G-Shock GW-4000 - Manual (Page 6)

Operation Guide 5087
E-59
To adjust the home positions
Hold down 1. C for about two seconds until the watch beeps twice and enters the
Timekeeping Mode.
Hold down 2. D for about three seconds until the watch beeps.
E-58
Adjusting the Home Positions Manually
Strong magnetism or impact can cause the hands and/or date of the watch to be
off, even if the watch is able to perform the signal receive operation. If this happens,
perform the applicable home position adjustment procedures in this section.
Hand home position adjustment is not required if the time and day settings are x
correct.
You also can use auto correction of the hand home positions (page E-55) to correct
x
the home positions of the z Hour Hand, c Minute Hand, and x Second Hand.
Note
Any time after you enter the home position adjustment mode in step 1 of the following
procedure, you can return to the Timekeeping Mode by pressing
A. The watch also
will return to the Timekeeping Mode automatically if you do not perform any operation
for about two or three minutes in home position adjustment mode. In either case, any
adjustments you made before the watch returned to the Timekeeping Mode will be
applied.
E-57
If you release x D when the x Second Hand stops the fi rst time (after about three
seconds) in the above operation, the watch will enter the home position adjustment
mode, which is described under “Adjusting the Home Positions Manually” (page
E-58). If this happens, press
A to return to the Timekeeping Mode and then
perform the above operation again.
Manually triggered auto correction of hand home positions performs the following
x
two steps.
The hands will move automatically in order to determine the home positions of the 1.
watch.
After the hand home positions are determined, the watch will return to normal 2.
timekeeping automatically. This completes the correction operation.
E-56
If hand positions are off by one hour or more, correct them using the procedure x
under “To trigger auto correction of hand home positions” (page E-56) or “Adjusting
the Home Positions Manually” (page E-58).
To trigger auto correction of hand home positions
Perform the following procedure when the time setting x
is off.
In the Timekeeping Mode, hold down D for about six
seconds until the x Second Hand completes one full
revolution.
Though the x x Second Hand will stop momentarily
about three seconds after you hold down D, do not
release the button yet. Wait until the x Second Hand
completes a full revolution before you release D.
To interrupt an ongoing correction operation and return x
to the Timekeeping Mode, press D again.

@
E-55
Auto Correction of Hand 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. Auto correction of hand
home positions correct the hand position automatically.
Auto correction is performed in the Timekeeping Mode only. x
Auto correction corrects the positions of the x z Hour Hand, c Minute Hand, and x
Second Hand. For the dial hands and day, you must perform the manual adjustment
procedure under “Adjusting the Home Positions Manually” (page E-58).
Each hour, the watch performs automatic correction of the hand positions from –55
x
minutes to +5 minutes.
You also can trigger auto correction of hand home positions manually, if you want.
x
See “To trigger auto correction of hand home positions” (page E-56) for more
information.
Auto correction of hand home positions can take up to three and a half minutes to
x
complete.
E-54
To change the alarm time setting
Use 1. C to move the n Right Dial Hand to ALM.
Use 2. D (+) and B (–) to change the alarm time setting.
Each press of either button will move the x b Left Dial Hands one minute.
Holding down x D or B will start high-speed hand movement in the applicable
direction. To stop high-speed hand movement, press any button.
The alarm always works based on the time kept in the Timekeeping Mode.
x
The watch will return to the Timekeeping Mode automatically if you do not x
perform any operation in the Alarm Mode for about two or three minutes.
To turn the alarm on or off
In the Alarm Mode, press
A to toggle the alarm on and off. The x Second Hand will
indicate the current ON/OFF setting.
To stop the alarm
Press any button.
E-53
Using the Alarm
When the alarm is turned on, an alarm will sound for about 10 seconds each day
when the time in the Timekeeping Mode reaches the preset alarm time. This is true
even if the watch is not in the Timekeeping Mode.
Hand Functions
x Second Hand:
Indicates the current alarm ON/OFF setting.
b Left Dial Hands:
Indicate the current alarm time setting in 24-hour
format.
n Right Dial Hand: Points to ALM.

@
* 6
E-52
After swapping the Home City and World Time City, the watch will stay in the x
World Time Mode. The x Second Hand will point to your new World Time City
(TYO in this example).
The
x b Left Dial Hands will indicate the current time in your new World Time City.
Note
If your current World Time City supports time calibration signal reception, making it x
your Home City enables calibration signal reception for that city.
E-51
To swap your Home City and World Time City
In the World Time Mode, use 1. D to select the World
Time City you want.
In this example, you would move the x x Second Hand
to NYC in order to select New York as the World
Time City.
Wait until the
x b Left Dial Hands complete their move
to the time in the currently selected World Time
City. You will not be able to perform step 2 of this
procedure until the hands stop moving.
Hold down 2. B for about three seconds until the watch
beeps.
This will make the World Time City ( x NYC in this
example) your new Home City. At the same time, it
will change the Home City you had selected prior to
step 2 (TYO in this example), to your World Time City.

@ *
E-50
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 TYO (Tokyo) and the World Time
City is NYC (New York).
Home City World Time City
Before
swapping
Tokyo
10:08 p.m.
(Standard time)
New York
9:08 a.m.
(Daylight saving time)
After
swapping
New York
9:08 a.m.
(Daylight saving time)
Tokyo
10:08 p.m.
(Standard time)

@