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Manual Casio G-Shock GBA-900SM-7A9ER Watch

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Manual

●

Alarm Mode

The watch will beep when an alarm time is

reached.

Alarms and Hourly Time Signal

①

② ③

Alarm

number

switching

On/off

A　Alarm hour/minute

B　Alarm or hourly time signal status (on/off)

C　Alarm number

Shifting the Hands

Hand shift moves the hands out of the way for

easy viewing of display information.

1. While holding down (B), press (D).

●

This will shift the analog hands to allow

easy viewing of display information.

2. To return the hands to their normal

timekeeping positions, hold down (B) as

you press (D) again, or press (D) to

change to another mode.

Note

●

The hands will resume normal

timekeeping automatically if you

change modes or if you leave the

watch with its hands shifted and do not

perform any operation for about one

hour.

Viewing the Face in the Dark

The face of the watch can be illuminated for

viewing in the dark.

●

To illuminate the face manually

Press (B) to turn on illumination.

●

If illumination is on, it will turn off

automatically if one of the notifications

below starts to sound.

ー　

Alarms

ー　

Timer alarm

ー　

Auto Lap notification

●

To illuminate the face when Auto Light

is enabled

If Auto Light is enabled, face illumination will

turn on automatically whenever the watch is

positioned at an angle of 40 degrees or more.

degrees

or more

Important!

●

Auto Light may not operate properly

when the watch is at a horizontal angle

of 15 degrees or greater from

horizontal as shown in the illustration

below.

●

Electro-static charge or magnetism

can interfere with proper auto light

operation. If this happens, try lowering

your arm and then angle it towards

your face again.

●

When moving the watch you may note

a slight rattling sound. This is due to

operation of the auto light switch,

which determines the current

orientation of the watch. It does not

indicate malfunction.

Note

●

Auto Light is disabled when any one of

the conditions below exists.

ー　

Alarm, timer alert, or other beeper

sounding

ー　

Hand movement operation is in

progress

●

Configuring the Auto Light Setting

Holding down (B) for at least two seconds in

the Timekeeping Mode toggles Auto Light

between enabled and disabled.

●

[LT] is displayed while Auto Light is

enabled.

●

If you do not disable it manually, Auto Light

remains enabled for approximately six

hours. After that, it becomes disabled

automatically.

●

Specifying the Illumination Duration

You can select either 1.5 seconds or three

seconds as the illumination duration.

1. Enter the Timekeeping Mode.

Navigating Between Modes

2. Hold down (A) for at least two seconds.

Release the button when [SET] stops

flashing.

3. Press (D) nine times to display [LT].

4. Press (E) to select an illumination

duration.

[1]: 1.5-second illumination

[3]: 3-second illumination

5. Press (A) twice to complete the setting

operation.

Watch Operation Guide 5641

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Specifications

Brand	Casio
Model	G-Shock GBA-900SM-7A9ER
Category	Watches
File type	PDF
File size	1.75 MB

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Frequently Asked Questions about Casio G-Shock GBA-900SM-7A9ER 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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