MA2003-EC
© 2020 CASIO COMPUTER CO., LTD.
Quick Reference Manual 3475
Contents
Charging the Watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-4
Solar Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-5
Charging with the Charger Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-6
Charging by Connecting to a Non-computer USB Port . . . . . . . . . . . . . . . . . . . .E-9
Other Charging Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-9
Wearing the Watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-10
Using the Watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-12
Navigating Between Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-12
Adjusting the Time Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-14
Training Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-17
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-18
Operating Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-27
User Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-39
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Charging the Watch
Your watch can be charged using solar charging or a charger cable.
x Use the charger cable in the cases below.
Battery indicator
– To charge quickly or to bring the watch to a full charge
before going out
– When the battery indicator shows only one or two bars, or
when the watch display is blank
x If the watch will not charge because you left it with a blank
display for a long period contact your original retailer.
x Watch functions become disabled as battery power goes low.
Regular charging once a day is recommended.
Congratulations upon your selection of this CASIO watch.
ENGLISH
To ensure that this watch
provides you with the years
of service for which it is
designed, carefully read and
follow the instructions in
this manual, especially the
information under “Operating
Precautions” and “User
Maintenance”.
Be sure to keep all user
documentation handy for
future reference.
The Bluetooth® word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc. and any use of such marks by CASIO COMPUTER CO., LTD.
is under license.
This product has a Mobile Link function that lets it communicate with a
®
Bluetooth
capable phone to perform automatic time adjustment and other
operations.
x This product complies with or has received approval under radio laws in various
countries and geographic areas. Use of this product in an area where it does not
conform to or where it has not been approved under applicable radio laws may
be punishable under local laws. For details, visit
https://world.casio.com/ce/BLE/.
x Use of this product inside of an aircraft is restricted by the aviation laws of each
country. Be sure to obey instructions provided by flight personnel concerning
use of devices such as this product.
Solar Charging
Remove the watch from your wrist and place it in a brightly lit area.
x The watch may become hot when exposed to light for charging. Take care to avoid
burn injury.
x Avoid charging in locations where it is very hot.
For a full Operation Guide
and Q&A information about
this product, go to the
website below.
https://world.casio.com/manual/wat/
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Charging with the Charger Cable
Your watch does not come with an AC adaptor. Use the charger cable that comes
with the watch to charge as described below.
x When charging on a desk or other work surface, keep other articles away from the
charger cable and watch.
x Use only the charger cable that comes with the watch for charging.
Important!
x USB charging compatible devices and power supply devices (which are sold as
usable for USB charging) normally meet specific standards. Do not use an inferior
device or one that does not meet the required standards. Doing so can cause
malfunction or failure of this watch. Also note that there are various types of USBAC adaptors with different standards that must be met in specific countries. CASIO
COMPUTER CO., LTD. shall be held in no way liable for any malfunction or failure
of the watch due to the use of inferior devices or devices that do not meet required
standards.
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1. Turn on your USB port-equipped device and connect the charger cable to it.
2. Connect the end of the charger cable with the special watch connector to watch
charger terminal.
x This starts charging ( flashes).
disappears from the display when a full charge is reached.
x
Important!
x Should water get onto the watch or charger cable during charging, immediately
disconnect the charger cable and stop charging.
x If an ongoing charging operation stops, disconnect the watch from the charger
cable. After checking for and eliminating problems, try charging again.
x Make sure that the charger cable connector is oriented correctly when you connect
it.
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USB
2
Charging by Connecting to a Non-computer USB Port
Charging is possible from a device that meets USB standards and that satisfies the
conditions below.
x Output Voltage: 5 V
x Output Current: 2 A or less
Other Charging Precautions
x This watch can be charged from a device that has a USB port that is USB 2.0
specification or higher.
x Operation is not guaranteed in the case of a computer built or modified by
you. Even in the case of a commercially available computer, certain USB port
specifications may make it impossible to charge via the charger cable.
x Charging the watch’s battery may cause interference with TV and radio reception.
If this happens, use a power outlet that is further away from the TV or radio for
charging.
x Actual charging time depends on the current battery charge level and watch usage
conditions.
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Quick Reference Manual 3475
Wearing the Watch
How you wear the watch on your wrist affects the accuracy of heart rate monitor
values. Position the watch as described below.
1. With the watch fastened loosely on your wrist, place at least one finger to the
right of the pressure sensor (right side of the watch)* (Figure (1)).
x If the watch covers the protruding bone of your
wrist (your ulna, which is circled in the nearby
figure), keep adding fingers until it doesn’t
anymore.
x The location and shape of this bone differ from
person to person.
