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Operation Guide 3217 3275
E-30
To turn auto receive on and off
1. In the Timekeeping Mode, press D to display the last
successful receive time and date screen (page E-31).
2. Hold down A until the current auto receive setting (ON
or OFF) starts to flash. This is the setting screen.
• Note that the setting screen will not appear if the
currently selected Home City is one that does not
support time calibration reception.
3. Press D to toggle auto receive on (ON) and off
(OFF).
4. Press A to exit the setting screen.
• For information about city codes that support signal
receive, see “To specify your Home City” (page E-14).
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On/Off status
E-31
To check the latest signal reception results
Press D to view the last successful receive time and
date. Press D again to return to the previous screen.
E-32
• The watch is not in the
Timekeeping Mode.
• Your current Home City is not
one of the following: LIS, LON,
MAD, PAR , ROM, BER, STO,
ATH, MOW, HKG, BJS, TPE,
SEL, TYO, HNL, ANC, YVR,
LAX, YEA, DEN, MEX, CHI,
NYC, YHZ, or YYT
• You changed the time setting
manually.
• The DST setting was changed
manually in the World Time
Mode.
• You pressed a button while
signal receive was in progress.
Cannot perform
manual receive.
Auto receive is
turned on, but
the Settings
updated
indicator does
not appear on
the display.
• Enter the Timekeeping Mode
and try again.
• Select LIS, LON, MAD, PAR,
ROM, BER, STO, ATH, MOW,
HKG, BJS, TPE, SEL, TYO,
HNL, ANC, YVR, LAX, YEA,
DEN, MEX, CHI, NYC, YHZ,
or YYT as your Home City
(page E-14).
• Perform manual signal receive
or wait until the next auto
signal receive operation is
performed.
What you should do
Problem Probable Cause
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal reception.
E-33
What you should doProblem Probable Cause
Auto receive is
turned on, but
the Settings
updated
indicator does
not appear on
the display.
• Even if receive is successful,
the Settings updated indicator
will disappear from the display
each day when the first auto
receive operation of the day is
performed.
• Time data (hour, minutes,
seconds) only was received
during the last receive
operation. The Settings updated
indicator appears only when
time data and date data (year,
month, day) are both received.
• Check to make sure the watch
is in a location where it can
receive the signal (page E-17).
E-34
• For further information, see “Important!” (page E-17) and “Radio-controlled Atomic
Timekeeping Precautions” (page E-85).
What you should doProblem Probable Cause
• If the time is one hour off, the
DST setting may be incorrect.
• The Home City code setting is
not correct for the area where
you are using the watch.
• Change the DST setting to
Auto DST (page E-73).
• Select the correct Home City
code (page E-14).
Time setting
is incorrect
following
signal
reception.
E-35
Tide/Moon Data
In the Tide/Moon Data Mode, you can see the current tide and the current date’s
Moon phase for your Home City. You can specify a date and view tide and Moon data
for that date.
• See “Moon Phase Indicator” (page E-75) for information about the Moon phase
indicator and “Tide Graph” (page E-79) for information about the tide graph.
• All of the operations in this section are performed in the Tide/Moon Data Mode
(page E-10).
Note
• It takes about two seconds to calculate tide graph data. You will not be able to
display a setting screen while data calculation is in progress.
• Moon age is calculated to an accuracy of ±1 day.
E-36
Tide Data
The Tide Graph that appears first when you enter the Tide/Moon Data Mode shows
the data at 6:00 a.m. for your currently selected Home City on the current date,
according to the Timekeeping Mode. From there you can specify another date or time.
• If the tide data is not correct, check your Timekeeping Mode settings and correct
them if necessary.
• If you feel that the information shown by the Tide Graph is different from actual tide
conditions, you need to adjust the high tide time. See “Adjusting the High Tide Time”
(page E-38) for more information.
Moon Data
The Moon phase and Moon age information that appears first when you enter the
Tide/Moon Data Mode shows the data at noon for your currently selected Home City
on the current date, according to the Timekeeping Mode. After that you can specify
another date to view data.
• If the Moon data is not correct, check your Timekeeping Mode settings and correct
them if necessary.
• If the Moon phase indicator shows a phase that is a mirror image of the actual moon
phase in your area, you can use the procedure under “Reversing the Displayed
Moon Phase” (page E-40) to change it.
E-37
Tide/Moon Data Screens
In the Tide/Moon Data Mode, press A to toggle between the tide data screen and the
Moon data screen.
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Tide Data Screen Moon Data Screen
Current tide range
Current
tide level
Month – Day
Moon phase
Time
Moon age
Press A.
▲
▲
Month – Day
E-38
• When you display the Tide Data Screen, it initially shows tide data for 6:00 a.m.
• Use the Tide Data Screen to specify the Tide Data time. You can use D (+) to
change the displayed time in one-hour increments.
• Use the Moon Data Screen to specify the Tide/Moon Data date. You can use D (+)
to change the displayed date in one-day increments. Pressing D will display the
year of the displayed date.
Adjusting the High Tide Time
Use the following procedure to adjust the high tide time within a particular date. You
can find out high tide information for your area from a tide table, the Internet, or your
local newspaper.
E-39
To adjust the high tide time
1. In the Tide/Moon Data Mode, hold down A until the
hour digits start to flash.
2. Use D (+) and B (–) to change the hour setting.
3. When the hour is the setting you want, press C.
• This will cause the minute digits to flash.
4. Use D (+) and B (–) to change the minute setting.
5. When the minute setting is the way you want, press A
to exit the adjustment screen and return to the Tide/
Moon Data Mode screen.
• Pressing D and B at the same time while the time
adjustment screen is displayed (steps 2 through 5
above) will return the high tide time to its initial factory
default setting.
• The high tide time setting is not affected by the DST
(summer time) setting of the Timekeeping Mode.
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Hour
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Minute
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