MA0811-EA
Operation Guide 4323 (GMS)
Before using the watch...
Power Supply (Charging)
Your watch runs on electrical power generated from light, which is stored by a chargeable battery.
To ensure stable operation, make sure that the watch is exposed to light as much as possible.
Expose the watch to light.
• Whenever you are not wearing the watch on your
wrist, position it so the face (solar cell) is pointed
in the direction of a source of bright light.
• When wearing the watch, try to keep your
sleeve from blocking its face, where the solar
cell is located.
Your watch runs on electrical power generated from light, which is stored by a chargeable battery. Long-
term storage of the watch can cause power to run low, so be sure to expose the watch to light for some
time before using it for the first time. For information about charging time, see “Power Supply.”
3OLAR CELL
,IGHT
Power Saving
Power Saving causes the watch to enter a sleep state automatically and stop movement of the analog
hands in order to save power whenever the watch is left in the dark.
The watch will exit the sleep state if you expose it to light or perform any button operation.
• Note that the watch also may enter the sleep state and stop if its face is blocked from light by your
sleeve.
How the sleep state works
Sleep Level 1
Sleep Level 1 is triggered whenever the watch is left in the dark for about one hour any time between the
hours of 10 p.m. and 6 a.m.
• The second hand will stop at 12 o’clock.
• The hour and minute hands continue to operate normally.
Leave the watch under fluorescent lighting, near a
window, etc.
Charging efficiency is reduced significantly
even if the face of the watch is covered only
partially by your sleeve.
How the solar cell and battery work
While the watch is exposed to light...
Sleep Level 2
While the watch is not exposed to light...
Sleep Level 2 is triggered whenever the watch is left in the dark while in Sleep Level 1 for six or seven
days.
,IGHT
3OLAR CELL
ꢀ,IGHT CHARGES
THE BATTERYꢁ
• Hour, minute, and second hands stopped at 12 o’clock
• Auto Receive disabled
• Timekeeping continues internally.
%LECTRICAL ENERGY
$ISCHARGE
#HARGE
2ECHARGEABLE
BATTERY
2ECHARGEABLE
BATTERY
General Guide
0OWER SUPPLIED TO WATCH
0OWER SUPPLIED TO WATCH
Your watch continues to operate even when
it is not exposed to light. Leaving the watch in
the dark can run down its battery and cause
functions to become disabled.
-ANUAL 2ECEIVE
ꢀ!BOUT ꢁ SECONDS
OR
(OUR HAND
-INUTE HAND
Charging Precautions
Avoid charging the watch in the following locations, and anywhere else where the watch may become
very hot.
• On the dashboard of an automobile parked in the sun
• Very close to an incandescent light source or other sources of heat
• In a location exposed to direct sunlight for long periods
4O CHECK THE RESULT OF THE
LAST RECEIVE OPERATION
7HILE RECEPTION
IS IN PROGRESS
!T THE START OF THE
RECEIVE OPERATION
Depending on the light source you are using, the case of the watch may become quite
hot when charging. Take care to guard against burn injury after charging.
3ECOND HAND
Dead Battery
3UCCESSFUL
5NSUCCESSFUL
The following conditions apply when the battery is dead.
• Timekeeping stops.
$EAD "ATTERY
(ANDS STOP AT ꢀꢁ OꢂCLOCK
• Auto receive and manual receive are disabled.
• Second hand stops immediately at 12 o’clock.
• Hour and minute hands stop at 12 o’clock at noon.
• Even if the battery level drops to the point that timekeeping stops, you
still will be able to recharge the battery and use the watch again.
• After you recharge the battery after it drops to a level where
timekeeping stops, the hands will move automatically to the current
time setting.
A button
• Press to view the last receive result.
• Hold down for about two seconds to trigger time calibration signal manually.
B button
• This button is used when correcting hand home positions and when setting the time.
• Try to keep the watch exposed to light as much as possible during
normal use.
To check the result of the last signal receive operation
I
During normal timekeeping, press the A button.
Charging Guide
• This will enter the last signal receive mode. The second hand to move to “Y” (or “YES”) if the last
receive operation was successful or to “N” (or “No”) if the last receive operation was unsuccessful.
• Press the A button to exit the last signal receive mode.
