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Map Data Source
This watch uses the map database of Tokyo
Cartographic Co., Ltd.
Supported Phone Models
For information about supported phone
models, visit the CASIO Website.
https://world.casio.com/os_mobile/wat/
Specifications
Accuracy at normal temperature :
±15 seconds per month average when time
adjustment by time calibration signal
reception or by communication with a phone
is not possible.
Timekeeping :
Hour, minute, second, day (2000 to 2099
full auto calendar), day of the week
Signal Receive Functions :
GPS signals: Auto Receive, manual receive
Time calibration signal: Auto Receive
Auto transmitter selection (for JJY, MSF/
DCF77)
Receivable call signs:
JJY (40kHz/60kHz), BPC (68.5kHz),
WWVB (60kHz), MSF (60kHz), DCF77
(77.5kHz)
Last reception result display
Automatic and manual switching between
standard time and summer time.
World Time :
Current time in 39 time zones * and
Coordinated Universal Time (UTC) time
display, summer time auto switching
* Subject to updated by connection
between the watch and a phone.
Mobile Link :
Auto Time Correction
Time setting adjusted automatically at
preset time.
Auto Summer Time Switching
Automatic switching between standard
time and summer time.
Hand alignment correction
Data Communication Specifications
Bluetooth
®
Frequency Band: 2400MHz to 2480MHz
Maximum Transmission: 0 dBm (1 mW)
Communication range: Up to 2 meters
(depends on environment)
Stopwatch :
Measurement unit: 1 second
Measuring capacity: 23:59’59” (24 hours)
Measurement function: Elapsed time
Timer :
Setting unit: 1 minute
Countdown range: 24 hours
Countdown unit: 1 second
Alarm :
Setting units: Hours, minutes
Other :
LED light; auto hand position correction;
Power Saving; Low Battery Alert; Airplane
Mode (disables data communication)
Power Supply :
Solar panel and one rechargeable battery
Battery operating time: Approximately 6
months
Conditions:
Not exposed to light under the conditions
below.
GPS time information receive
(approximately 10 seconds): 1 operation/
2 days
GPS location information receive
(approximately 45 seconds): 1 operation/
month
Light: 1 operation/day
Alarm: 1 operation/day
Specifications are subject to change without
notice.
Mobile Link Precautions
● Legal Precautions
●
This watch complies with or has received
approval under the radio laws of various
countries and geographical areas. Using
this watch in an area where it does not
comply with or has not received approval
under applicable radio laws may be a
criminal offense. For details, visit the CASIO
Website.
https://world.casio.com/ce/BLE/
●
Use of this watch inside of aircraft is
restricted under the aviation laws of each
country. Be sure to follow the instructions of
airline personnel.
● Precautions when using Mobile Link
●
When using this watch in combination with
a phone, keep the watch and phone close
to each other. A range of two meters is
recommended as a guideline, but the local
environment (walls, furniture, etc.), the
structure of a building, and other factors
may require a much closer range.
●
This watch can be affected by other devices
(electrical devices, audio-visual equipment,
office equipment, etc.) In particular, it can
be affected by operation of a microwave
oven. The watch may not be able to
communicate normally with a phone if a
microwave oven is operating nearby.
Conversely, this watch may cause noise in
radio reception and the video image of a TV.
●
Bluetooth of this watch uses the same
frequency band (2.4 GHz) as wireless LAN
devices, and use of such devices in close
proximity of this watch may result in radio
interference, slower communication
speeds and noise for the watch and the
wireless LAN device, or even
communication failure.
Operation Guide 5531
21
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