Operation Guide 3148
To specify a reference altitude
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| 1. In the Altimeter Mode, hold down A for about |
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| two seconds until either OFF or the current |
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| reference altitude value starts to flash. This is | |
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| the setting screen. | ||||
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| l | 2. Press E (+) or B |
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| l | reference altitude value by 5 meters (or 20 feet). | |
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• You can specify the reference altitude within the range of
• 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 | |
Altitude | measurement results. | |
• The vertical axis of the graph represents | ||
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| altitude, and each dot stands for 10 meters (40 |
Timefeet).
•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
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| Alternates at | (Hour : Minutes) |
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 | Description |
High Altitude | MAX | Highest altitude reached during the last |
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| Altimeter Mode stopwatch session. |
Low Altitude | MIN | Lowest altitude reached during the last |
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| Altimeter Mode session. |
Total Ascent | ASC | Total cumulative ascent during the last |
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| Altimeter Mode session. |
Total Descent | DSC | Total cumulative descent during the last |
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| 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 | Description |
High Altitude | MAX | Highest altitude reached during all |
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| Altimeter Mode stopwatch sessions. |
Low Altitude | MIN | Lowest altitude reached during all Altimeter |
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| Mode stopwatch sessions. |
Total Ascent | ASC | Total cumulative ascent during all Altimeter |
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| Mode stopwatch sessions. |
Total Descent | DSC | Total cumulative descent during all |
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| Altimeter Mode stopwatch sessions. |
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To view altitude records and the current Altimeter Mode stopwatch session record
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| Altitude records |
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| Current stopwatch session record | ||||||||||||||||||||||||
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| MIN |
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| ASC |
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| DSC |
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| Historical record |
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C
E E E
MAX
MIN
ASC
DSC
B B B
B
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
4.After you are finished viewing data, press D to exit the Data Recall Mode.
• Dashes (xxxx) will be displayed if data has been deleted or if there is no
corresponding data due to error, etc. In such cases, total ascent (ASC)
and total descent (DSC) values will show zero.
• When total ascent (ASC) or total descent (DSC) exceeds 99,995 meters (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 will appear in the upper part of the display.
3. Keep A held down for an additional two seconds until CLR starts flashing.
•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
Barometric | Barometric | In the Timekeeping Mode, press the D button to | |
pressure | pressure | enter the Barometer/Thermometer Mode. This | |
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| will start barometric pressure and temperature | |
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| measurements automatically. | |
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| It can take up to four or five seconds for the |
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| barometric pressure reading to appear after |
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| 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 xxxx hPa (or inHg) if 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 xxx °C (or °F) if a measured temperature falls outside the range of
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.
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