• The watch will exit the last signal receive mode automatically if you do not perform any button operation
for one or two minutes.
Required Charging Time for One Day of Operation
The values in this section are base on six minutes of signal reception and 10 seconds of alarm operation
per day.
Exposure Level (Brightness)
Outdoor Sunlight (50,000 lux)
Charging Time
9 minutes
Sunlight through a Window (10,000 lux)
32 minutes
51 minutes
8 hours
Daylight through a Window on an Overcast Day (5,000 lux)
Indoor Fluorescent Lighting (500 lux)
Making sure the watch is exposed to light ensures stable operation.
Approximate Charge Times Required to Advance to a Higher Level
Charging Time
Exposure Level (Brightness)
Outdoor Sunlight (50,000 lux)
Until Hand
Movement Restarts
Until Full Charge
3 hours
9 hours
19 hours
68 hours
110 hours
− − −
Sunlight through a Window (10,000 lux)
Daylight through a Window on an Overcast Day (5,000 lux)
Indoor Fluorescent Lighting (500 lux)
14 hours
146 hours
• Note that the above charging times are for reference only. Actual charging time depends on a variety of
environmental factors.
1
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Operation Guide 4323 (GMS)
Adjusting the Time Manually
Home Position Adjustment
You can perform the following procedures to adjust the time and date when the watch is unable to
receive a time calibration signal for some reason.
If the time setting of your watch is not correct even though time calibration signal reception is being
performed normally, use the procedure in this section to check the home positions of the hands
and make adjustments as required.
Note that you do not need to perform the following operation if your watch is showing the correct
time.
To enter the adjustment mode
I
During normal timekeeping, hold down the A button for about five seconds until the second hand moves
to “READY” and then to either AM or PM, depending on the current time setting.
To enter the home position adjustment mode
I
.ORMAL 4IMEKEEPING
(OUR AND -INUTE (AND !DJUSTMENT
• During normal timekeeping, hold down the B button and then the A button, keeping both buttons
depressed for about five seconds until the second hand stops in the vicinity of 12 o’clock.
!-
0-
.ORMAL 4IMEKEEPING
3ECOND (AND !DJUSTMENT
(OME 0OSITION ꢀꢃꢄ OꢅCLOCK
s
4HE SECOND HAND IS IN
THE CORRECT POSITION IF IT IS
POINTED AT ꢃꢄ OꢅCLOCKꢂ )F IT
ꢀ!BOUT ꢁ SECONDS
AND
BUTTON
ISNꢅTꢆ USE THE
ADJUST ITꢂ
BUTTON TO
-OVES HOUR AND
MINUTE HANDS
ꢀ#LOCKWISE
ꢀ!BOUT ꢁ SECONDS
BUTTON
-OVES THE SECOND HANDꢂ
ꢀ#LOCKWISE
!-ꢀ0- 3WITCHING
s
3ECONDS RESTART FROM ꢃꢃ
AFTER THE TIME IS ADJUSTEDꢄ
0-
(OUR AND -INUTE (AND !DJUSTMENT
(OME 0OSITION ꢀꢃꢄ OꢅCLOCK
s
4HE HOUR AND MINUTE
HANDS ARE IN THE CORRECT
POSITIONS IF THEY ARE
POINTED AT ꢃꢄ OꢅCLOCKꢂ )F
THEY ARENꢅTꢆ USE THE
BUTTON
!-ꢂ0- SWITCHING
BUTTON TO ADJUST THEMꢂ
BUTTON
• Holding the B button will cause the second hand to start to move at
high speed. To stop high-speed hand movement, press the B button
again. High speed hand movement also will stop automatically if the
hour hand completes one revolution (12 hours).
-OVES HOUR AND
MINUTE HANDS
ꢀ#LOCKWISE
• Holding the B button during second, hour, and minute hand
adjustment will cause the second hand to start to move at high speed.
High-speed movement will continue even if you release the B button.
To stop high-speed hand movement, press the B button again.
High-speed second hand movement will stop automatically after the
hand completes a 60-second revolution. High-speed hour and minute
hand movement will stop automatically after the hands complete a
12-hour cycle.
• The watch will exit the adjustment mode automatically if you do not perform any operation for
about two or three minutes.
• The watch will exit the home position adjustment mode automatically if you do not perform any
operation for about two or three minutes.
3
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