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4. While the Hourly Time Signal setting is selected, press B or D to switch the
hourly time signal on and off.
On
5. After you set the alarm time, press A to return to the Alarm Mode.
To switch the Daily Alarm on and off
While in the Alarm Mode, press D to switch the Daily Alarm on and off.
On
About the alarm
There are two different alarm sounds to choose from: high and low.
To test the alarm
Hold down B while in the Alarm Mode to sound the alarm. Each time you test the
alarm (by holding down B) a different alarm sounds. The sound produced the last
time you test the alarm is the one used for the alarm.
ERROR WARNING FUNCTION
This watch is designed to automatically stop taking measurements when there is a
sensor malfunction, when battery power drops below a certain level, or when
temperature drops below –10°C (or 14°F).
Sensor malfunction
Timekeeping Mode
Important!
There may be cases where the "SENSOR Error" or "HELP" message is cleared once
you change modes. In this case, you can continue using the watch normally unless
the error warning message reappears.
Whenever you have a sensor malfunction, be sure to take the watch back to the
store or dealer where you purchased it. If the appearance of the "HELP" message
is caused by extremely low temperature, the message should clear from the
display when normal temperature returns.
THINGS TO KNOW ABOUT ALTITUDES
Relationships between altitude, barometric pressure, and temperature
Generally, atmospheric pressure and temperature decrease as altitude increases.
This watch bases its altitude measurements on International Standard Atmosphere
(ISA) values stipulated by the International Civil Aviation Organization (ICAO), which
define relationships between altitude, atmospheric pressure, and temperature.
ALTITUDE
ATMOSPHERIC PRESSURE
616 hPa/mb
4000 m
3500 m
701 hPa/mb
3000 m
2500 m
795 hPa/mb
2000 m
1500 m
899 hPa/mb
1000 m
500 m
1013 hPa/mb
0 m
Source: International Civil Aviation Organization
ALTITUDE
ATMOSPHERIC PRESSURE
14000 ft
19.03 inHg
12000 ft
10000 ft
22.23 inHg
8000 ft
6000 ft
25.84 inHg
4000 ft
2000 ft
0 ft
29.92 inHg
Source: International Civil Aviation Organization
Off
Off
Low battery or Low temperature
Timekeeping Mode
Alarm function disabled.
TEMPERATURE
–11°C
About 8 hPa/mb per 100 m
–4.5°C
About 9 hPa/mb per 100 m
2°C
About 10 hPa/mb per 100 m
About 11 hPa/mb per 100 m
8.5°C
About 12 hPa/mb per 100 m
15°C
TEMPERATURE
16.2°F
About 0.15 inHg per 200 ft
30.5°F
About 0.17 inHg per 200 ft
About 0.192 inHg per 200 ft
44.7°F
About 0.21 inHg per 200 ft
59.0°F
How altitude is expressed
There are two standard methods of expressing altitude: Absolute altitude and relative
altitude. Absolute altitude expresses an absolute height above sea level. Relative
altitude expresses the difference between the height of two difference places.
Example: To obtain readings that are close to absolute altitude.
When you are out hiking or mountain climbing, calibrate the altimeter using an altitude
value from another source (a signpost or map, for example). Do this just before you
start your altitude measurements.
A
400
When atmospheric pressure changes because of changes in the weather
Extreme temperature changes
When the watch itself is subjected to strong impact
In any mode, Press L to illuminate the display for about two seconds.
• The illumination provided by the backlight may be hard to see when viewed under
direct sunlight.
• The battery that powers the backlight is different from the battery that powers other
watch operations.
• Frequent use of the backlight shortens the battery life.
• The backlight of this watch illuminates the analog face only.
About 6.5°C
per 1000 m
About 3.6°F
per 1000 ft
Height of building 130 m
(Relative altitude)
1. At Point A, calibrate the altimeter to 400
meters.
2. Proceed from Point A to Point B, taking
B
altimeter measurements along the way.
• If you also have altitude data for Point B, you
should again calibrate the altimeter there.
• Be sure to recalibrate at Point B if changing
weather conditions produce altitude reading
errors.
• The following conditions will prevent you from
obtaining accurate readings.
BACKLIGHT PRECAUTIONS
2376-4
Rooftop at an altitude of
230 m above sea level
(Altitude above sea level)
Sea