Casio QW-1471 User Manual
2. OPERATION CHART: QW-1471
GENERAL GUIDE
• Press C to change from mode to mode. Hold down C for one or two
seconds in any mode to switch back to the Timekeeping Mode.
• In addition to the modes illustrated below, this watch is also equipped
with a Digital Compass Mode. See “Digital Compass Functions” for
details.
Timekeeping Mode
(Timekeeping Display)
A
C
Bearing sensor
N
W
N
W
P
W
S
S
E
B
N
E
E
A S
S
E
D
Pressure sensor
Press D .
(Barometric Pressure/
Temperature Display)
hPa mb
C
P
A S
Stopwatch Mode
A S
▼
▼
Alarm Mode
A
▼
Altimeter Mode
AUTO
P
m
C
A S
ALTI
BACKLIGHT
This watch features an electroluminescent
A
P
C
Notes
• The backlight of the watch employs an electroluminescent (EL) light,
which loses illuminating power after very long use.
• Frequent use of the backlight shortens the battery life.
• The illumination provided by the backlight may be hard to see when
viewed under direct sunlight.
• The watch will emit an audible sound whenever the display is illuminated.
This is caused by a transistor that vibrates when the EL panel lights up. It
does not indicate malfunction of the watch.
• The backlight automatically turns off whenever an alarm sounds.
To manually turn on the backlight
In any mode, press E to illuminate the display for about two seconds.
B
(EL) backlight that helps you easily read the
face, even in total darkness. Its Auto
Backlight function automatically lights the
watch face whenever you turn your wrist
A S
towards your face.
D
E
▼
Data Recall Mode
AUTO
▼
• In order to protect against running down the battery, the auto backlight
function is automatically turned off approximately three hours after you
turn it on. Repeat the above procedure to turn the auto backlight function
back on if you want.
• Pressing E in any mode illuminates the display for about two seconds,
regardless of the auto backlight function on/off setting.
About the Auto Backlight function
While the Auto Backlight function is turned on, the backlight automatically
lights for about two seconds in any mode whenever you position your wrist
as described below.
Important!
Avoid wearing the watch on the inside of your wrist. Doing so causes the
Auto Backlight to operate when it is not needed, which shortens battery life.
Moving the watch to a position that is parallel to the ground and then tilting
it towards you more than 40 degrees causes the backlight to illuminate.
Parallel to
ground
m
C
A S
RECALL
More
than 40
°
To switch the auto backlight function on and off
In the Timekeeping Mode, hold down D for one or two seconds to turn the
auto backlight function on and off.
Auto backlight
indicator
P
A S
ON OFF
• The auto backlight indicator is shown on the display in all modes while
the auto backlight function is on.
P
A S
— 3 —
• The backlight may not illuminate if the face of the watch is more than 15
degrees off parallel to the left or right. Make sure that the back of your
hand is parallel to the ground.
Parallel to ground
• Static electricity or magnetic force can interfere with proper operation of
the auto backlight function. If the auto backlight does not illuminate, try
moving the watch back to the starting position (parallel with the ground)
and then tilt it back toward you 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.
More than 15 degrees
too high
More than 15 degrees
too low
• Under certain conditions the backlight may not light until about one
second or less after turn the face of the watch towards you. This does not
necessarily indicate malfunction of the backlight.
Warning!
• Never try to read your watch when mountain climbing or hiking in
areas that are dark or in areas with poor footing. Doing so is
dangerous and can result in serious personal injury.
• Never try to read your watch when running on a roadside or in any
other location where there might be vehicular or pedestrian traffic.
Doing so is dangerous and can result in serious personal injury.
• Never try to read your watch when riding on a bicycle or when
operating a motorcycle or any other motor vehicle. Doing so is
dangerous and can result in a traffic accident and serious personal
injury.
• When you are wearing the watch, make sure that its auto backlight
function is turned off before riding on a bicycle or operating a
motorcycle or any other motor vehicle. Sudden and unintended
operation of the auto backlight can create a distraction, which can
result in a traffic accident and serious personal injury.
