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Operation Guide 4782 (OC)

1

MA0707-EA

Your watch runs on electrical power generated from light and stored
by a chargeable battery. To ensure stable operation, make sure that
the watch is exposed to light as much as possible.

How the solar cell and battery
work

When exposed to light

Power supplied to watch

Solar cell 
(Converts light to power.)

Electrical Energy

Charge

Recharge-
able Battery

Light

When not exposed to light

Power supplied to watch

Discharge 

Recharge-
able Battery

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.

Avoid overuse of display
illumination

Overuse of display illumination can run down the battery.

Power supplied to watch

Discharge 

Recharge-
able Battery

Tips on how to keep the battery
charged

Try to ensure that the watch is always exposed to enough light to
keep its battery indicator at LEVEL 1 or LEVEL 2. Some of the
watch’s functions are disabled when battery power drops to
LEVEL 3.

Level 1

Level 2

Level 3

Level 4

Battery Indicator

All functions 
enabled.

Some functions 
disabled.

Recharge-
able Battery

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.

Light

Solar Cell

Leave the watch under
fluorescent lighting, near a
window, etc.

When wearing the watch, try to keep your sleeve from blocking its
face (solar cell).

Charging efficiency is reduced
significantly even if the face of the
watch is covered only partially by
your sleeve.

Keep your watch exposed to light!

Timekeeping Mode

World Time Mode

Stopwatch Mode 

Hand Setting Mode

Battery Mode 

Alarm Mode

Mode Name

Time

Alarm Time

Alarm Number 

2-second 

interval

Mode Name

Low Battery 
Indicator

City Code

World Time

The watch will revert to the Timekeeping Mode automatically if you
leave it in the Battery Mode, Alarm Mode, or Hand Setting Mode without
performing any operation for about two or three minutes.

Each press of the 

C

C

C

C

C

 button sounds a confirmation tone and

cycles through available modes in the sequence shown below.

Timekeeping Mode 

Switching the Display Screen 

Each press of the 

 button cycles the digital display in the 

sequence shown below. 

Second Hand

Digital Display

Hour Hand

Minute Hand

(Light)

Button

Button

Button

Button

(Changes Display)

English Day of the Week Indicators

SU: Sunday  

MO: Monday  TU: Tuesday 

WE: Wednesday

TH: Thursday   FR: Friday  

SA: Saturday

Or

Calendar Screen

Timekeeping Screen

Seconds Screen

Day of the week 

Day of the week 

Day

Receive Icon 

Second

Minute

Hour

PM indicator 
(no display for AM)

  See “To configure Home City settings” for more 

information. 

Indicates reception 
was successful.

Modes and Indicators

Summary of Contents for 4782 (OC)

Page 1: ...on of a source of bright light Light Solar Cell Leave the watch under fluorescent lighting near a window etc When wearing the watch try to keep your sleeve from blocking its face solar cell Charging efficiency is reduced significantly even if the face of the watch is covered only partially by your sleeve Keep your watch exposed to light Timekeeping Mode World Time Mode Stopwatch Mode Hand Setting ...

Page 2: ...ing the watch to direct sunlight or other strong light may cause the battery level indicator to indicate a level momentarily that is higher than the actual battery level Because of this you should wait for a short while after charging to check the battery level indicator Even if the battery level drops all the way to Level 5 you still will be able to recharge the battery and use the watch again Wh...

Page 3: ...on signal of Japan JJY or of the United States WWVB The signal that is received depends on the current Home City setting For information about selecting a Home City see Configuring Home City Settings See the World Time City Code List for more information about city codes Home City Fort Collins Colorado signal Receivable Transmitter HNL ANC LAX DEN CHI NYC HKG TYO SEL Either the Mt Otakadoya signal...

Page 4: ...ng is the way you want press the A A A A A button This will exit the setting screen and return to the last receive operation time and date At this time the second hand will adjust automatically to the digital time Press the D button to return to the Timekeeping Mode The setting screen also will be exited automatically if you do not perform any operation for about two or three minutes To turn auto ...

Page 5: ...correct the setting of the current time in the Timekeeping Mode See To configure Home City settings for more information World Time City Code List HNL ANC LAX DEN CHI NYC CCS RIO GMT LON PAR BER ATH CAI Honolulu Anchorage Los Angeles Denver Chicago New York Caracas Rio de Janeiro Greenwich Mean Time London Paris Berlin Athens Cairo 11 10 9 8 7 6 5 4 3 2 1 0 0 1 1 2 2 JRS JED THR DXB KBL KHI DEL DA...

Page 6: ... scroll through the alarm screens until the one whose setting you want to configure is displayed 2 Hold down the A A A A A button for about two seconds until the hour digits start to flash This is the setting screen Displaying the setting screen turns on the alarm automatically Alarm Number Hour Minute To turning an alarm or the hourly time signal on and off 1 In the Alarm Mode use the D D D D D b...

Page 7: ...time when measurement was stopped Split Indicator 1 100 second Minute Second Split Time Indicator The split time screen cycles alternately through the split indicator a minute second screen and a 1 100 second screen Using the Stopwatch Configuring Home City Settings You can use the following procedure to set the current time and date of the Home City that you have selected in the Timekeeping Mode ...

Page 8: ...ons to adjust the hour and minute hands Each press of the D button moves the hands 10 seconds clockwise while the B button moves them 10 seconds counterclockwise Holding down either button changes the setting at high speed High speed Lock You can use either of the following two operations to lock high speed hand movement Clockwise Holding down the D button to start high speed hand movement press B...

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