Casio 2198 Manuel général - Page 4
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To change the measurement units
1. Use C to enter the Timekeeping Mode.
A
B
2. Press D until the Barometric Pressure/
3. Hold down A until "OFF" (or the
hPa mb
°
C
A S
4. Press C to change the selection in the
C
D
E
Temperature Adjustment
m/ft
hPa(mb)/inHg
5. Use C to select the unit (°C/°F, hPa (mb)/
hPa mb
6. Press B or D to set the currently selected
°
C
C
7. After making your selection, press A to
A S
ALTIMETER FUNCTIONS
A built-in altimeter uses a pressure sensor to detect the current air pressure
which is then used to estimate the current altitude in accordance with ISA
(International Standard Atmosphere) values for altitude and air pressure. If
you preset a reference altitude, the watch will also calculate the current
relative altitude based on your preset value. Altimeter functions also include
data storage memory and an altitude alarm.
Important!
• This watch estimates altitude based on air pressure. This means that
altitude readings for the same location may vary if air pressure changes.
• Sudden changes in the weather make it impossible to produce accurate
altitude readings.
• This watch employs a semiconductor pressure sensor, which is affected by
temperature changes. When taking altitude measurements, be sure to do
so while ensuring that the watch is not exposed to temperature changes.
• Do not use this watch while participating in sports where there are sudden
altitude changes. Also, do not use this watch for applications that demand
professional or industrial level precision. This watch should not be used
while engaging in the following activities: sky diving, hang gliding, paragliding,
gyrocopter riding, glider riding, etc.
Applications
When no reference altitude is preset:
• The watch produces approximate altitude readings.
When a reference altitude is preset:
• Before beginning the climb, set the reference altitude to 0 m at the foot of
the mountain. This makes it possible to determine the difference in altitude
between the reference point and your destination.
• To determine the height of a tall
building, set the reference
altitude to 0 m on the ground
floor. Note, however, that if the
building is pressurized or air
conditioned, you may not be able
to get a good reading.
• To determine the difference in altitude between your house and the another
location, set the reference altitude to 0 m at your house, and then check the
reading when you arrive at the other location.
About altitude measurements
There are two types of altitude measurements: those for displayed data
(Altimeter Mode measurements) and those for memory data (see "Memory
measurements").
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
measurements is 5 m (20 feet), and the measurement range is 0 to 6,000 m
(0 to 19,680 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.
Temperature screen appears.
temperature value) appears flashing in the
display. The data on the display is flashing
because it is selected .
following sequence.
Barometric Pressure Adjustment
°C/°F
inHg or m/ft) you want.
unit.
return to the Timekeeping Mode (Baro-
metric Pressure/Temperature screen).
Understanding the altimeter display
Use C to enter the Altimeter Mode. Note that once you enter the Altimeter
Mode, the watch beeps for about three seconds and automatically returns to
the Timekeeping Mode if you do not press any button for 10 or 11 hours.
Graphic display
Remaining memory
Auto memory
*
indicator
A
B
AL
AUTO
ALTI
A S
C
D
E
*
1
Mode indicator
1 "ALTI" flashes while a measurement is being taken every five seconds. It
*
does not flash during 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.
3 "
" appears on the display when the altitude alarm is switched on.
*
AL
Memory measurements
Memory measurements are taken independently of Altimeter Mode
measurements and stored directly into memory (along with temperature
measurements) for later recall. With memory measurement, the watch
continuously performs measurements whenever the minutes in the
Timekeeping Mode reach 00, 15, 30, or 45, until you switch memory
measurements off. The watch continues to take measurements regardless of
whether or not you change modes, so you can keep a running log of altitude
and temperature changes automatically.
About the memory...
The memory item stored by the watch consists of the current altitude, plus the
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 memory data. See "To recall altitude measurement data
from memory" for details on how to recall memory data.
Important!
Further memory measurements become impossible
whenever memory is full. If you try to perform Memory
measurement while memory is full, the watch beeps for
three seconds and the message
FULL
display. Always check the amount of memory remaining
before starting memory measurements, and delete data if
necessary.
To store altitude data into memory (memory measurement)
1. In the Altimeter Mode, hold down D until
Auto memory indicator
• The data measured when you first start
A
B
memory measurement is also stored into
memory.
AL
• The "AUTO" indicator flashes on the display
AUTO
m
°
C
when you start memory measurements. The
P
"AUTO" indicator continues to flash
ALTI
A S
(indicating that measurements continue)
even if you change modes.
C
D
E
• 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 2 below is also stored in memory.
2. 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 memory measurement off,
and that data is also stored into memory. Such data is indicated by "FIN"
during the recall operation.
1998/2198-4
Altitude Graph (unit: 10m/40ft)
2
Current altitude
(flashing)
Altitude alarm
AL
AUTO
m
°
Current altitude
C
Current time
P
ALTI
A S
Current temperature
appears on the
ALTI
the watch emits a short beep, indicating
the start of the measurement.
*
3
A S