User manual

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2026-1

Module No. 2026

GETTING ACQUAINTED

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Congratulations upon your selection of this CASIO watch. To get the most out

of your purchase, be sure to carefully read this manual and keep it on hand for

later reference when necessary.

Applications

The built in sensors of this watch measure altitude, barometric pressure, and

temperature. 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.

Warning!

• 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.

• CASIO COMPUTER CO., LTD. assumes no responsibility for any loss,

or any claims by third parties that may arise through the use of this

watch.

About This Manual

• 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” section.

▼

Press C.

GENERAL GUIDE

Timekeeping Mode

Press B.

▼

▲

Altitude Markers

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[ Date ] [ Temperature ]

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Barometer Mode

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hPa mb

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LOCAL

HOME

Altimeter Mode

Alarm Mode

Dual Time Mode

Countdown Alarm Mode

▲

• Press C to change from mode to mode.

• If the mode does not change when you press C, it may mean that Auto Display is turned on. See “Auto Display” for information about how to turn it off.

• In any mode, press L to illuminate the display.

Summary of content (6 pages)

PAGE 1
Module No. 2026 2026-1 GETTING ACQUAINTED Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to carefully read this manual and keep it on hand for later reference when necessary. About This Manual A B Applications -22 The built in sensors of this watch measure altitude, barometric pressure, and temperature. Measured values are then shown on the display.
PAGE 2
026-2 TIMEKEEPING BAROMETER In addition to normal timekeeping, use the Timekeeping Mode to set the current time and date. This watch uses a pressure sensor to measure air pressure. You can calibrate the pressure sensor if you suspect the barometric pressure reading is incorrect. Calibrating the Seconds Count Use the following procedure to calibrate the seconds count. You can also specify whether you prefer to use 12-hour or 24-hour timekeeping for all screen that show times.
PAGE 3
2026-3 About Barometric Measurements About the Altitude Graph • The barometer automatically takes measurements every two hours (starting from midnight), regardless of what mode you are in. The results of these measurements are used for the weather graphic, pressure tendency indicator, and barometric pressure graph. • Barometric pressure measurements are also taken every five seconds for three minutes after you enter the Barometer Mode. After that, the measurements are taken every five minutes.
PAGE 4
2026-4 ALARM Alarm on indicator Hour : Minutes A B -22 -12 COUNTDOWN ALARM You can set a Daily Alarm that sounds at the same time each day, while it is turned on. You can also turn on an Hourly Time Signal that causes the watch to beep twice every hour on the hour. Minutes' Seconds" A B - 22 - 12 0 The countdown timer can be set within a range of 1 minute to 60 minutes. When the countdown reaches zero, an alarm sounds for 10 seconds or until you stop it by pressing any button.
PAGE 5
2026-5 To turn the auto light switch on and off In the Timekeeping Mode’s Date screen, hold down D for two seconds to turn the auto light switch on ( AUTO displayed) and off ( AUTO not displayed). • In order to protect against running down the batteries, the auto light switch is automatically turned off approximately six hours after you turn it on. Repeat the above procedure to turn the auto light switch back on if you want.
PAGE 6
2026-6 Altimeter Mode Precautions Error Warnings Generally, air pressure and temperature decrease as altitude increases. This watch bases its altitude measurements on International Standard Atmosphere (ISA) values stipulated by the International Civil Aviation Organization (ICAO). These values define relationships between altitude, air pressure, and temperature.