Casio 5659, Operation Manual, Page: 16 / 28

3.
Keep pressing (C) until the setting you
want to change is flashing.
●
Each press of (C) moves the flashing to
the next setting in the sequence shown
below.
Power Saving
Auto adjust
Illumination duration
Operation tone enable/disable
Day of the week language
Date display format
12/24-hour timekeeping
Day
Month
Year
Minutes
Hours
Seconds
Summer time
Home City
4.
Configure the date and time settings.
●
To reset the seconds to 00: Press (D).
1 is added to the minutes when the
current count is between 30 and 59
seconds.
●
Use (B) and (D) to change the other
settings.
5.
Repeat steps 3 and 4 to select time and
date settings.
6.
Press (A) to complete the setting
operation.
●
Switching between 12-hour and 24-
hour Timekeeping
You can specify either 12-hour format or 24-
hour format for the time display.
1.
Enter the Timekeeping Mode.
l
Navigating Between Modes
2.
Hold down (A) for at least two seconds.
Release the button when the name of the
currently selected Home City appears on
the display.
●
This is the setting mode. The hands
automatically shift out of the way for
easy viewing of the display and other
indicators.
Home City
3.
Press (C) eight times.
This causes [12H] or [24H] to flash on the
display.
4.
Press (D) to toggle the setting between
[12H] (12-hour timekeeping) and [24H]
(24-hour timekeeping).
24-hour
timekeeping
12-hour
timekeeping
5.
Press (A) to complete the setting
operation.
Using the Watch in a Medical
Facility or Aircraft
Whenever you are in a hospital, on an aircraft,
or in any other location where connection with
a phone may cause problems, you can
perform the procedure below to disable auto
time adjustment. To re-enable auto time
adjustment, perform the same operation
again.
1.
Enter the Timekeeping Mode.
l
Navigating Between Modes
2.
Hold down (A) for at least two seconds.
Release the button when the name of the
currently selected Home City appears on
the display.
●
This is the setting mode. The hands
automatically shift out of the way for
easy viewing of the display and other
indicators.
Home City
3.
Press (C) 13 times.
This displays [RCVD].
4.
Press (D) to toggle between the auto time
adjustment settings.
[OFF]: Auto time adjustment disabled.
[ON]: Auto time adjustment enabled.
5.
Press (A) to complete the setting
operation.
Note
●
The auto time adjustment setting can
be changed only while the watch is
paired with a phone.
Watch Operation Guide 5659
16