• Depending on the model of your watch, digital display text appears
either as dark ﬁ gures on a light background, or light ﬁ gures on a dark
background. All examples in this manual are shown using dark ﬁ gures
on a light background.
• Button operations are indicated using the letters shown in the
• Note that the product illustrations in this manual are intended for
reference only, and so the actual product may appear somewhat
different than depicted by an illustration.
Minute HandHour Hand
Minute HandHour Hand
Using the Crown
The crown of this watch is a screw in lock crown. Before using the crown,
you must ﬁ rst rotate it towards you to loosen it. After performing crown
operations, be sure to press the crown in lightly as you screw it back in.
• To maintain water resistance and avoid impact damage to the crown,
be sure to screw it back in when you are not using it.
The illustrations below show the different crown operations.
Pull outRotatePush in
You can use either of the crown operations described below to move watch hands or indicators at high
HS1: Can be used to move both hands and display indicators.
HS2: Can be used when setting the hour and minute manually to move the hands at high speed.
To start HS1 high-speed movement
While the crown is pulled out, rotate it rapidly three turns away from you (for
forward movement) or towards you (for reverse movement). High-speed
movement will continue even if you release the crown.
To start HS2 high-speed movement
While HS1 high-speed movement is in progress, again rotate the crown rapidly
three turns in the same direction as the current HS1 movement (away from you
for forward movement or towards you for reverse movement).
To stop high-speed movement
Rotate the crown in the direction that is opposite that of the current high-speed
movement or press any button.
• If you do not perform any operation for more than two minutes after pulling out the crown, the indicator
shown below will appear and crown operations will become disabled. If this happens, push the crown
back in and then pull it out again to re-enable crown operations.
• Pulling out the crown while the watch is in a mode that does not allow conﬁ guration of any settings will
cause the indicator shown below to appear. If this happens, push the crown back in and lock it.
• The indicator shown below also appears when performing hand home position adjustment. See “Hand
Home Position Adjustment” (page E-39) for more information.
• You can use high-speed movement in the following cases: when changing the time and/or date setting
in the Timekeeping Mode, World Time Mode, Countdown Timer Mode, or Alarm Mode, or when
performing magnetic declination angle calibration, altitude calibration, barometric pressure calibration,
or temperature calibration operations.
Things to check before using the watch
1. Check the battery power level.
for at least two seconds to enter the Timekeeping Mode and display the battery power
The battery power level will be indicated as H or M on the left
side of the digital display.
Go to step 2.
Power is low.
Charge the watch by placing it in a location
where it is exposed to light. For details, see “Charging the
Watch” (page E-12).
Does any one of the following conditions exist?
• L flashing on the digital display.
• “CHARGE” is flashing on the display.
The watch is charged
For details about
“Charging the Watch”
is ﬂ ashing, the second hand will jump at two-second intervals.
is ﬂ ashing, all hands will move to and stop at 12 o’clock.
2. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To conﬁ gure Home City and summer time settings” (page E-34) to conﬁ gure
your Home City and daylight saving time settings.
• Proper time calibration signal reception, and World Time Mode data depend on correct Home City,
time, and date settings in the Timekeeping Mode. Make sure you conﬁ gure these settings correctly.
3. Set the current time.
• To set the time using a time calibration signal
See “To get ready for a receive operation” (page E-21).
• To set the time manually
See “Conﬁ guring Current Time and Date Settings Manually” (page E-36).
The watch is now ready for use.
• For details about the watch’s radio controlled timekeeping feature, see “Radio Controlled Atomic
Timekeeping” (page E-19).
Congratulations upon your selection of this CASIO watch.
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.
• 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 use a second compass to conﬁ rm direction readings.
• Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss
suffered by you or any third party arising through the use of your watch or its malfunction.
Operation Guide 5463
View the manual for the Casio G-Shock GWG-1000-1A3ER here, for free. This manual comes under the category Watches and has been rated by 13 people with an average of a 9. This manual is available in the following languages: English. Do you have a question about the Casio G-Shock GWG-1000-1A3ER or do you need help? Ask your question here
Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the Casio G-Shock GWG-1000-1A3ER below.
A battery in my Watch has started to corrode. Is the device still safe to use?
The product can still be used safely after proper cleaning. Remove the battery with gloves and clean the battery compartment with a toothbrush and vinegar. After drying, new batteries can be inserted into the device.
Is the manual of the Casio G-Shock GWG-1000-1A3ER available in English?
Yes, the manual of the Casio G-Shock GWG-1000-1A3ER is available in English .
Do you have a question about the Casio and the answer is not in the manual? Ask your question here. Provide a clear and comprehensive description of the problem and your question. The better your problem and question is described, the easier it is for other Casio owners to provide you with a good answer.
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How do I change the countdown tiger's time
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