TIMEKEEPING FUNCTIONS
Day of week
P
Month – Date
A S
E
Graphic display
A
Year
C
SecondsHour
PM indicator
Minutes
3. Press C to change the selection in the following sequence.
Seconds
You can set the time and date in the
Timekeeping Mode, which you can enter
using C .
• In the Timekeeping Mode, the graphic
B
display shows counting of the seconds.
To set the time and date
1. In the Timekeeping Mode, press D until
the Timekeeping Display appears.
2. Hold down A until the seconds digits
D
start to flash on the display. The seconds
digits flash because they are
Hour
Minutes
12/24-Hour
Format
selected
To take a direction reading without storing data into
memory
Magnetic north indicator
Direction
A
P
BEARING
C
B
A S
D
E
Mode indicator
Direction value (in degrees)
• Also, four indicators appear to indicate magnetic north, south, east, and
west.
Magnetic north
Displayed
direction
Direction Meaning Direction Meaning Direction Meaning
N
.
E
S
W
NNE
ESE
Direction
value
North
East
South
West
North-
northeast
East-
southeast
1. Place the watch on a flat surface or (if
you are wearing the watch), make sure
Date
Time
that your wrist is horizontal (in relation to
the horizon).
• Note that taking a measurement while the
watch is not horizontal (in relation to the
horizon) can result in large measurement
error.
2. Point the 12 o’clock position of the watch
in the direction you want to measure.
3. Press B to enter the Digital Compass
Mode and to start a Digital Compass
measurement operation.
• After about one second, the direction that
the 12 o’clock position of the watch is
pointing appears on the display.
• The direction value that appears on the
display represents the clockwise angle
formed between magnetic north (which is
0 degrees) and the displayed direction.
• You can repeat steps 1 through 3 as
many times as you like.
• The following table shows the meanings
of each of the direction abbreviations that
appear on the display.
SSW
WNW
NESENortheast
SW
NW
South-
southwest
West-
northwest
Southeast
Southwest
Northwest
ENE
SSE
WSW
NNW
East-
northeast
South-
southeast
West-
southwest
North-
northwest
Date
4. While the seconds digits are selected (flashing), press D to reset the
seconds to “00”. If you press D while the seconds count is in the range of
30 to 59, it is reset to “00” and 1 is added to the minutes. If the seconds
count is in the range of 00 to 29, the minutes count is unchanged.
5. While any other digits (besides seconds) are selected (flashing), press
D to increase the number or B to decrease it. Holding down either
button changes the current selection at high speed.
While the 12/24-hour setting is selected, press B or D to switch
between the two formats.
6. After you set the time and date, press A to return to the Timekeeping
Mode (Timekeeping Display).
• The day of the week is automatically set in accordance with the date.
• The date can be set within the range of January 1, 1995 to December 31,
2039.
• If you do not operate any button for a few minutes while a selection is
flashing, the flashing stops and the watch goes back to the Timekeeping
Mode automatically.
Month Year
DIGITAL COMPASS FUNCTIONS
This watch features a built-in bearing sensor that indicates any one of 16
directions. Up to five sets of direction readings can be stored into memory.
Each set of data includes the direction, along with the date and time of the
measurement. Direction readings can be performed in the Digital Compass
Mode.
To enter and exit the Digital Compass Mode
1. While in the Timekeeping or Altimeter Mode, press B to enter the
Digital Compass Mode.
• At this time, the watch immediately starts a Digital Compass operation.
After about one second, the direction that the 12 o’clock position of the
watch is pointing appears on the display.
• If you do not perform any button operation for a few minutes, the watch
automatically returns to the mode you were in before entering the Digital
Compass Mode.
2. Press C to return to the mode you were in before entering the Digital
Compass Mode.
• Note that when you enter the Digital Compass Mode from the Altimeter
Mode, the Altimeter Mode measurement (see “About altitude
measurements”) continues to be performed internally.
