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TIMEKEEPING
In addition to normal timekeeping, use the Timekeeping Mode to set the
current time and date.
Calibrating the Seconds Count
Use the following procedure to calibrate the seconds count. You can also
specify whether you prefer to use 12-hour or 24-hour timekeeping for all
screen that show times.
1. In the Timekeeping Mode, hold down A
Time system indicator
until the seconds digits start to flash.
2. Press D to set the seconds count to
• Pressing D while the seconds count is in
A
B
the range of 30 to 59 resets the seconds to
00
- 22
- 12
0
seconds count is in the range of 00 to 29,
P
the minutes count is unchanged.
• While the seconds digits are flashing, press
B to toggle between 12-hour (
C
D
24-hour (
3. Press A to return to the current time
screen.
Setting the Current Time and Date
1. In the Timekeeping Mode, hold down A
Hour : Minutes Seconds
until the seconds digits start to flash.
Day of week
• The seconds digits are flashing because
they are selected .
A
B
2. Press C to move the flashing in the
sequence shown below to select other
settings.
- 22
- 12
0
P
C
D
Year
Month – Day
PM indicator
3. While hour, minutes, year, month, or day is selected (flashing), press D to
increase the setting or B to decrease it.
4. After the time and date are set the way you want them, press A to return
to the current time screen.
Notes
• The day of the week is automatically displayed in accordance with the date
(year, month, and day) setting.
• The year can be set in the range of 1995 to 2039.
• The watch's built-in full automatic calendar automatically make allowances
for different month lengths and leap years. Once you set the date, there
should be no reason to change it except after replacement of the watch's
batteries.
THERMOMETER
A built-in temperature sensor measures temperature and shows the measured
value on the display. You can calibrate the temperature sensor if you suspect
the temperature reading is incorrect.
Understanding the Temperature Screen
1. Use C to enter the Timekeeping Mode.
2. Press B to display the Temperature
A
B
screen.
• Temperature is displayed in units of 0.1°C
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-12
0
(or 0.2°F).
• The displayed temperature value changes to
P
xx
C
falls outside the range of –10.0°C to 60.0°C
C
D
(14.0°F to 140.0°F). The temperature value
will be displayed again as soon as the
measured temperature is within the
Temperature
allowable range.
About Temperature Measurements
• When you first display the Temperature screen, it shows the current
temperature at that time. If you leave the Temperature screen on the
display, temperature measurements are taken every five seconds for the
first three minutes. After that, temperature measurements are taken every
five minutes.
• 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.
• You can change the measured temperature value displayed by this watch
between Celsius (°C) and Fahrenheit (°F). See "Changing the Temperature
Units" .
and adds 1 to the minutes. If the
12H
24H
) timekeeping.
Seconds
Hour
Minutes
Day
Month
Year
°C (or °F) if a measured temperature
.
x
This watch uses a pressure sensor to measure air pressure. You can calibrate
the pressure sensor if you suspect the barometric pressure reading is
incorrect.
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.
Important!
00
.
• The pressure sensor 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.
• The barometric pressures that you see in the newspaper and on the TV
weather report are measurements corrected to values measured at 0m sea
level.
) and
Understanding the Barometer Screen
Barometric pressure graph
Weather graphic
A
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-12
hPa mb
P
C
Current time
Barometic pressure
Weather Graphic and Pressure Tendency Indicator
The watch automatically takes a barometric pressure reading every two hours.
It compares the current reading with the last one. If the difference is greater
than ±2hPa/mb (0.05inHg), the graphic and tendency indicator are changed
accordingly.
Weather
Graphic
Tendency
Indicator
• If the difference between two readings is less than ±2hPa/mb (0.05inHg) or
if the watch was unable to make a successful reading for some reason, the
graphic remains the same and the tendency indicator shows
• The "Improving" graphic and rising tendency indicator are shown
immediately after replacement of the watch batteries.
Barometric pressure graph
Barometric pressure indicates changes in the atmosphere. By monitoring
these changes you can predict the weather with reasonable accuracy.
The barometric pressure graph shows the barometric readings for the past 20
hours. The flashing point on the right of the display is the point for the last
measurement. The following shows how to interpret the data that appears on
the barometric pressure graph.
A rising graph generally means improving weather.
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 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 (460hPa/mb to 1100hPa/mb or
13.55inHg to 32.45inHg)
• Sensor malfunction
• Dead batteries
BAROMETER
Use C to enter the Barometer Mode.
• Barometric pressure is displayed in units of
Pressure
1hPa/mb (or 0.05inchesHg).
tendency
• The displayed barometric pressure value
indicator
changes to
xxxx
measured barometric pressure falls outside
the range of 460hPa/mb to 1100hPa/mb
B
(13.55inHg to 32.45inHg). The barometric
pressure value will be displayed again as
0
soon as the measured barometric pressure
is within the allowable range.
• In the Barometer Mode, the top part of the
display alternates between a barometric
D
pressure graph and a weather graphic. A
pressure tendency indicator is also shown
on the display.
Improving
No Change
2026-2
hPa/mb (or inHg) if a
Deteriorating
.
Not visible on
the display.
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