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To specify a reference altitude
1. In the Altimeter Mode, hold down A for about
two seconds until either OFF or the current
reference altitude value starts to flash. This is
the setting screen.
2. Press E (+) or B (–) to change the current
reference altitude value by 5 meters (or 20 feet).
• You can specify the reference altitude within
the range of –10,000 to 10,000 meters
(–32,800 to 32,800 feet).
• Pressing E and B at the same time returns to OFF (no reference
altitude), so the watch performs air pressure to altitude conversions
based on preset data only.
3. Press A to exit the setting screen.
Altitude graph
The altitude graph shows Altimeter Mode
measurement results.
Altitude
• The vertical axis of the graph represents
altitude, and each dot stands for 10 meters (40
feet).
Time
• The horizontal axis represents time, and the flashing dot in the rightmost
column indicates the latest measurement result. For the first three minutes,
each dot represents five seconds. After that, each dot represents two
minutes.
• An out of range measurement result or a measurement error will cause the
column of dots for that measurement to be blank (skipped).
Recalling Altitude Data
Use the Data Recall Mode to view altitude records currently in memory, as
well as the current Altimeter Mode stopwatch session record, and the
historical record. Altitude records are created and stored by the watch in the
Altimeter Mode.
Data Screens
The following explains the contents of each of the screens that appear in the
Data Recall Mode.
Note
• While an altitude record screen, or the high altitude or low altitude screen is
displayed, the bottom part of the display alternates between the
measurement date (month and day) and measurement time, at 1-second
intervals.
Record
name
Altitude
Measurement date
(Month – Day)
Altitude Records
These are records of the 20 newest altitude readings taken with the watch by
you. If you take more than 20 readings, the watch will delete the oldest
readings to make room for the newest readings.
Current Stopwatch Session Record
The following data items are included in the current stopwatch session record.
Data Type
Screen Name
Highest altitude reached during the last
MAX
High Altitude
Altimeter Mode stopwatch session.
Lowest altitude reached during the last
MIN
Low Altitude
Altimeter Mode session.
Total cumulative ascent during the last
ASC
Total Ascent
Altimeter Mode session.
Total cumulative descent during the last
DSC
Total Descent
Altimeter Mode session.
Historical Record
The historical record contains data for all Altimeter Mode stopwatch sessions
performed since the last time the historical record was cleared.
Data Type
Screen Name
Highest altitude reached during all
High Altitude
MAX
Altimeter Mode stopwatch sessions.
Lowest altitude reached during all Altimeter
Low Altitude
MIN
Mode stopwatch sessions.
Total cumulative ascent during all Altimeter
Total Ascent
ASC
Mode stopwatch sessions.
Total cumulative descent during all
Total Descent
DSC
Altimeter Mode stopwatch sessions.
Operation Guide 3148
Measurement time
(Hour : Minutes)
Alternates at
1-second intervals.
Description
Description
To view altitude records and the current Altimeter Mode stopwatch
session record
Altitude records
E
E
E
REC
( 1 )
REC
( 2 )
REC
( 20 )
B
B
B
C
1. Enter the Data Recall Mode.
2. Use the C button to cycle between the altitude records, current Altimeter
Mode stopwatch record, and the historical record.
3. When the record you want is displayed, use the E (+) button and B (–)
button to scroll through the data. Holding down the E or B button scrolls
data at high speed.
4. After you are finished viewing data, press D to exit the Data Recall Mode.
• Dashes (
) will be displayed if data has been deleted or if there is no
xxxx
corresponding data due to error, etc. In such cases, total ascent (
and total descent (
DSC
) values will show zero.
• When total ascent (
ASC
) or total descent (
(or 99,980 feet), the applicable value will restart from zero.
Clearing the Historical Record
Use the following procedure to clear the contents of the historical record and
restart all values from zero.
To clear the historical record
1. Press the D button to enter the Data Recall
Mode.
2. Hold down A.
•
CLR
display.
3. Keep A held down for an additional two
seconds until
• The historical record high altitude screen will
reappear when data deletion is complete.
• If you release the A button part way through
the above procedure, the watch will return to
the historical record high altitude screen
without deleting the data.
Barometer/Thermometer
This watch uses a pressure sensor to measure air pressure (barometric
pressure) and a temperature sensor to measure temperature.
• You can calibrate the pressure sensor and the temperature sensor if you
suspect that readings are incorrect.
To take barometric pressure and temperature readings
In the Timekeeping Mode, press the D button to
Barometric
Barometric
pressure
enter the Barometer/Thermometer Mode. This
pressure
graph
will start barometric pressure and temperature
measurements automatically.
• It can take up to four or five seconds for the
barometric pressure reading to appear after
you enter the Barometer/Thermometer Mode.
• Barometric pressure is displayed in units of
1hPa (or 0.05 inHg).
Temperature
• The displayed barometric pressure value changes to
a measured barometric pressure falls outside the range of 260 hPa to
1100 hPa (7.65 inHg to 32.45 inHg). The barometric pressure value will
reappear as soon as the measured barometric pressure is within the
allowable range.
• Temperature is displayed in units of 0.1°C (or 0.2°F).
• The displayed temperature value changes to
temperature falls outside the range of –10.0°C to 60.0°C (14.0°F to
140.0°F). The temperature value will reappear as soon as the measured
temperature is within the allowable range.
• In some areas, barometric pressure is expressed in millibars (mb) instead
of hectopascals (hPa). It really makes no difference, because 1hPa = 1mb.
• You can select either hectopascals (hPa) or inchesHg (inHg) as the display
unit for the measured barometric pressure, and Celsius (°C) or Fahrenheit
(°F) as the display unit for the measured temperature value. See "To select
the temperature, barometric pressure, and altitude units".
• See "Barometer and Thermometer Precautions" for important precautions.
Current stopwatch session record
E
E
E
E
C
MAX
MIN
ASC
DSC
B
B
B
B
C
Historical record
E
E
E
E
MAX
MIN
ASC
DSC
B
B
B
B
ASC
DSC
) exceeds 99,995 meters
will appear in the upper part of the
CLR
starts flashing.
xxxx
hPa (or inHg) if
°C (or °F) if a measured
xxx
)
4
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