* If you wear the watch on your right wrist, place
your finger(s) to the left of C.
2. Position the watch so there is at least one finger width between it and your wrist
joint when you bend your hand back (Figure (2)).
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Using the Watch
Navigating Between Modes
Timekeeping Mode
Display screen navigation Illumination on
Training Function
start
Mode switch
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x To return to the Timekeeping Mode, hold down D for at least one second.
x For details, refer to the Operation Guide at the CASIO website.
Adjusting the Time Setting
Immediately after purchasing the watch or moving to another time zone, perform a
GPS signal receive operation to acquire position info.
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1. In the Timekeeping Mode, hold down A for at least
two seconds.
2. Use A and D to select [TIME ADJUSTMENT].
3. Press C.
4. Use A and D to select [AUTO].
5. Press C.
6. Use A and D to select [TIME+POSITION (GPS)].
3. After you determine the best wrist position, tighten the band snugly so the watch
does not slide on your wrist.
Figure (1) Figure (2)
Important!
x A band that is snugly tightened for heart rate monitoring can cause you to sweat
and make it difficult for air to pass under the band, which can lead to skin irritation.
During normal wear, when you do not need to monitor your heart rate, make sure
the band is loose enough to allow you to insert a finger between it and your wrist.
Each press of D cycles through the modes as shown below.
Timekeeping HR (Heart Rate) Stopwatch
D
Notification
Use A to cycle between the Compass, Altimeter, and Barometer/Thermometer
Modes.
Compass Altimeter Barometer/Thermometer
7. Move to a location where the sky is clearly visible and orient the watch so its
display is pointed straight upwards.
8. Press C.
x This starts GPS signal reception. After location info is acquired, [ADJUSTED]
appears on the display along with the current time in your current location.
x Location info acquisition takes anywhere from about 40 to 80seconds. In some
cases it can take as long as 13minutes.
Configuring Time Settings
After acquiring location info, use the procedure below to configure time settings.
1. In the Timekeeping Mode, hold down A for at least two seconds.
2. Use A and D to select [TIME ADJUSTMENT].
3. Press C.
4. Use A and D to select [AUTO].
5. Press C.
D
Training Status
D
D
Training Log
D
A
A
D
Timer
Compass, Altimeter,
Barometer/Thermometer
D
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D
A
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6. Use A and D to select [TIME (GPS)].
7. Move to a location where the sky is clearly visible and orient the watch so its
display is pointed straight upwards.
8. Press C.
x This starts GPS signal reception. After time info is acquired, [ADJUSTED]
appears on the display along with the current time.
x Time adjustment takes anywhere from about 10 to 65seconds. In some cases it
can take as long as 13minutes.
Using a Phone to Configure Time Settings
For details visit the website below.
https://world.casio.com/manual/wat/
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Specifications
Accuracy: ±15 seconds a month (no adjustment by signal information)
Basic Functions: Hour, minute, second, month, day, day of the week
a.m./p.m.(P)/24-hour timekeeping
Full Auto Calendar (2000 to 2099)
Mobile Link:
Function linking with a Bluetooth
* Operation Enhanced by Mobile Link
x Auto Time Adjustment
x Simple time setting:
– World Time: Current time in 300 cities (38 time zones, auto summer time
switching), and UTC (Coordinated Universal Time) time
– Watch setting configuration
x Phone Finder
x Data Updating:
– Updating of time zone and summer time rule information
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®
device using wireless communication*
Training Function
You can use the Training Function of this watch to make your running and other
workouts more efficient and enjoyable.
x Use GPS to keep track of your distance and pace.
x Use heart rate measurement to keep your training efficient and safe.
x Keep informed about the effectiveness of your training.
x Use maximum oxygen uptake (VO2max) measurement to keep track of your
current endurance level.
You can also use the G-SHOCK MOVE phone app for this watch to perform the
types of training described below.
x Intuitive analysis of daily training
x Creation of personalized training plans in line with your goals
For information about installing the application, refer to the Operation Guide at the
CASIO website.
x Training plan creation
x Training function settings
– Target alerts
– Altimeter navigation settings
x Training log data management
– Training log data and lap data management
– Training analysis results
x Notifications
Communication Specifications:
®
Bluetooth
Frequency band: 2400 to 2480MHz
Maximum transmission: 0dBm (1mW)
Range: Up to 2 meters (Depends on environment)
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