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Manual Casio G-Shock GWF-A1000-1AER Watch

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Manual

Mode Overview

● Calendar Mode

The main hour, minute, and second hands

indicate the current time.

The small hour and minute hands show

another time (Dual Time).

④⑤ ⑥

③

②①

Last Time

Adjustment Result

Hand Shift

A　Current location time (24-hour time)

One revolution every 24 hours.

B　Day of the week at current location

C　Dual Time hour

D　Dual Time minute

E　Dual Time hour (24-hour hand)

The hand points to the A-side for a.m.

times, and to the P-side for p.m. times.

F　Current location date

Time Adjustment Using a Time Calibration

Signal

Hold down (D) for at least 0.5 seconds until the

second hand points to [RC].

●

A manual time calibration signal receive

operation cannot be performed while the

watch is paired with a phone.

Swapping the Current Location Time and

Dual Time

Hold down (B) for at least three seconds.

Connecting with a Paired Phone to Adjust

the Watch’s Time

Hold down (D) for at least 0.5 seconds until the

second hand points to [C].

Searching for a Paired Phone

Hold down (D) for at least five seconds.

● Dive Mode

In this mode, the hour, minute, second and 24-

hour hands indicate the elapsed dive time and

surface interval time.

Dive time

●

To stop dive time measurement, hold down

(D) for at least two seconds.

●

Stopping dive time measurement starts

surface interval measurement.

③

②①

Measurement In

Progress

Measurement Start

Dive Time Measurement Start

A　Dive time hours

This hand performs one revolution, which

indicates two hours of dive time.

Starting from 12 o’clock, this hand points

to 6 o’clock after one hour of dive time and

12 o’clock after two hours.

B　Dive time minutes

The hour and minute hands move

together.

C　Dive time seconds

Surface interval

●

To stop surface interval measurement,

press (D).

●

Stopping surface interval measurement

starts dive time measurement.

④

③②①

A　Surface interval hours (24-hour time)

This hand performs one revolution, which

indicates 24 hours of surface interval time.

Starting from 12 o’clock, this hand points

to 6 o’clock after 12 hours of surface

interval time and 12 o’clock after 24 hours.

B　Surface interval hours

C　Surface interval minutes

D　Surface interval seconds

● Tide Graph Mode

The small hour and minute hands indicate the

current time in the port you have specified.

●

The main hour, minute, and second hands

indicate the current time.

②

①

Hand Shift

A　Tide Level

B　Current time in selected port

● Stopwatch Mode

The second hand, and the small hour and

minute hands indicate the elapsed stopwatch

time.

●

The main hour and minute hands indicate

the current time.

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Start/Stop

Reset

A　Stopwatch seconds

B　Stopwatch hours

C　Stopwatch minutes

D　Stopwatch hours (24-hour time)

The hand points to the A-side for hours 0

through 12, and to the P-side for hours 12

through 24.

Operation Guide 5623

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Specifications

Brand	Casio
Model	G-Shock GWF-A1000-1AER
Category	Watches
File type	PDF
File size	1.63 MB

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Frequently Asked Questions about Casio G-Shock GWF-A1000-1AER Watch

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

A battery in my device is oxidized, can I still safely use it? Verified

Ja, the device can still be safely used. Firstly, remove the oxidizd battery. Never use bare hands to do this. Then clean the battery compartment with a cotton swab dipped in vinegar or lemon juice. Let it dry and insert new batteries.

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My mechanical watch runs fast, what can I do? Verified

This might be caused by exposure to a magnetic field. It can be solved by a demagnetisation process performed by a professional watchmaker.

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What do AM and PM stand for? Verified

AM stands for Ante Meridiem and indicates that the time is before midday. PM stands for Post Meridiem and indicates that the time is past midday.

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What is a 'Chronograph'? Verified

A 'Chronograph' is literally a 'writer of time'. The term is used to describe clocks and watches that tell the time of day as well as measure a certain period of time, like a stopwatch.

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What is GMT? Verified

GMT stands for Greenwich Mean Time (sometimes called UTC, standing for Coordinated Universal Time). It is the time for the longitude 0, that passes through Greenwich near London.

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What is a quartz movement? Verified

Watches and clocks with a quartz movement are driven by a battery. This sends an electric current through quartz crystals that will vibrate. These vibrations are passed on to the movement. Because the vibrations have a fixed frequency, watches and clocks with a quartz movement are extremely precise.

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There is moisture on the inside of the glass of my Casio watch, what should I do? Verified

Casio states that if the moisture appeared after an extreme change in temperature and disappears relatively quickly afterwards, there is probably nothing wrong. If the moisture does not disappear, you should have your watch repaired as soon as possible.

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