Quick Start
Quick Reference Manual 3475
E-9
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.
E-8
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).
x
disappears from the display when a full charge is reached.
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.
E-7
USB
1
2
E-6
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 USB-
AC 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.
E-5
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.
E-4
Charging the Watch
Your watch can be charged using solar charging or a charger cable.
x Use the charger cable in the cases below.
– 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.
Battery indicator
E-3
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.
E-2
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
E-1
ENGLISH
Congratulations upon your selection of this CASIO watch.
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.
For a full Operation Guide
and Q&A information about
this product, go to the
website below.
https://world.casio.com/manual/wat/
MA2003-EC
© 2020 CASIO COMPUTER CO., LTD.