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Casio 2872 Operation Manual

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Getting Acquainted

Congratulations upon your selection of this CASIO watch. To get the most out
of your purchase, be sure to read this manual carefully and keep it on hand
for later reference when necessary.
Expose the watch to bright light to charge its battery before using it.
You can use this watch even as its battery is being charged by exposure to
bright light.
• Be sure to read "Power Supply" of this manual for important
information you need to know when exposing the watch to bright
The built-in sensors of this watch measure direction, barometric pressure,
temperature and altitude. Measured values are then shown on the display.
Such features make this watch useful when hiking, mountain climbing, or
when engaging in other such outdoor activities.
If the digital display of the watch is blank...
• The initial factory default setting is Power Saving on.
• The watch will recover from the sleep state if you move it to a well-lit area,
if you press any button, or if you angle the watch towards your face for
It can take up to two seconds for the display to turn on.
• See "Power Saving" for more information.

General Guide

• The illustration below shows which buttons you need to press to navigate
between modes.
• In any mode, press L to illuminate the display.
Timer Mode
Data Recall Mode
Alarm Mode
Month – Day
Press A.
PM indicator
Hour : Minutes
Day of week
To set the time and date
1. In the Timekeeping Mode, hold down A until the seconds start to flash,
which indicates the setting screen.
2. Press C to move the flashing in the sequence shown below to select other
Operation Guide 2872
If the PS indicator is on the display (either
flashing or steady), it means that the watch's
Power Saving function has turned it off to
conserve power. Power Saving automatically
turns off the display and enters a sleep state
whenever the watch is left for a certain period
where it is dark.
Timekeeping Mode
Press C.
Use the Timekeeping Mode to view the current
time and date. You also need to enter the
Timekeeping Mode to configure timekeeping
settings, as well as the display illumination
duration and Power Saving setting.
• In the Timekeeping Mode, press A to toggle
between the month–day and the day of the
week–day at the top of the display.
• The measurement functions built into this watch are not intended for
taking measurements that require professional or industrial precision.
Values produced by this watch should be considered as reasonable
representations only.
• When engaging in mountain climbing or other activities in which losing
your way can create a dangerous or life-threatening situation, always be
sure to use a second compass to confirm direction readings.
• CASIO COMPUTER CO., LTD. assumes no responsibility for any loss,
or any claims by third parties that may arise through the use of this
About This Manual
• You can use buttons B, D, and E to directly enter a sensor mode from
the Timekeeping Mode or from another sensor mode. To enter a sensor
mode from the Stopwatch, Countdown Timer, Data Recall, or Alarm Mode,
first enter the Timekeeping Mode and then press the applicable button.
Press B.
Compass Mode
3. When the timekeeping setting you want to change is flashing, use D and/
or B to change it as described below.
• The following steps explain how to configure timekeeping settings only.
To do this:
Reset the seconds to
Change the hour or minutes
Toggle between 12-hour (
and 24-hour (
Change the year, month, or day
4. After the settings are the way you want, press A to exit the setting screen.
• For information about specifying how long the display remains illuminated,
see "To specify the illumination duration".
• For details about configuring settings for the Power Saving feature, see
"Power Saving".
• Resetting the seconds to
59 causes the minutes to be increased by 1. In the range of 00 to 29, the
seconds are reset to
• With the 12-hour format, the P (PM) indicator appears on the display for
times in the range of noon to 11:59 p.m. and no indicator appears for times
in the range of midnight to 11:59 a.m.
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59,
without any indicator.
• Button operations are indicated using the
letters shown in the illustration.
• Each section of this manual provides you with
the information you need to perform operations
in each mode. Further details and technical
information can be found in the "Reference"
Sensor Modes
Press E.
Press D.
Thermometer Mode
Altimeter Mode
Press C.
Do this:
Press D.
Use D (+) and B (–).
Press D.
) timekeeping
Press D (+) and B (–).
while the current count is in the range of 30 to
without changing the minutes.



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  Summary of Contents for Casio 2872

  • Page 1: Getting Acquainted

    MO0405-EA Operation Guide 2872 Getting Acquainted Congratulations upon your selection of this CASIO watch. To get the most out Warning! • The measurement functions built into this watch are not intended for of your purchase, be sure to read this manual carefully and keep it on hand taking measurements that require professional or industrial precision.
  • Page 2: Digital Compass

    Operation Guide 2872 Barometer/Thermometer • The 12-hour/24-hour timekeeping format you select in the Timekeeping This watch uses a pressure sensor to measure air pressure (barometric Mode is applied in all modes. pressure) and a temperature sensor to measure temperature. • The year can be set in the range of 2000 to 2039. The day of the week is •...
  • Page 3 Operation Guide 2872 About Barometric and Temperature Measurements To take an altitude reading • Barometric pressure and temperature measurement operations are Pressing D in the Timekeeping Mode or in any performed as soon as you enter the Barometer/Thermometer Mode. After...
  • Page 4: Countdown Timer

    Operation Guide 2872 Altitude Records To measure times with the stopwatch Storing altitude data in memory creates an altitude record. If a reading is Elapsed Time greater than all of the other altitude readings currently stored in memory, it is stored in the maximum altitude record.
  • Page 5: Alarm Operation

    Operation Guide 2872 To configure countdown timer settings To set an alarm time 1. In the Alarm Mode, use D to scroll through 1. While the countdown start time is on the display in the Countdown Timer Mode, hold the alarm screens until the one whose time down A until the minute setting of the you want to set is displayed.
  • Page 6: Questions And Answers

    2500 m per 1000 m 795 hPa 2°C 2000 m About 10 hPa per 100 m to fully charge, contact your dealer or CASIO distributor about having it 1500 m replaced. About 11 hPa per 100 m 899 hPa 8.5°C 1000 m •...
  • Page 7 Daylight Through a Window on a Cloudy Day (5,000 lux) 48 minutes Whenever you have a sensor malfunction, be sure to take the watch to Indoor Fluorescent Lighting (500 lux) 8 hours your original dealer or nearest authorized CASIO distributor as soon as possible.
  • Page 8 Operation Guide 2872 Power Saving Digital Compass Precautions When turned on, Power Saving automatically enters a sleep state whenever This watch features a built-in magnetic bearing sensor that detects terrestrial the watch is left for a certain period in an area where it is dark. The table magnetism.
  • Page 9 If Incorrectly calibrating the barometric pressure sensor can result in incorrect keeps appearing, contact your original dealer or nearest authorized CASIO readings. Before performing the calibration procedure, compare the readings distributor to have the watch checked.