Casio 2147 General Manual - Page 3
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Altitude change display
When you start measurement (step 2 in the procedure below), the first altitude mea-
surement is used as a base. Then, each subsequent measurement is compared with
the base, and the difference is shown on the display. Measurements are taken every
2 seconds for the first five minutes. After that, measurement are taken every minute.
To use the altitude change display
1. Use C C C C C to enter the Altimeter Mode.
Altitude change
2. Press D D D D D to change to the altitude change display. At
Mode indicator
this time, the watch also starts to measure the elapsed
time.
• You can press D D D D D to change to the normal Altimeter Mode
display (showing the current time). Though the display
changes, elapsed time measurement continues internal-
ly. To return to the altitude change display, press D D D D D
again.
3. Press A A A A A to stop the measurement and switch to the
normal Altimeter Mode display.
• Whenever the elapsed time passes the 60-minute mark,
Elapsed time
the display changes automatically from showing min-
(Minutes, Seconds,
utes, seconds and 1/10 second, to hours, minutes, sec-
1/10 second)
onds.
• You can perform altitude change measurements for up to 23 hours, 59 minutes,
59 seconds. Whenever the elapsed time passes the 24-hour mark, measurement is
stopped automatically and the normal Altimeter Mode display appears.
To perform speed measurements
1. Use C C C C C to enter the Altimeter Mode.
2. Press D D D D D to change to start measurement of elapsed
time.
3. Press B B B B B to stop the elapsed time measurement (timing
continues internally).
• At this time, the average ascending and descending
speed appears on the display.
4. Press B B B B B again to resume timing from the time being
kept internally.
• You can repeat steps 3 and 4 as many times as you
want.
5. Press A A A A A to stop the measurement and switch to the
Average speed
normal Altimeter Mode display.
Notes
• The watch is not designed to measure speeds when the altitude changes suddenly
over a short period of time.
• Depending on conditions, the display may show the speed in terms of hours or
minutes. Note the following.
Speed
0 to ±999 m/hour
More than ±999 m/hour
Above ±999 m/minute
Speed
0 to ±2,999 ft./hour
More than ±2,999 ft./hour
Above ±2,999 ft./minute
Calibrating the altimeter
The altitude measurements produced on this watch may be affected by barometric
pressure. Because of this, we suggest that you calibrate the altimeter using informa-
tion available from a map or other source.
Notes
• Calibration is performed in the Altimeter Mode, while the normal Altimeter Mode
display is shown. Do not try to perform calibration while the altitude change display
is shown.
• Though you should not try to perform calibration while the altitude change display is
shown, you can perform calibration while the altitude change operation is being
performed internally, without affecting the operation.
To calibrate the altimeter
1. Enter the Altimeter Mode and confirm that the normal
Altimeter Mode display (showing the current time) is
shown.
2. Hold down A A A A A for about two seconds. In about 6 sec-
onds, the altitude value should start flashing on the dis-
play .
3. Each press of D D D D D increases the displayed altitude value
by 5 m, while pressing B B B B B decreases 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 by 20 ft.
• You can calibrate the altitude within the range of –4,000 m to 4,000 m (of –13,120 ft.
to 13,120 ft.).
• Pressing B B B B B and D D D D D at the same time resets the watch to its factory calibration.
4. After calibrating the altimeter, press A A A A A to return to the normal Altimeter Mode dis-
play.
• If you do not operate any button for a few minutes while the altitude digits are
flashing, the flashing stops and the watch returns to the normal Altimeter Mode
display.
Unit Used
m/h
m/min.
– – – –
Unit Used
ft./h
ft./min.
– – – –
ALARM FUNCTIONS
When the Daily Alarm is turned on, an alarm sounds for
Mode indicator
20 seconds at the preset time each day. When the Hourly
Time Signal is turned on, the watch beeps every hour on
the hour.
1. Hold down A A A A A until the hour digits start to flash on the
display. The hour digits flash because they are select-
ed . At this time the Alarm is automatically switched on.
2. Press C C C C C to change the selection in the following se-
quence.
Hour
Minutes
3. Press D D D D D to increase the number or B B B B B to decrease it. Holding down either button
changes the current number at high speed.
• The format (12-hour and 24-hour) of the alarm time matches the format you select
for normal timekeeping.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as morning or afternoon.
4. After you set the alarm time, press A A A A A to return to the Alarm Mode.
• If you do not operate any button for a few minutes while a selection is flashing, the
flashing stops and the watch goes back to the Alarm Mode automatically.
To stop the alarm
• Press any button to stop the alarm after it starts to sound.
To turn the Daily Alarm and Hourly Time Signal on and off
Press D D D D D while in the Alarm Mode to change the status of the Daily Alarm and Hourly
Time Signal in the following sequence.
Both OFF
Daily Alarm
only
To test the alarm
Hold down D D D D D while in the Alarm Mode to sound the alarm.
Note that this operation also changes the Daily Alarm and Hourly Time Signal on/off
setting.
STOPWATCH FUNCTIONS
1/100 second
The Stopwatch Mode lets you record elapsed time, split
Mode indicator
times, and two finishes. The range of the stopwatch is 23
hours, 59 minutes, 59.99 seconds.
Seconds
Hours
Minutes
(a) Elapsed time measurement
Start
Stop
(b) Split time measurement
Start
Split
(c) Split time and 1st-2nd place times
Start
Split
First runner
finishes.
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 temper-
ature drops below –10°C (or 14°F).
Sensor malfunction
Example: Barometer Mode
Important!
• When a sensor malfunction initially occurs, the "ERR." message flashes and a buzzer
sounds for three seconds.
• If the sensor is malfunctioning when it comes time for an barometric pressure mea-
surement to be taken, the corresponding point on the barometric pressure graph is
left blank.
• There may be cases where the "ERR." or "BATT." message is cleared once you
change modes. In this case, you can continue using the watch normally unless the
error warning message reappears.
Whenever there is a sensor malfunction, be sure to take the watch to an au-
thorized CASIO distributor or Service Center as soon as possible. If the ap-
pearance of the "BATT." message is caused by extremely low temperature,
the message should clear from the display when normal temperature returns.
It is recommended, however, that you still have the watch checked by an au-
thorized CASIO distributor or Service Center.
2147-3
Hour
Minutes
Hourly Time
Both ON
Signal only
Re-start
Stop
Clear
Split release
Stop
Clear
Stop
Split release
Clear
Second runner
Record time of
finishes.
second runner.
Record time of
first runner.
Low battery or Low temperature
Example: Altimeter Mode