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Adjusting the display contrast
1. In the Timekeeping Mode, press D until
Graphic area
the Timekeeping screen appears.
2. Hold down A until the seconds digits starts
A
B
to flash on the display. The seconds digits
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flash because they are selected .
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• At this time, dots appear in the graphic area
of the display to indicate the current contrast
P
setting. Every two dots represent one
C
D
contrast level.
3. Press C seven times until the
indicator appears on the display.
4. Pressing D makes the images on the display darker, while B makes
them lighter.
• Display contrast can be adjusted to one of six levels. Two dots in the
graphic area indicate the lightest contrast setting (Level 1), while 12 dots
indicates the darkest setting (Level 6).
5. After you make the settings you want, press A to return to the
Timekeeping Mode (Timekeeping screen).
BAROMETER FUNCTIONS
This watch uses a pressure sensor to measure air pressure. This sensor can
be calibrated.
Important!
The barometer that is 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.
Example barometer applications
• Before going mountain climbing, you can take readings to find out the
probable upcoming weather.
• You can predict the weather for golf or other outdoor activities.
About barometric measurements
The barometer automatically takes measurements every two hours (starting
from midnight), regardless of what mode you are in. Barometric pressure
measurements are also taken every five seconds for three minutes after you
display the Timekeeping Mode's Barometric pressure/Temperature screen.
The last measurement result, along with the current temperature is displayed
in the Barometric pressure/Temperature screen.
Understanding the barometer screen
1. Use C to enter the Timekeeping Mode.
2. Press D to display the Barometric Pressure/Temperature screen.
• If you do not press any button for 10 or 11 hours, the watch automatically
returns to the Timekeeping screen.
A
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Temperature
˚C
P
C
(Barometric Pressure/Temperature)
*
1 The barometric pressure graph shows the barometric readings for the
past 26 hours. The flashing point on the right of the display is the point for
the last measurement.
*
2 The display shows "– – – – hPa/mb" (or inHg) if a measured value falls
outside the range of 460 hPa/mb to 1100 hPa/mb (13.55 inHg to 32.45
inHg). The normal display will return as soon as the pressure returns
within the allowable range.
Using the barometric pressure graph
Changes in barometric pressure are caused by changes in the weather and
temperature. The following shows how to interpret the data that appears on
the barometric pressure graph.
A rising graph generally means
better weather.
A falling graph generally means
deteriorating weather.
C N T
B
Barometric pressure graph
(Unit: 1 hPa(mb)/0.05 inHg)
hPa
Last measurement
mb
*
2
(updated every 2 hours)
D
Note that if there are sudden
changes in weather or tem-
perature, 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 measurement to be
skipped, with the corresponding point on the barometric pressure graph being
left blank.
• Barometric reading that is out of range (460 hPa/mb to 1100 hPa/mb or
13.55 inHg to 32.45 inHg)
• Sensor malfunction
• Dead battery
Calibrating the barometric pressure measurement
The sensor of this watch is calibrated at the factory before shipment and
further adjustment is normally not required. If noticeable error is found in the
barometric pressure readings produced by the watch, you can adjust it to
correct the error.
Important!
Incorrectly calibrating the barometric pressure measurement of this watch can
result in incorrect readings. Compare the readings produced by the watch with
those of another reliable accurate barometer.
To calibrate the barometric pressure
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hPa
mb
˚C
C
• The
OFF
indicator appears when the factory setting is being used for the
calibration.
4. Each press of D increases the displayed barometric pressure by 1 hPa/mb,
while pressing B decreases it. Holding down either button changes the
value at high speed.
• If you have selected inHg as your unit of measurement, the above
operations change the reading by 0.05 inHg.
• Pressing B and D at the same time returns to the
5. After calibrating the barometric pressure, press A to return to the
Barometric Pressure/Temperature screen.
• If you do not operate any button for a few minutes while the barometric
pressure digits are flashing, the flashing stops and the watch goes back to
the Barometric Pressure/Temperature screen.
THERMOMETER FUNCTIONS
*
1
A built-in temperature sensor measures temperature and shows the measured
value on the display. The thermometer can be calibrated.
Important!
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 all moisture
from the case. It takes approximately 20 to 30 minutes for the case of the
watch to reach the actual surrounding temperature.
About temperature measurements
Temperature measurements are taken automatically every five minutes,
regardless of what mode the watch is in. Measured temperature values can be
viewed in the Timekeeping or Altimeter Mode. Temperature measurements
are taken every five seconds for the first three minutes after you display the
Timekeeping Mode's Barometric Pressure/Temperature screen, or after you
enter the Altimeter Mode. After that, temperature measurements are taken
every five minutes.
• Temperature measurement data can be recalled along with altitude
measurement data.
1. In the Timekeeping Mode, use D to
display the barometric pressure and
B
temperature.
2. Hold down A until the display clears.
or the temperature value should be flashing
on the display.
3. Press C to show the barometric pressure
D
calibration display. At this time,
barometric pressure value should be
flashing on the display.
OFF
1570-3
Not visible on display
OFF
OFF
or the
display.
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