soon as the measured barometric pressure
Barometric pressure
is within the allowable range.
You can set a Ňreset time,” which is a kind of alternate countdown start time
you can recall with the press of a button any time a countdown operation is in
.
°
C (or
°
F) if a
•
The displayed temperature value changes to xx  x
progress. After recalling the reset time, you can press E to restart the
measured temperature falls outside the range of –10.0
°
C to 60.0
°
C (14.0
°
F
countdown operation from the recalled reset time.
to 140.0
°
F). The temperature value will be displayed again as soon as the
measured temperature is within the allowable range.
Auto Repeat and Repeat
•
Some countries refer to the barometric pressure unit hecto-pascal (hPa) as
millibars (mb). It really makes no difference, because 1hPa = 1mb. In this
The countdown timer gives you a choice of two different repeat modes: auto
manual, we use hPa/mb or hPa (mb).
repeat and repeat.
Barometric Pressure Graph
Auto Repeat
When auto repeat is turned on, the countdown automatically restarts from the
Barometric pressure indicates changes in the atmosphere. By monitoring
countdown start time whenever it reaches zero.
these changes you can predict the weather with reasonable accuracy. The
barometric pressure graph shows the barometric readings for the past 26
Note
hours. The flashing point on the right of the display is the point for the newest
•
Even if you start a countdown operation from the reset time, the countdown
measurement. Note that pressure graph readings are relative to the newest
automatically restarts from the countdown start time whenever it reaches zero.
measurement point. One dot above the newest point is plus 1hPa(mb)/
•
Auto repeat timing repeats 100 times or until you press E to stop the
0.05inHg, while one dot below is minus 1hPa(mb)/0.05inHg. The following
countdown.
shows how to interpret the data that appears on the barometric pressure
•
Auto repeat timing is best when timing the starts of match races.
graph.
Repeat Timing
A rising graph generally means improving weather.
When repeat timing is turned on, the watch automatically switches to the
Stopwatch Mode and starts stopwatch timing when the end of the countdown
is reached.
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
L
off the top or bottom of the display. The entire graph will
become visible once barometric conditions stabilize.
Not visible on
The following conditions cause the barometric pressure
the display.
measurement to be skipped, with the corresponding point on
the barometric pressure graph being left blank.
•
Barometric reading that is out of range (260hPa/mb to 1100hPa/mb or
Countdown Timer Mode
Stopwatch Mode
7.65inHg to 32.45inHg)
Note
•
Sensor malfunction
Repeat timing is best when timing the speed of yachts during ocean races.
•
Dead batteries
To set the countdown start time and reset time
About Barometric and Temperature Measurements
1. While in the Countdown Timer/Stopwatch
Countdown start time
Mode, hold down A until the time setting
•
Barometric pressure and temperature measurement operations are
setting indicator
starts to flash, which indicates the setting
performed as soon as you enter the Barometer/Thermometer Mode. After
screen.
that, temperature measurements are taken every five seconds for the first
indicator to
•
This causes the
three minutes, and then taken every five minutes thereafter.
appear on the display.
•
The BARO indicator flashes on the display while a measurement is in
2. While the countdown start time setting is
progress.
flashing, use E (+) and B (–) to change
•
The barometer automatically takes measurements every two hours
it in one-minute increments.
(starting from midnight), regardless of what mode you are in. The results of
•
You must set a countdown start time in
these measurements are used for the barometric pressure graph.
the range of 1'00" to 60'00".
•
You can also perform a barometric pressure and temperature
Timekeeping
3. Press D to display the reset time setting
measurement at any time by pressing C in the Barometer/Thermometer
Mode time
screen.
Mode.
•
The indicator in the upper display area
to
to
changes from
Barometer and Thermometer Precautions
indicate the reset time setting screen.
•
The pressure sensor built into this watch measures changes in air
4. While the reset time is flashing, use E (+) and B (–) to change it in one-
pressure, which you can then apply to your own weather predictions. It is
minute increments.
not intended for use as a precision instrument in official weather prediction
•
You can set a reset time in the range of 1'00" to 5'00".
or reporting applications.
