E-32
To determine the direction angle to an objective on a map and head in that direction (Bearing Memory)
1. Set the map so its northerly indication is aligned with north as indicated
by the watch, and determine your current location.
• See “To set a map and fi nd your current location” on page E-30 for
information about how to perform the above step.
2. As shown in the illustration to the left, change your position so you (and
the 12 o’clock position of the watch) are pointed in the direction of
objective, while keeping the northerly direction indicated on the map
aligned with north as indicated by the watch.
• If you fi nd it diffi cult to perform the above step while keeping
everything aligned, fi rst move into the correct position (12 o’clock
position of the watch pointed at the objective) without worrying
about the orientation of the map. Next, perform step 1 again to set
the map.
N
N
Objective
Current
location
12 o’clock
position
N
N
Objective
Current
location
12 o’clock
position
E-33
3. In any mode (except a setting mode), press
C
to take a digital
compass reading.
• This will cause the mode pointer to move to COMP.
4. While direction angle readings are in progress, press
E
to record the
currently displayed direction in Bearing Memory.
• The direction angle value and bearing pointer that are stored in
Bearing Memory will remain indicated for about 20 seconds.
• To re-display the Bearing Memory direction angle value and
Bearing Memory Pointer, press
C
.
• See “Using Bearing Memory” (page E-26) for more information.
5. Now you can advance while monitoring the Bearing Memory Pointer to
ensure that it remains in the 12 o’clock position.
• Pressing
E
while the Bearing Memory direction angle value and
Bearing Memory Pointer are shown will clear the Bearing Memory
data you saved in step 4.
Note
• When mountain climbing or hiking, conditions or geographic contours may make it impossible for
you to advance in a straight line. If this happens, return to step 1 and save a new direction to the
objective.
12 o’clock position
Bearing Memory
Pointer
North
pointer
Direction angle of
current reading
Bearing memory
direction angle value
12 o’clock position
Bearing Memory
Pointer
North
pointer
Direction angle of
current reading
Bearing memory
direction angle value
E-34
Digital Compass Precautions
This watch features a built-in magnetic bearing sensor that detects terrestrial magnetism. This means that
north indicated by this watch is magnetic north, which is somewhat different from true polar north. The
magnetic north pole is located in northern Canada, while the magnetic south pole is in southern Australia.
Note that the difference between magnetic north and true north as measured with all magnetic compasses
tends to be greater as one gets closer to either of the magnetic poles. You should also remember that
some maps indicate true north (instead of magnetic north), and so you should make allowances when
using such maps with this watch.
Location
• Taking a direction reading when you are near a source of strong magnetism can cause large errors in
readings. Because of this, you should avoid taking direction readings while in the vicinity of the
following types of objects: permanent magnets (magnetic necklaces, etc.), concentrations of metal
(metal doors, lockers, etc.), high tension wires, aerial wires, household appliances (TVs, personal
computers, washing machines, freezers, etc.).
• Accurate direction readings are impossible while in a train, boat, air plane, etc.
• Accurate readings are also impossible indoors, especially inside ferroconcrete structures. This is
because the metal framework of such structures picks up magnetism from appliances, etc.
Storage
• The precision of the bearing sensor may deteriorate if the watch becomes magnetized. Because of
this, you should store the watch away from magnets or any other sources of strong magnetism,
including: permanent magnets (magnetic necklaces, etc.) and household appliances (TVs, personal
computers, washing machines, freezers, etc.).
• Whenever you suspect that the watch may have become magnetized, perform the procedure under “To
perform bidirectional calibration” (page E-23).
E-35
Taking Temperature Readings
This watch uses a temperature sensor to measure temperature.
To take temperature readings
1. While in the Timekeeping Mode, press
E
to enter the Thermometer
Mode.
• TEMP will appear in the lower display and temperature
measurement will start. After about one second, the measurement
reading will appear in the upper display.
• The watch will continue to take temperature readings every fi ve
seconds for one or two minutes.
2. Press
E
to return to the Timekeeping Mode.
• The watch will return to the Timekeeping Mode automatically if you
do not perform any operation for about one or two minutes after
entering the Thermometer Mode.
TemperatureTemperature
E-36
Temperature
• Temperature is displayed in units of 0.1°C (or 0.2°F).
• The displayed temperature value changes to
- - -
°C (or °F) if a
measured 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.
Display Units
You can select either Celsius (°C) or Fahrenheit (°F) for the displayed temperature value. See “To specify
the temperature unit” (page E-38).
Temperature Sensor Calibration
The temperature sensor built into the watch is calibrated at the factory and normally require no further
adjustment. If you notice serious errors in the temperature readings produced by the watch, you can
calibrate the sensor to correct the errors.
Important!
• Incorrectly calibrating the temperature sensor can result in incorrect readings.
Carefully read the following before doing anything.
–
Compare the readings produced by the watch with those of another reliable and accurate thermometer.
– If adjustment is required, remove the watch from your wrist and wait for 20 or 30 minutes to give the
temperature of the watch time to stabilize.
TemperatureTemperature
E-37
To calibrate the temperature sensor
1. Take a reading with another measurement device to determine the
exact current temperature.
2. With the watch in the Timekeeping Mode, press
E
to enter the
Thermometer Mode.
3. Hold down
A
for about two seconds until the temperature reading
disappears from the upper display. Release
A
at this time, which will
cause the temperature reading to fl ash, which indicates the setting
mode.
4. Use
E
(+) and
B
(−) to calibrate the temperature value with the reading of another instrument.
• Each press of a button changes the temperature value in units of 0.1°C (0.2°F).
• To return the currently fl ashing value to its initial factory default setting, press
E
and
B
at the
same time.
5. Press
A
to return to the Thermometer Mode.
Thermometer Precautions
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 all moisture from the
case. It takes approximately 20 to 30 minutes for the case of the watch to reach the actual surrounding
temperature.
E-38
Specifying Temperature Unit
Use the procedure below to specify the temperature unit to be used in the Thermometer Mode.
Important!
When
TOKYO
is selected as the Home City, the temperature unit is set
automatically to Celsius (
°C
). This setting cannot be changed.
To specify the temperature unit
1. In the Timekeeping Mode, press
E
to enter the Thermometer Mode.
2. Hold down
A
for about two seconds until the temperature reading
disappears from the upper display. Release
A
at this time, which will
cause the temperature reading to fl ash, which indicates the setting
mode.
3. Press
D
to display the current temperature unit in the upper display.
4. Press
E
to toggle the temperature unit between
°C
(Celsius) and
°F
(Fahrenheit).
5. After the setting is the way you want, press
A
to exit the setting
screen.
E-39
Using the Stopwatch
The stopwatch measures elapsed time, split times, and two fi nishes.
To enter the Stopwatch Mode
Use
D
to select the Stopwatch Mode as shown on page E-8.
The mode pointer will move to
STW
, and then the dial hand will indicate
the elapsed time minutes. If the stopwatch is reset to all zeros, the dial
hand will move to 0. Note that the mode pointer is part of the dial hand,
so it will move when the dial hand moves to indicate elapsed minutes.
To perform an elapsed time operation
E
E
E E
A
Start Stop (Restart) (Stop) Reset
To pause at a split time
E
A
A E
A
Start Split
(
SPL
appears in
the lower display.)
Split release Stop Reset
Hours
Seconds
Dial hand
Minutes
Mode
pointer
1/100 second
Hours
Seconds
Dial hand
Minutes
Mode
pointer
1/100 second
Operation Guide 5303
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