Operation Guide

Table Of Contents
Other Information
This section provides non-operational
information you also need to know. Refer to
this information as required.
City (Time Zone) List
Time
offset
Secon
d Hand
Positio
n
Representative
City
Receivable
Transmitter
±0* 0 London, Dublin
MSF,
DCF77
+1* 1 Paris, Rome
+2* 2 Athens, Cairo
+3 3
Jeddah,
Moscow
-
+4 4
Dubai, Abu
Dhabi
-
+5 5 Karachi -
+6 6 Dhaka -
+7 7
Bangkok,
Jakarta
-
+8* 8
Hong Kong,
Singapore
BPC
+9* 9 Tokyo, Seoul JJY
+10 10 Sydney, Guam -
+11 11
Noumea, Port
Vila
-
+12 12
Wellington,
Christchurch
-
+13 13 Nuku’alofa -
+14 14 Kiritimati -
-12 48 Baker Island -
-11 49 Pago Pago -
-10 50
Honolulu,
Papeete
-
-9 51
Anchorage,
Nome
-
-8* 52
Los Angeles,
Vancouver
WWVB
-7* 53
Denver,
Edmonton
-6* 54
Chicago,
Mexico City
-5* 55
New York,
Montreal
-4* 56
Halifax,
Caracas
-3 57
Rio de Janeiro,
Buenos Aires
-
-2 58
Fernando de
Noronha
-
-1 59 Praia -
* Time zones where time calibration signal
reception is possible.
The information in the above table is current
as of July 2017.
Supported Phone Models
For information about phones that can
connect with the watch, 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
Dual Time :
Hour, minute, 24-hour
Home Time swapping
Summer time
Signal Receive Functions :
Time calibration: Auto Receive, manual
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.
Mobile Link :
Auto Time Correction
Time setting adjusted automatically at
preset time.
One-touch Time Correction
Manual connection and time adjustment
Phone finder
Watch operation sounds the alert sound
of the phone.
Home Time swapping
Auto summer time setting
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 :
Measuring unit: 1 second
Measuring capacity: 23:59’59” (24 hours)
Measurement function: Elapsed time
Other :
Auto Correction of Hand Home Positions,
Power Saving, Battery indicator
Power Supply :
Solar panel and one rechargeable battery
Approximate Battery Life :
Approximately 5 months
Conditions
Auto adjust: 4 times/day
Power Saving: 6 hours/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 5542
15