5. After making the setting you want, press A to exit the setting screen.
•
Sudden temperature changes can affect pressure sensor readings.
•
Temperature measurements are affected by your body temperature (while
Important!
you are wearing the watch), direct sunlight, and moisture. To achieve a
The reset time setting must be less than the countdown start time setting.
more accurate temperature measurement, remove the watch from your
wrist, place it in a well ventilated location out of direct sunlight, and wipe off
all moisture from the case. It takes approximately 20 to 30 minutes for the
case of the watch to reach the actual surrounding temperature.
•
You can change the measured barometric pressure unit between hecto-
pascals/millibars (hPa/mb) and inchesHg (inHg). See ŇChanging the
Barometric Pressure and Temperature Units” for details.
•
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”.
2273-4
Countdown Mode Beeper Operations
Countdown/Stopwatch Graphics
The watch beeps at various times during a countdown to keep you informed
Graphic indicators move in a counter-clockwise direction during countdown
about the countdown status without looking at the display. The following
timer operation and clockwise during stopwatch operation.
describes the types of beeper operations the watch performs during a
•
The zero point for both the minute’s indicator and the second’s indicator is
countdown.
the 12 o’clock position.
•
The factory default setting is graphics turned off.
Countdown End Beeper
Countdown Graphics
The watch beeps each second of the final 10 seconds before a countdown
reaches zero, and at zero. The first five beeps (seconds 10 through 6) are
•
During a countdown operation, the graphic
Second’s indicator
higher pitched than the final five beeps (seconds 5 through 1). The watch
indicators move counter-clockwise.
emits a longer beep to signal when the countdown reaches zero.
•
One revolution of the second’s indicator
represents 10 seconds.
Note
•
The minute’s indicator appears when the
The countdown end beeper always sounds, regardless of the on/off status of
countdown time is 10 minutes or less. The
the progress beeper.
minute’s indicator advances one step with
each full revolution of the second’s
Progress Beeper
indicator. One revolution of the minute’s
indicator represents 10 minutes.
reset time
The term Ňprogress beeper” actually includes two beepers: a
reset period progress beeper
beeper and a
.
Minute’s indicator
Note
Stopwatch Graphics
The reset time beeper and reset period progress beeper sound only while the
progress beeper is turned on.
•
During a stopwatch elapsed time operation,
Second’s indicator
the graphic indicators move clockwise.
•
Reset Time Beeper
•
One revolution of the second’s indicator
The reset time beeper is similar to the countdown end beeper. When the
represents 10 seconds.
progress beeper is turned on, the watch beeps each second of the final 10
•
The minute’s indicator advances one step
seconds before the countdown reaches the reset time.
with each full revolution of the second’s
indicator. One revolution of the minute’s
•
Reset Period Progress Beeper
indicator represents 10 minutes.
reset period is the portion of the countdown between the reset time and
The
zero. When the progress beeper is turned on, the watch emits fours short
beeps at the top of each minute during the reset period.
Example 1
Minute’s indicator
Countdown Start Time: 10'00"
To turn timer graphics on and off
Reset Time: 5'00"
Progress Beeper: On
1. In the Countdown Timer/Stopwatch Mode,
Reset Period
hold down A until the time setting starts to
Reset Period Progress Beeper
flash, which indicates the setting screen.
Start Time
Reset time
2. Display the graphics on/off screen.
•
If you started from the Countdown Timer
0'00"
1'00"
2'00"
3'00"
4'00"
5'00"
10'00"
Mode, press D three times.
Countdown End Beeper
Reset Time Beeper
•
If you started from the Stopwatch Mode,
Example 2
press D once.
Countdown Start Time: 10'00"
3. Press E to toggle the graphic display on
Reset Time: 5'00"
displayed) and off  (
displayed).
(ON
OFF
Progress Beeper: Off
4. After making the setting you want, press
A to exit the setting screen.
Start Time
Reset time
0'00"
5'00"
10'00"
Using Countdown Timer
Countdown End Beeper
The following procedure is explained assuming the countdown timer is
configured with the following sample settings.
To turn auto repeat/repeat and the progress beeper on and off
Progress beeper: On