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Operation Guide 5075 (OC)
To get ready for a receive operation
Confirm that the watch is in the Timekeeping Mode. If it isn’t, hold down 1. C for about two seconds to enter
the Timekeeping Mode.
The antenna of this watch is located on its 6 o’clock side. Position the watch with 6 o’clock facing towards a 2.
window as shown in the nearby illustration. Make sure there are no metal objects nearby.
6 o’clock
or
Signal reception normally is better at night. •
The receive operation takes from two to seven minutes, but •
in some cases it can take as long as 14 minutes. Take care
that you do not perform any button operation or move the
watch during this time.
Signal reception may be difficult or even impossible under the conditions described below. •
Inside or among
buildings
Inside a vehicle Near household
appliances,
office equipment,
or a mobile
phone
Near a
construction
site, airport, or
other sources of
electrical noise
Near high-
tension power
lines
Among or behind
mountains
What you should do next depends on whether you are using Auto Receive or Manual Receive.3.
Auto Receive: Leave the watch over night in the location you selected in step 2. See “Auto Receive” for •
details.
Manual Receive: Perform the operation under “To perform manual receive”. •
Auto Receive
With Auto Receive, the watch performs the receive operation each day automatically up to six times (up to •
five times for the Chinese calibration signal) between the hours of midnight and 5 a.m. (according to the
Timekeeping Mode time). When any receive operation is successful, none of the other receive operations
for that day are performed.
When a calibration time is reached, the watch will perform the receive operation only if it is in the •
Timekeeping Mode or World Time Mode. The receive operation is not performed if a calibration time is
reached while you are configuring settings.
To perform manual receive
In the Timekeeping Mode, keep 1. A depressed (for about two seconds) as the
x Second Hand goes through
the following sequence.
Moves to • YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to
READY (R).
The 2.
x Second Hand indicates the operations the watch is currently performing.
When the x Second Hand is
pointed here:
It means this:
READY (R) Watch is setting up for reception.
WORK (W) Reception is in progress.
YES (Y) Reception was completed successfully.
NO (N) Reception failed for some reason.
If signal reception is unstable, the • x Second Hand may move between WORK
(W) and READY (R).
The receive operation is complete when the 3.
x Second Hand moves to YES (Y)
or NO (N) for about five seconds, and then resumes normal timekeeping.
You can return to the Timekeeping Mode manually by pressing • A while the
x Second Hand is pointing to YES (Y) or NO (N).
When the receive operation is successful, the watch adjusts the time setting •
accordingly. It does not adjust the setting if the operation failed.
Note
To interrupt a receive operation and return to the Timekeeping Mode, press •
any button.
To check the result of the latest receive operation
In the Timekeeping Mode, press A.
The •
x Second Hand will move to YES (Y) for five seconds if the latest receive
operation was successful, or NO (N) if it was not. After that, normal timekeeping
will resume.
You can return to the Timekeeping Mode manually by pressing • A while the
x Second Hand is pointing to YES (Y) or NO (N).
Note
The •
x Second Hand will indicate NO (N) if you have adjusted the time or date
setting manually since the latest receive operation.
Radio-controlled Atomic Timekeeping Precautions
Strong electrostatic charge can result in the wrong time setting. •
Even if a receive operation is successful, certain conditions can cause the time setting to be off by up to •
one second.
The watch is designed to update the date and day of the week automatically for the period January 1, 2000 •
to December 31, 2099. Updating of the date by signal reception will no longer be performed starting from
January 1, 2100.
If you are in an area where signal reception is not possible, the watch keeps time with the precision noted •
in “Specifications”.
The receive operation is disabled under any of the following conditions. •
While power is at Level 2 or lower −
When the watch is in the function sleep state (“Power Saving”) −
Mode Reference Guide
Your watch has three “modes”. The mode you should select depends on what you want to do.