W
N
W
W
W
S
P
S
S
N
A S
BEARING
S
E
4. Next, you can adjust the rotary direction
N
N
E
E
E
bezel so that the “N” or “
aligned with the magnetic north indicator.
This correctly aligns all of the markings
on the bezel.
• The Digital Compass operation is
automatically interrupted whenever an
alarm (Daily Alarm or Hourly Time Signal)
sounds. If this happens, start the Digital
Compass operation again from the
beginning.
” mark is
To take a direction reading and store data into
memory
A
BEARING
C
Memory number
(memory area display only)
• Each memory area is identified by a number from 1 through 5. The
Normal Display shows the current time and date without a memory
number.
• If the memory area you select already contains data, that data appears
on the display whenever the memory area is selected. Performing a
Digital Compass operation replaces the existing data with the newly
measured data.
2. Use the same procedures as described in steps 1 through 4 under
“To take a direction reading without storing data into memory.”
B
A S
D
E
1. While in the Digital Compass Mode, use
D to select the memory area where you
want to store the data. Each time you
press D , the selected memory area
changes in the following sequence.
Normal
Display
Memory 5
Memory 1
Memory 4 Memory 3
Memory 2
— 4 —
To recall data from memory
Magnetic north indicator
Direction value
• Holding down A causes the message “CLR” to appear on the display,
followed by the value changing to “– – –”.
Direction
A
P
A S
BEARING
C
E
Time
Memory No.
While in the Digital Compass Mode, use D
to scroll through the data in the following
Date
sequence.
B
Normal
Display
Memory 5
Memory 1
Memory 4 Memory 3
To delete data
D
1. While in the Digital Compass Mode,
scroll through the data items and display
the one you want to delete.
2. Hold down A until the displayed value
changes to “– – –”.
Memory 2
Digital Compass Precautions
This watch features a built-in magnetic bearing sensor that detects
terrestrial magnetism. This means that the northern direction indicated by
this watch is magnetic north, which is somewhat different from true polar
north. The magnetic north pole is located in northern Canada, while the
magnetic south pole is in southern Australia. Note that the difference
between magnetic north and true north as measured with all magnetic
compasses tends to be greater as one gets closer to either of the magnetic
poles. You should also remember that some maps indicate true north
(instead of magnetic north), and so you should make allowances when
using such maps with this watch.
Location
lockers, etc.), high tension wires, aerial wires, household appliances (TVs,
personal computers, washing machines, freezers, etc.)
• Accurate direction measurements are impossible while in a train, boat, air
plane, etc.
• Accurate measurements are also impossible indoors, especially inside
ferroconcrete structures. This is because the metal framework of such
structures picks up magnetism from appliances, etc.
Storage
• The precision of the compass may deteriorate if the watch becomes
magnetized. Because of this, you should be sure to store the watch away
from magnets or any other sources of strong magnetism, including:
permanent magnets (magnetic necklaces, etc.) and household
appliances (TVs, personal computers, washing machines, freezers, etc.)
• Whenever you suspect that the watch may have become magnetized,
perform one of the calibration procedures under “Calibrating the Digital
Compass”.
• Using the Digital Compass when you are near a
source of strong magnetism can cause large errors in
readings. Because of this, you should avoid using the
Digital Compass while in the vicinity of the following
types of objects: permanent magnets (magnetic
necklaces, etc.), concentrations of metal (metal doors,
To perform bidirectional calibration
1. While in the Digital Compass Mode
A
BEARING
C
3. Rotate the watch 180 degrees.
4. Press B again to calibrate the second direction.
• When the calibration procedure is complete, the message “OK” appears
in the upper display. After a short while, the watch automatically returns
to the Digital Compass Mode.
B
A S
D
E
(Normal Display), hold down A until the
upper display changes to show “–1–”.
• At this time, the magnetic north indicator
flashes at the 12 o’clock position to
indicate that the watch is ready to
calibrate the first direction.
