Casio 5638 Operation Manual page 20

Auto Time Adjustment by
Bluetooth Connection (Time
Adjustment)
Q1
When does the watch adjust its time?
Your watch can connect with a paired phone
to adjust its time setting. Auto time adjustment
is performed at the times described below.
After your phone's time zone or summer
●
time setting is changed
After 24 hours or more have passed since
●
the last time adjustment using Bluetooth
connection
After 24 hours or more have passed since
●
city swapping using EDIFICE Connected or
watch operation
After 24 hours or more have passed since
●
the last home city change or time
adjustment using watch operation
Q2
Auto time setting is not correct.
Is displayed?
e
To preserve battery power, the watch will
automatically terminate Bluetooth
connection with your phone temporarily if
it detects the connection has been unused
for approximately one hour. Auto Time
Adjustment is disabled while there is no
connection. To reconnect, press any
watch button or angle the watch towards
your face.
Have 24 hours or more passed since the
last time adjustment using Bluetooth
connection?
Time adjustment using Bluetooth
connection is performed once every 24
hours. Auto time adjustment will be
performed when 24 hours or more have
elapsed since the last time adjustment
operation.
Have 24 hours or more has passed since
the last manual time adjustment, city
change, or city swapping operation?
Auto time adjustment is not performed for
24 hours after a manual time adjustment,
city change, or city swapping operation.
Auto time adjustment will resume after 24
hours or more have elapsed after either of
the above operations is performed.
Is the watch's Airplane Mode enabled?
Connection with your phone is not
possible while the watch's Airplane Mode
is enabled. To connect with your phone,
disable the Airplane Mode.
Using the Watch in a Medical Facility or
l
Aircraft
Operation Guide 5638
Q3
The watch does not synchronize its
time setting with my phone when I
hold down (D) for at least two
seconds.
Connection with your phone is not possible
while the watch's Airplane Mode is enabled.
To connect with your phone, disable the
Airplane Mode.
Using the Watch in a Medical Facility or
l
Aircraft
Q4
Time is not displayed correctly.
The phone's time setting may be incorrect
because it is unable to connect with its
network due to being out of range, etc. If this
happens, connect the phone to its network
and then adjust the time setting.
Appointment timer
Q1
How do I disable the appointment
timer notification sound?
Use the procedure below to disable the
appointment timer notification sound.
Enabling or Disabling the Appointment
l
Timer Notification Sound
Q2
The appointment timer notification
sound does not sound.
Is appointment timer notification sound turned
on? If it isn't, turn it on so it will sound.
Enabling or Disabling the Appointment
l
Timer Notification Sound
Q3
The appointment timer function does
not work.
The appointment timer becomes disabled if
you manually adjust the watch's time setting.
Before using the Schedule Timer, connect the
watch with your phone and sync their time
settings.
Connecting with a Phone
l
Q4
[--:-- END] remains on the display
and I cannot use the appointment
timer even though settings are
configured to allow use of the
appointment timer.
Have you adjusted time settings
manually?
The appointment timer becomes disabled
if you manually adjust the watch's time
setting. Before using the Schedule Timer,
connect the watch with your phone and
sync their time settings.
Connecting with a Phone
l
Is the appointment scheduled within 24
hours from your current time?
Up to five appointments, scheduled within
24 hours from your current time are sent
from your phone to the watch.
Alarms
Q1
The alarm does not sound.
Is the alarm setting turned on? If it isn't, turn it
on so it will sound.
Configuring Alarm Settings
l
Battery
Q1
is flashing on the digital display.
This indicates that battery power is getting
low.
Have the battery replaced.
Battery Replacement
l
Q2
[R] is flashing on the digital display.
[R] may appear on the display when the
watch's battery power is low, or if you use the
light or other function a number of times during
a short period, which momentarily causes the
battery level to go low. If this happens, all
watch functions, except for timekeeping, are
disabled.
If [R] remains on the display or if it keeps
appearing, it may indicate that the battery
needs to be replaced.
20