To do this: Enter this mode:
View the current time in your Home City and in one of 29 other cities around the •
globe
View the current date in the Home City •
Configure Home City and daylight saving time (DST) settings •
Perform a time calibration receive operation •
Configure time and date settings manually •
Timekeeping Mode
Use the stopwatch to measure elapsed time Stopwatch Mode
Select one of 29 cities (time zones) around the world and view the current time there •
Select daylight saving/summer time (DST) or standard time for a time zone •
World Time Mode
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Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
To determine the watch’s current mode
Check the position of the
n Right Dial Hand as shown under “To select a mode”.
To return to the Timekeeping Mode from any other mode
Except while the watch is performing auto hand home position correction, hold
down C for about two seconds until the
x Second Hand returns to 12 o’clock.
To select a mode
Press C to cycle between the modes as shown below. The
n Right Dial Hand
indicates the currently selected mode.
Timekeeping Mode Stopwatch Mode
The hand indicates the day of the
week (Su, Mo, Tu, We, Th, Fr, Sa).
The hand points to 0 (at 12 o’clock).
C
6
The hand points to STD or DST.
World Time Mode
Timekeeping
Use the Timekeeping Mode to view the current time and date. To enter the Timekeeping Mode from any other
mode, hold down C for about two seconds.
Hand Functions
z Hour Hand
x Second Hand
c Minute Hand
v 24-hour Hand
b Left Dial Hands: Indicate the current time in the World Time City in 24-hour
format.
n Right Dial Hand: Indicates the day of the week.
m Day
Configuring Home City Settings
There are two Home City settings: actually selecting the Home City and selecting either standard time or
daylight saving time (DST).
To configure Home City settings
Note
This watch does not have a city code that corresponds to Newfoundland. •
In the Timekeeping Mode, keep 1. A depressed (for about five seconds) as the
x Second Hand goes through the following sequence.
Moves to • YES (or Y for some models) or NO (N) to indicate the last signal
reception result, then to READY (R), and then to the city code of the currently
selected Home City.
This is the city code setting mode. •
The watch will exit the setting mode automatically if you do not perform any •
operation for about two or three minutes.
For details about city codes, see the “City Code Table”. •
To change the Home City setting, press 2. D to move the
x Second Hand
clockwise.
Keep pressing • D until the
x Second Hand is pointing at the city code you
want to select as your Home City.
Each time you change the city code setting, the •
z Hour Hand, c Minute
Hand,
v 24-hour Hand and m Day move to the current time and date for that
city code. Do not perform the next operation until these hands stop moving.
Press 3. B to toggle the time for the currently selected city code between STD (standard time)/DST (daylight
saving time).
While you are selecting the Home City code, the •
n Right Dial Hand will indicate whether the currently
selected city code is configured for standard time (STD) or daylight saving/summer time (DST).
Note that you cannot switch between • STD (standard time)/DST (daylight saving time) while UTC is
selected as your Home City.
After all the settings are the way you want, press 4. A to return to the Timekeeping Mode.
To toggle the Home City time between standard time and daylight saving time
Perform the step 1 under “To configure Home City settings”.1.
Each time you select a city code, the •
z Hour Hand, c Minute Hand, and v 24-hour Hand move to the
current time for that city code. Do not perform the next operation until these hands stop moving.
While you are selecting the Home City code, the •
n Right Dial Hand will indicate whether the currently
selected city code is configured for standard time (STD) or daylight saving/summer time (DST).
Press 2. B to toggle the time for the city code of the currently selected Home City between STD (standard
time)/DST (daylight saving time).
Note that you cannot switch between • STD (standard time)/DST (daylight saving time) while UTC is
selected as your Home City.
After the setting is the way you want, press 3. A to return to the Timekeeping Mode.
Note
After you specify a city code, the watch will use UTC* offsets to calculate the World Time based on the •
current time in your Home City.
Coordinated Universal Time, the world-wide scientific standard of timekeeping. The reference point for *
UTC is Greenwich, England.
Selecting some city codes automatically makes it possible for the watch to receive the time calibration •
signal for the corresponding area. See “Radio Controlled Atomic Timekeeping” for details.
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