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Altimeter Mode measurement
This type of measurement is performed only when the watch is in the
Altimeter Mode. As soon as you enter the Altimeter Mode, measurements are
taken every five seconds for the first three minutes. After that, measurements
are taken every two minutes. The display unit for Altimeter Mode measure-
ments is 5 m (20 feet), and the display range is 0 to 6000 m (0 to 19680 feet).
The measured altitude may be a negative value in cases where there is a
reference altitude value set or because of certain atmospheric conditions.
Understanding the altimeter display
Use C to enter the Altimeter Mode. Note that once you enter the Altimeter
Mode, if you do not press any button for 10 or 11 hours, the watch automatically
returns to the Timekeeping Mode.
*
1
Mode indicator
Auto memory
measurement
indicator
A
B
AUTO
ALTI
C
D
Remaining memory
*
1 "ALTI" flashes while a measurement is being taken every five seconds. It
does not flash during the measurements taken every two minutes.
2 "AUTO" flashes on the display while a memory measurement is in
*
progress. The indicator stops flashing while no measurement is being
performed.
Memory measurements
Memory measurements are taken independently of Altimeter Mode measure-
ments and stored directly into memory (along with temperature measure-
ments) for later recall. There are two types of memory measurements: "Auto
Memory Measurements" and "Manual Memory Measurements".
Auto Memory Measurements
With auto memory measurement, the watch continuously performs measure-
ments whenever the minutes in the Timekeeping Mode reach 00, 15, 30, or
45, until you switch auto measurements off. The watch continues to take
measurements regardless of whether or not you change modes, so you can
keep a running log of temperature and altitude changes automatically.
Manual Memory Measurements
You can use the manual procedure to take a reading anytime you want to
store your current altitude data into memory for later recall. Manual memory
measurements can be performed only while the watch is in the Altimeter
Mode.
About the memory...
Each memory item (auto or manual) stored by the watch consists of the
current altitude, plus the month, date, time, and temperature. Data is stored
in the same sequence that it is input.
Memory can hold a total of 50 sets of data, which is enough to store 12 hours
and 15 minutes of auto memory data (if you do not take any manual readings
during that time). See About memory data of this manual for details on how
to recall memory data.
Important!
Further auto or manual memory measurements
become impossible whenever memory is full.
The message "FULL" on the display indicates
that memory is full. Always check the amount
of memory remaining before starting memory
measurements, and delete data if necessary.
Selecting Auto or Manual Memory Measurement
Use the following procedure to switch between auto or manual memory
measurement. Note that you cannot perform this operation while a preset
auto memory measurement is already in progress.
1. In the Altimeter Mode, hold down A until the display clears. After 4 or 5
seconds, either "OFF" or the current reference altitude value (if set) will
start to flash. The data flashes because it is selected .
2. Press C to change the selection in the following sequence.
(Altitude Graph)
(Unit: 10 m/40 ft)
Current altitude
(flashing)
*
2
AUTO
Target
ALTI
altitude
graph
C
m
P
Current
Current altitude
temperature
Current time
AUTO
ALTI
A
AUTO
ALTI
C
( Reference
Altitude Setting )
Press C.
Auto memory measurement
indicator
AUTO
ALTI
m
( Altitude Alarm Setting )
3. Press C to select the Memory Measurement Setting display (with either
"AUTO" or "MANUAL" flashing).
4. Press D to switch between auto memory measurement ("AUTO" flashing)
or manual memory measurement ("MANUAL" flashing).
5. After selecting the type of measurement you want, press A to return to
the Altimeter Mode.
Using Auto Memory Measurement
1. Confirm that the "AUTO" indicator is shown
Auto memory measurement
indicator
A
B
AUTO
ALTI
2. Hold down D until the watch emits a short
C
m
P
The data measured when you first start
C
D
auto memory measurement is also stored
into memory.
The "AUTO" indicator flashes on the display when you start auto memory
measurements. The "AUTO" indicator continues to flash (indicating that
measurements continue) even if you change modes.
Auto memory measurement cuts off automatically whenever there are 49
sets of data stored in memory. The 50th set of data measured when you
stop the measurement operation in step 3 below is also stored in memory.
3. To stop measurements at any point, hold down D again until the watch
emits a short beep.
A final measurement is taken when you switch auto memory measurement
off, and that data is also stored into memory. Such data is indicated by "FIN"
during the recall operation.
Using Manual Memory Measurement
1. Confirm that the "MANUAL" indicator is
Manual memory
measurement indicator
A
B
MANUAL
ALTI
2. Hold down D until the watch emits a short
C
m
P
3. Repeat step 2 whenever you want to take
C
D
Button operation becomes impossible during the 4 or 5 seconds that it
takes to complete a measurement. Normal operation will return once the
operation is finished.
Setting a Reference Altitude
After you set a reference altitude, the watch automatically calculates the
difference between the current altitude and your preset value. The altitude
measurements produced by this watch are subject to error caused by changes
in air pressure. Because of this, we recommend that you set the reference
altitude during your climb whenever one is available.
1. In the Altimeter Mode, hold down A until
A
B
AUTO
ALTI
m
The "OFF" indicator appears when the
factory setting is being used for the
C
D
calibration.
2. Press D to increase the current reference altitude value by 5 m or B to
decrease it. Holding down either button changes the value at high speed.
If you have selected feet as your unit of measurement, the above operations
change the reading in increments of 20 feet.
You can set the reference altitude within the range of –6000 m to 6000 m
(–19680 feet to 19680 feet).
B
m
D
Press C.
AUTO
ALTI
Press C.
( Memory Measurement Setting )
on the display. If it is not, use the
procedures under Selecting Auto or
Manual Memory Measurement to select
auto memory measurement.
beep, indicating the start of the measure-
ment.
shown on the display. If it is not, use the
procedures under Selecting Auto or
Manual Memory Measurement to select
manual memory measurement.
beep, indicating that a measurement is
taken.
a reading.
the display clears. After 4 or 5 seconds,
either "OFF" or the current reference
altitude value (if set) will start to flash. The
data flashes because it is selected .
1675-4
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