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Swapping your Home City and World Time City
You can use the procedure below to swap your Home City and World Time City. This capability can come
in handy when you frequently travel between two locations in different time zones.
The following example shows what happens when the Home City and World
Time City are swapped while the Home City originally is TOKYO (TYO) and
the World Time City is NEW YORK (NYC).
Before swapping
After swapping
To swap your Home City and World Time City
Hold down A for about three seconds.
This will make the World Time City ( NEW YORK in this example) your new Home City. At the same
time, it will change your previous Home City to your new World Time City.
The x x Second Hand will point to your new the Home City (NEW YORK in this example) for about one
second.
Note
If your current World Time City supports time calibration signal reception, making it your Home City
enables calibration signal reception for that city.
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To measure split times
A
B
Display of normal
measurement returns after
Start
Split
5 seconds.
Pressing B again while a split time is indicated will cause the hands to jump to a new (current) split
time.
Pressing A while a split time is indicated will stop the elapsed time operation, causing the hands to
jump to the stop time.
Note
The Stopwatch Mode can indicate elapsed time up to 1 hour, 59 minutes, 59.95 seconds. Elapsed time
measurement will stop automatically when the maximum time is reached.
The display illustration on page E-33 shows a stopwatch reading of 20 minutes, 45.10 seconds.
Pressing B will not perform a reset operation while the hands are moving to elapsed timekeeping after
you enter the Stopwatch Mode.
The , Lower Dial Hand indicates the 1/20 (0.05)-second count for the fi rst 30 seconds of a stopwatch
elapsed time operation. The x Second Hand will jump to the current value whenever A (Stop) is
pressed.
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If you do not perform any operation with the crown for about two minutes after pulling it out, crown
operations will become disabled and the watch hands will no longer move when you rotate the
crown. If this happens, push the crown back in and then pull it out again.
To start an Auto Start operation
1.
In the Stopwatch Mode with the elapsed time reset to all zeros, press
This causes the b Small Minute Hand, n Small Hour Hand, and m Small Hour Hand (24-hour) to
move to the current Auto Start time.
Press B to toggle between the normal stopwatch screen and the Auto Start time screen.
2.
While the Auto Start time is indicated by the hands, press
This starts the countdown from the Auto Start time.
For information about button operations after the Auto Start starts elapsed time measurement, see
"To measure elapsed time" (page E-33) and "To measure split times" (page E-34).
Note
To interrupt the countdown and immediately start the elapsed time operation, press A.
You can perform all normal stopwatch button operations after the elapsed time operation starts.
Auto Start is turned off automatically when you reset the stopwatch to all zeros after the current elapsed
time operation. However, you can recall the last Auto Start time you set by pressing B.
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To adjust home positions
1.
Pull out the crown to the second click.
B depressed for more than fi ve seconds. This will cause the
2.
Keep
x Second Hand to move to 12 o'clock.
Release B when the x Second Hand moves to 12 o'clock. This will start
automatic correction of the x Second Hand, c Minute Hand, and z Hour
Hand home positions.
Adjustment is complete when the x Second Hand, c Minute Hand, and
z Hour Hand move to 12 o'clock.
C.
3.
Press
The z Hour Hand will start to move in order to advance the . Day
Indicator.
Wait until the . Day Indicator stops between 31 and 1.
. Day Indicator is not between 31 and 1, rotate the crown until it
4.
If the
does.
Rotating the crown causes the z Hour Hand to move in 12-hour
increments, and the . Day Indicator to move in half-day increments.
5.
After confi rming that the
press C. This will advance to b Small Minute Hand home position
adjustment.
If the b Small Minute Hand moves to 12 o'clock, it is in the correct home
position. If it doesn't, rotate the crown to move it to 12 o'clock.
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Operation Guide 5285 (OC)
Home City
World Time City
TOKYO (TYO)
NEW YORK (NYC)
10:08 p.m.
9:08 a.m.
(Standard time)
(Daylight saving time)
NEW YORK (NYC)
TOKYO (TYO)
9:08 a.m.