2. Place the watch on a level surface, and
press B to calibrate the first direction.
• When the calibration procedure is complete,
the message “OK” appears in the upper
display. This soon changes to “–2–” and the
magnetic north indicator flashes at the 6
o’clock position to indicate that the watch is
ready for the second direction.
Precautions about bidirectional calibration
• You can use any two opposing directions for bidirectional calibration. You
must, however, make sure that they are 180 degrees opposite each
other. Remember that if you perform the procedure incorrectly, you will
get wrong readings from the Digital Compass.
• Do not move the watch during the one or two seconds (from the point you
press B up to the point that “OK” appears in the upper display) that the
calibration of each direction is in progress. If you do, the message “ERR”
appears in the upper display. When this happens, restart the bidirectional
calibration procedure from the beginning.
• The appearance of “ERR” during bidirectional calibration can also be
caused by local interference. If you suspect that this is the case, move to
another location and try the procedure again.
• You should perform bidirectional calibration in an environment that is the
same as that where you plan to be using the Digital Compass. If you plan
to use it in an open field, for example, calibrate in an open field.
To perform northerly calibration
1. While in the Digital Compass Mode
A
BEARING
C
• When the calibration procedure is complete, the message “OK” appears
in the upper display. After a short while, the watch automatically returns
to the Digital Compass Mode.
B
A S
D
E
(Normal Display), hold down A until the
upper display changes to show “–1–”.
2. Press C to start the northerly calibration
procedure.
• At this time, the indicator “N” appears in
the upper display.
3. Place the watch on a level surface, and
position it so that its 12 o’clock position
points north (as measured with another
compass).
4. Press B to start the calibration
operation.
Calibrating the Digital Compass
Whenever you suspect that the readings produced by the Digital Compass
are wrong, you should calibrate it. You can use either one of two calibration
procedures:
You should use bidirectional calibration when you want to calibrate the Digital
Compass to operate within an area exposed to magnetic force. This type of
calibration should be used if the watch become magnetized for any reason.
With northerly calibration, you “teach” the watch which way is north (which
you have to determine with another compass or some other means). You
could use this calibration procedure, for example, to set the watch to
indicate true north instead of magnetic north.
Important!
• If you want to perform both bidirectional and northerly calibration, be sure
to perform bidirectional calibration first, and then perform northerly
calibration. This is necessary because bidirectional calibration cancels
any previously set northerly calibration setting.
• If you do not perform any button operation for two or three minutes while
either calibration procedure is in progress (while the magnetic north
indicator is flashing at the 12 or 6 o’clock position), the watch
automatically returns to the Digital Compass Mode.
• The more correctly you perform bidirectional calibration, the better the
accuracy of your Digital Compass readouts. You should perform
bidirectional calibration whenever you change environments where you
use the Digital Compass, and whenever you feel that the Digital Compass
is producing incorrect readings.
bidirectional calibration
or
northerly calibration.
— 5 —
ALTIMETER FUNCTIONS
A built-in altimeter uses a pressure sensor to detect the current air
pressure which is then used to estimate the current altitude in accordance
with ISA (International Standard Atmosphere) values for altitude and air
pressure. If you preset a reference altitude, the watch will also calculate the
current relative altitude based on your preset value. Altimeter functions
also include data storage memory and an altitude alarm.
Important!
• This watch estimates altitude based on air pressure. This means that
altitude readings for the same location may vary if air pressure changes.
• Sudden changes in the weather make it impossible to produce accurate
altitude readings.
• This watch employs a semiconductor pressure sensor, which is affected
by temperature changes. When taking altitude measurements, be sure to
do so while ensuring that the watch is not exposed to temperature
changes.
• Do not use this watch while participating in sports where there are
sudden altitude changes. Also, do not use this watch for applications that
demand professional or industrial level precision. This watch should not
be used while engaging in the following activities: sky diving, hang
gliding, paragliding, gyrocopter riding, glider riding, etc.
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