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Casio 4323 Operation Manual

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MA0811-EA
Before using the watch...
Expose the watch to light.
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 fi rst time. For information about charging time, see "Power Supply."
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.
Sleep Level 2
Sleep Level 2 is triggered whenever the watch is left in the dark while in Sleep Level 1 for six or seven
days.
• Hour, minute, and second hands stopped at 12 o'clock
• Auto Receive disabled
• Timekeeping continues internally.
General Guide
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.
I To check the result of the last signal receive operation
During normal timekeeping, press the A button.
• 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.
Operation Guide 4323 (GMS)
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.
• 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.
Leave the watch under fl uorescent lighting, near a
window, etc.
How the solar cell and battery work
While the watch is exposed to light...
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
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.
Dead Battery
The following conditions apply when the battery is dead.
• Timekeeping stops.
• 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.
• Try to keep the watch exposed to light as much as possible during
normal use.
Charging Guide
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)
Sunlight through a Window (10,000 lux)
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
Exposure Level (Brightness)
Outdoor Sunlight (50,000 lux)
Sunlight through a Window (10,000 lux)
Daylight through a Window on an Overcast Day (5,000 lux)
Indoor Fluorescent Lighting (500 lux)
• Note that the above charging times are for reference only. Actual charging time depends on a variety of
environmental factors.
• When wearing the watch, try to keep your
sleeve from blocking its face, where the solar
cell is located.
Charging effi ciency is reduced signifi cantly
even if the face of the watch is covered only
partially by your sleeve.
While the watch is not exposed to light...
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.
Charging Time
9 minutes
32 minutes
51 minutes
8 hours
Charging Time
Until Hand
Until Full Charge
Movement Restarts
3 hours
19 hours
9 hours
68 hours
14 hours
110 hours
146 hours
− − −
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Table of Contents

   Summary of Contents for Casio 4323

  • Page 1 Operation Guide 4323 (GMS) MA0811-EA 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.
  • Page 2: Troubleshooting

    Operation Guide 4323 (GMS) What is a radio-controlled watch? How a Radio-controlled Watch Works A radio-controlled watch is designed to receive a time calibration signal that contains standard time data and adjust its current time setting accordingly. Signal Reception There are two methods you can use in order to receive the time calibration signal.
  • Page 3 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 If the time setting of your watch is not correct even though time calibration signal reception is being receive a time calibration signal for some reason.

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