10:08 p.m.
(Daylight saving time)
(Standard time)
A
B
Stop
Reset
B.
A.
. Day Indicator is at the proper home position,
Using the Stopwatch
The stopwatch measures elapsed time and split times.
Hand Functions
b b Small Minute Hand: Indicates the stopwatch seconds count.
n n Small Hour Hand: Indicates the stopwatch minute count
m m Small Hour Hand (24-hour): Indicates the stopwatch minute count
, , Lower Dial Hand: Indicates the 1/20 (0.05)-second count during stopwatch
To enter and exit the Stopwatch Mode
In the Dual Time Mode, press C to enter the Stopwatch Mode.
The , Lower Dial Hand will move to 0.
To measure elapsed time
A
A
B
Start
Stop
Reset
Pressing A to restart the stopwatch without resetting it will resume the elapsed time operation from
where it was last stopped.
Auto Start
Auto Start starts a countdown from a specifi ed start time (Auto Start time), and automatically starts
elapsed time measurement when the countdown reaches zero.
Hand Functions
b b Small Minute Hand: Auto Start seconds
n n Small Hour Hand: Auto Start minutes (0 to 60)
m m Small Minute Hand (24-hour): Auto Start minutes (0 to 119)
To set the Auto Start Time
You can specify an Auto Start time within the range of 0 to 119 minutes and
59 seconds.
1.
In the Stopwatch Mode, pull out the crown to the fi rst click.
2.
Rotate the crown to specify the Auto Start time seconds setting.
You can use high-speed movement (page E-3) when performing the
above step.
Changing the seconds setting will also cause the minutes setting to
change.
C.
3.
Press
4.
Rotate the crown to specify the Auto Start time minutes setting.
You can use high-speed movement (page E-3) when performing the
above step.
5.
Push the crown back in.
Adjusting Home Positions
Strong magnetism or impact can cause the hands and/or day setting to be off, even if the watch is able to
perform the signal receive operation.
The watch automatically corrects for deviation of the x Second Hand, c Minute Hand, and z Hour
Hand. You also can trigger hand position adjustment manually, if you want.
The v Hour Hand (24-hour) is adjusted simultaneously with the z Hour Hand.
If you note that the position of the b Small Minute Hand, n Small Hour Hand, m Small Hour Hand (24-
hour), , Lower Dial Hand, or . Day Indicator is off, trigger home position adjustment manually.
The m Small Hour Hand (24-hour) is adjusted simultaneously with the n Small Hour Hand.
Note
Any time after you enter the home position adjustment mode in step 1 of the following procedure, you
can return to the Dual Time Mode by pushing the crown back in. In this case, any adjustments you
made before the watch returned to the Dual Time Mode will be applied.
Leaving the crown pulled out for more than approximately 30 minutes without performing any operation
will automatically cause crown operations to become disabled. If this happens, press the crown back
in, pull it out, and then start the operation over again.
Pushing the crown back in will return to the Dual Time Mode, with any hand adjustments you have
made up to that point in effect.
b Small Minute Hand is at the proper home position, press C. This will
6.
After confi rming that the
advance to n Small Hour Hand home position adjustment.
If the n Small Hour Hand moves to 12 o'clock, it is in the correct home position. If it doesn't, rotate
the crown to move it to 12 o'clock.
The m Small Hour Hand (24-hour) moves simultaneously with the n Small Hour Hand. If the hands
are not at 12 o'clock, advance the n Small Hour Hand until they do.
n Small Hour Hand is at the proper home position, press C. This will
7.
After confi rming that the
advance to , Lower Dial Hand home position adjustment.
If the , Lower Dial Hand moves to 12 o'clock, it is in the correct home position. If it doesn't, rotate
the crown to move it to 12 o'clock.
8.
Push the crown back in to return to the mode you entered from.
This will cause the hands to return to their normal positions and resume regular timekeeping. Wait
until everything stops moving before performing any other operation.
(1 revolution = 60 minutes).
(1 revolution = 120 minutes).
operation.
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E-37
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