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Casio 4782 (OC) Operation Manual

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MA0707-EA
Keep your watch exposed to light!
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
Light
Solar cell
(Converts light to power.)
Electrical Energy
Charge
Recharge-
able Battery
Power supplied to watch

Modes and Indicators

Timekeeping Mode
Hour Hand
Minute Hand
Button
Button
(Changes Display)
(Light)
Button
Button
Second Hand
Digital Display
Operation Guide 4782 (OC)
When not exposed to light
Discharge
Recharge-
able Battery
Power 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.
Avoid overuse of display
illumination
Overuse of display illumination can run down the battery.
Discharge
Recharge-
able Battery
Power supplied to watch
Each press of the C
C
C button sounds a confirmation tone and
C
C
cycles through available modes in the sequence shown below.
Switching the Display Screen
Each press of the
button cycles the digital display in the
sequence shown below.
Calendar Screen
Day of the week
Day of the week
Day
Or
• See "To configure Home City settings" for more
information.
Timekeeping Screen
Seconds Screen
Hour
Minute
Second
Receive Icon
Indicates reception
PM indicator
was successful.
(no display for AM)
English Day of the Week Indicators
SU: Sunday
MO: Monday TU: Tuesday
WE: Wednesday
TH: Thursday
FR: Friday
SA: Saturday
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.
Light
Battery Indicator
Level 1
All functions
enabled.
Level 2
Level 3
Some functions
Recharge-
disabled.
Level 4
able Battery
• 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.
Solar Cell
Light
Leave the watch under
fluorescent lighting, near a
window, etc.
Timekeeping Mode
Battery Mode
Low Battery
Indicator
World Time Mode
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.
• 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.
Hand Setting Mode
Mode Name
Stopwatch Mode
Mode Name
Time
Alarm Mode
Alarm Time
2-second
interval
Alarm Number
1

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Summary of Contents for Casio 4782 (OC)

  • Page 1: Modes And Indicators

    Operation Guide 4782 (OC) MA0707-EA • When wearing the watch, try to keep your sleeve from blocking its Tips on how to keep the battery Keep your watch exposed to light! face (solar cell). charged • Try to ensure that the watch is always exposed to enough light to Your watch runs on electrical power generated from light and stored When not exposed to light keep its battery indicator at LEVEL 1 or LEVEL 2.

  • Page 2: Power Supply

    Operation Guide 4782 (OC) Level 3 indicates charging is Charging Precautions Power Supply All functions enabled. required! Level 1 Avoid charging the watch in the following locations, and anywhere else where the watch may become very hot. Battery Level 3 or 4 indicates that remaining battery power is very •...

  • Page 3: Power Saving

    Operation Guide 4782 (OC) Function sleep state Power Saving How a Radio-controlled Watch Works The function sleep state is triggered whenever the watch is left in the dark for four days. • In the function sleep state, alarms, the hourly time signal, analog timekeeping, and auto signal receive are disabled.
  • Page 4 Operation Guide 4782 (OC) ❚ To view the last receive operation date Time Required for Reception When reception fails Analog Hands and Signal In the case of an error, the watch will not adjust its current time and time Reception A receive operation can take anywhere from about two to seven setting, but display “ERR”...

  • Page 5: Using World Time

    Operation Guide 4782 (OC) • Is the watch in any mode other than the Timekeeping Mode or Troubleshooting 5. The digital time and analog time are different. 9. How can I view the last receive operation date and time? World Time Mode during the auto receive times (midnight, 1:00 •...
  • Page 6 Operation Guide 4782 (OC) ❚ To set an alarm time (–) Using the Alarm and Hourly Time Signal Use the C C button to enter the Alarm Mode as Use the D D (+) and B B (–) shown under “Modes and Indicators”. buttons to change the Example: To set Alarm 2 for 3:30 p.m.

  • Page 7: Using The Stopwatch

    Operation Guide 4782 (OC) ❚ To measure elapsed time Using the Stopwatch Use the C C button to enter the Stopwatch Mode as shown Split Time Indicator under “Modes and Indicators”. The split time screen cycles alternately through the split indicator, a minute/second screen, and a 1/100 second Start Stop...
  • Page 8 Operation Guide 4782 (OC) • When setting the hour, make sure you specify AM (no indicator) or c. When the hour, minutes, year, month, or day setting is Configuring Analog Settings Use the D D (+) and B B (–) buttons to change the flashing selected PM (P) correctly when using 12-hour timekeeping, or that you setting.

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