Useful Features; Time Adjustment - Casio 5639 Operation Manual

Power Saving
●
Leaving the watch in a dark location for about
one hour between the hours of 10 p.m. and
5:50 a.m. will cause the second hand to stop,
and the watch to enter Level 1 power saving.
If the watch is left in this condition for six or
seven days, all hands will stop and the watch
will enter Level 2 power saving.
Level 1 :
Basic timekeeping functions are operational.
Level 2 :
Only the day indicator is operational.
Note
Note that the watch also may enter the
●
power saving state if its face is blocked
from light by your sleeve while you are
wearing it.
The watch will enter power saving
●
when it is in one of the modes below.
Calendar Mode
ー
Stopwatch Mode (reset to all zeros)
ー
Recovering from Power Saving
●
Operation
Press any button, perform a crown operation,
or place the watch in a well-lit area to recover
from power saving.
Operation Guide 5639

Useful Features

Pairing the watch with your phone makes a
number of the watch's features easier to use.
Auto time adjustment
Auto Time Adjustment
l
Selection of More Than 300 World Time
cities
Configuring World Time Settings
l
In addition, a number of other watch settings
can be configured using your phone.
To transfer data to a watch and to
configure settings, you first need to pair
the watch with your phone.
Getting Ready
l
Your phone needs to have the CASIO
●
"EDIFICE Connected" app installed to pair
with the watch.

Time Adjustment

Your watch can connect with a phone to obtain
information that it uses to adjust its date and
time setting.
Important!
Disable auto time adjustment
●
whenever you are in a hospital, inside
an aircraft, or in any other area where
use of a phone is prohibited or
restricted.
Using the Watch in a Medical
l
Facility or Aircraft
Referring to the information below, configure
the time setting in accordance with the method
that suits your own lifestyle.
Do you use a phone?
Time adjustment by connecting with your
phone is recommended.
Auto Time Adjustment
l
Other than the above.
You can adjust time settings by
performing operations on the watch.
Using Watch Operations to Adjust the
l
Time and Day Settings
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