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Signal Reception (Time
Calibration Signal)
Q1
The watch cannot perform a receive
operation.
Is the watch’s battery charged?
Signal reception is not possible while
battery power is low. Keep the watch
exposed to light until it recharges
sufficiently.
l
Solar Charging
Is the watch in the Timekeeping Mode?
Signal reception is not possible unless the
watch is in the Stopwatch Mode. Note that
signal reception is also disabled in the
Airplane Mode. Return to the
Timekeeping Mode and/or exit the
Airplane Mode.
l
Navigating Between Modes
Is your Home City setting correct for your
location?
The watch will not indicate the correct time
if the Home City setting is wrong. Change
your Home City setting so it correctly
reflects your location.
l
Acquiring GPS Position Information
Manually
l
Setting a Home Time City
Is the watch connected with a phone?
Auto receive of signals by the watch is
disabled while it is connected with a
phone.
After checking the above, the watch still
cannot perform a receive operation.
Time calibration signal reception is not
possible under the conditions described
below.
●
When watch is at Level 2 power saving
●
When the crown is pulled out
●
Timer countdown operation in progress
If successful reception is not possible for
some reason, you can adjust the time and
day settings manually.
Q2
The signal receive operation always
fails.
Is the watch in a location that is appropriate
for signal reception?
Check your surroundings and move the
watch to a location where signal reception
is better.
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Appropriate Signal Reception Location
Did you avoid touching the watch while the
receive operation was in progress?
Minimize movement of the watch and do
not perform any watch operation while a
receive operation is in progress.
Is there an alarm configured to sound
during the same period that the signal
receive operation is performed?
Receive stops if an alarm operation starts
while it is being performed. Disable the
alarm.
l
Enabling/Disabling the Alarm
Is the signal transmitter in your area
transmitting a signal?
The transmitter of the time calibration may
not be transmitting a signal.
Try again later.
Q3
Signal reception should have been
successful, but the watch’s time and/
or day is wrong.
Is the hand and/or day indicator alignment
correct?
Adjust hand and/or day indicator
alignment.
l
Adjusting Hand and Day Indicator
Alignment
After checking the above, the time and/or
day settings is still wrong.
Adjust time and day settings manually.
l
Adjusting Time Settings Manually
I can’t pair the watch with a
phone.
Q1
I’ve never been able to establish a
(pairing) connection between the
watch and phone.
Are you using a supported phone model?
Check if the phone model and its
operating system are supported by the
watch.
For information about supported phone
models, visit the CASIO Website.
https://world.casio.com/os_mobile/wat/
Did you install CASIO WATCHES on your
phone?
CASIO WATCHES needs to be installed
on your phone in order to connect with the
watch.
l
A
Installing the Required App on Your
Phone
Are your phone’s Bluetooth settings
configured correctly?
Configure the phone’s Bluetooth settings.
For details about setting procedures, see
your phone documentation.
iPhone Users
●
“Settings”
n
“Bluetooth”
n
On
●
“Settings”
n
“Privacy”
n
“Bluetooth
Sharing”
n
“CASIO WATCHES”
n
On
Android Users
●
Enable Bluetooth.
Other than the above.
Some phones need to have BT Smart
disabled to use CASIO WATCHES. For
details about setting procedures, see your
phone documentation.
On the Home Screen, tap: “Menu”
n
“Settings”
n
“Bluetooth”
n
“Menu”
n
“BT Smart settings”
n
“Disable”.
Operation Guide 5531
23
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