Acquiring Gps Time Information Manually; Leap Seconds - Casio 5411 Operation Manual

Acquiring GPS Time Information
Manually
You can use a button operation on the
watch to receive GPS signal time
information. When the receive operation
is successful, the watch's Home City
(time zone), day, and time settings will be
adjusted accordingly.
Note
GPS signal reception requires
●
large amounts of power.
Perform it only when necessary.
Getting ready
The receive operation is performed only
while the watch is in the Timekeeping
Mode (normal timekeeping).
Normally the mode hand points to the
●
current day of the week.
Navigating Between Modes
l
1. Move to a location appropriate for
signal reception and orient the watch
so its display is pointed straight up at
the sky.
2. Hold down (B) for at least one
second. Release the button as soon
as the second hand points to "T
(TIME)".
The second hand will move in the
●
following sequence: "YES" or
"NO" n "T (TIME)".
This indicates that time
●
information receipt has started.
Second hand
Operation Guide 5411
If information acquisition is
●
successful, the second hand will
move to "YES", and then the watch
will automatically adjust its time
and day settings.
If reception fails for some reason,
●
the second hand will move to "NO"
and then the watch will indicate the
current time and day without
adjusting them.
Note
Reception takes anywhere from
●
about seven seconds to about
one minute.
It can take as long as 13 minutes
●
when leap second information is
included.
Mode
hand
Auto GPS Signal Receive
When the conditions below are satisfied,
the watch will automatically receive a
GPS signal. If any time information
receive is successful, the watch will no
longer attempt to receive a signal for the
rest of the day.
Time data
●
Watch is in the Timekeeping Mode
●
(normal timekeeping).
Current time is between 6:00 a.m. and
●
10:00 p.m.
Light (near a window on a clear day)
●
continually shining on the face of the
watch for about one to two minutes.
Time calibration signal reception was
●
not successful during the previous
evening.
Position information
●
Watch is in the Timekeeping Mode
●
(normal timekeeping).
The watch exited the Airplane Mode.
●
Current time is between 6:00 a.m. and
●
10:00 p.m.
Light (near a window on a clear day)
●
continually shining on the face of the
watch for about one to two minutes.
Note
The time information receive
●
operation takes anywhere from
about seven seconds to one
minute, while position
information acquisition takes
anywhere from about 30
seconds to two minutes.
The receive operation can take
●
as long as 13 minutes when leap
second information is included.

Leap seconds

A GPS signal received on or around June
1 or December 1 each year may also
include leap second information.
Note
The receive operation can take
●
as long as 13 minutes when leap
second information is included.
Once leap second information is
●
successfully received, the
watch will not make any attempt
to receive it again until the next
leap second information is sent
(the following June 1 or
December 1).
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