Operation Guide 3405
MO1206-EA
© 2012 CASIO COMPUTER CO., LTD.
E-1
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
purchase, be sure to read this manual carefully.
Keep the watch exposed to bright light
The electricity generated by the solar panel of the watch is
stored by a rechargeable battery. Leaving or using the
watch where it is not exposed to light causes the battery
to run down. Make sure the watch is exposed to light as
much as possible.
• When you are not wearing the watch on your wrist,
position the face so it is pointed at a source of bright
light.
• You should try to keep the watch outside of your sleeve
as much as possible. Charging is reduced significantly if
the face is covered only partially.
l
l
l
l
l
l
l
l
l
l
l
Bright Light
Solar panel
E-2
All
functions
enabled
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
Charge
Rechargeable battery
Bright Light
Electrical
energy
Solar panel
(Converts light to
electrical power.)
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
Some or all
functions
disabled
Dis-
charge
Battery charges in the light. Battery discharges in the dark.
• The watch continues to operate, even when it is not exposed to light. Leaving the
watch in the dark can cause the battery to run down, which will result in some watch
functions to be disabled. If the battery goes dead, you will have to re-configure watch
settings after recharging. To ensure normal watch operation, be sure to keep it
exposed to light as much as possible.
E-3
• The actual level at which some functions are disabled depends on the watch model.
• Frequent display illumination can run down the battery quickly and require charging.
The following guidelines give an idea of the charging time required to recover from a
single illumination operation.
Approximately 5 minutes exposure to bright sunlight coming in through a window
Approximately about 8 hours exposure to indoor fluorescent lighting
• Be sure to read “Power Supply” (page E-50) for important information you
need to know when exposing the watch to bright light.
If the display of the watch is blank...
If the display of the watch is blank, it means that the watch’s Power Saving function
has turned off the display to conserve power.
• See “Power Saving Function” (page E-67) for more information.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage
or loss suffered by you or any third party arising through the use of this product or
its malfunction.
E-4
About This Manual
• Depending on the model of your watch, display text appears either as dark figures
on a light background or light figures on a dark background. All sample displays in
this manual are shown using dark figures on a light background.
• Button operations are indicated using the letters shown in the illustration.
• Each section of this manual provides you with the information you need to perform
operations in each mode. Further details and technical information can be found in
the “Reference” section.
E-5
Contents
General Guide ......................................................................................................... E-8
Radio-controlled Atomic Timekeeping ............................................................... E-10
World Time ............................................................................................................. E-33
Alarms .................................................................................................................... E-36
Stopwatch .............................................................................................................. E-41
Countdown Timer .................................................................................................. E-43
Illumination ............................................................................................................ E-46
Power Supply ........................................................................................................ E-50
Timekeeping .......................................................................................................... E-58
Reference .............................................................................................................. E-65
Specifications ....................................................................................................... E-75
E-6
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To specify your Home City ................................................................................... E-12
To perform manual receive .................................................................................. E-26
To turn auto receive on and off ........................................................................... E-28
To check the latest signal reception results ...................................................... E-29
To view the time in another city ........................................................................... E-34
To toggle a city code time between Standard Time and
Daylight Saving Time ...................................................................................... E-35
To set an alarm time ............................................................................................. E-37
To test the alarm ................................................................................................... E-38
To turn an alarm on and off .................................................................................. E-39
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To turn the Hourly Time Signal on and off .......................................................... E-40
To measure times with the stopwatch ................................................................ E-42
To configure the countdown timer ...................................................................... E-44
To use the countdown timer ................................................................................ E-45
To illuminate the display manually ...................................................................... E-47
To specify the illumination duration ................................................................... E-47
To turn the auto light switch on and off .............................................................. E-49
To set the time and date manually ...................................................................... E-59
To change the Daylight Saving Time (summer time) setting ............................ E-63
To turn the button operation tone on and off ..................................................... E-66
To recover from the sleep state ........................................................................... E-68
To turn Power Saving on and off ......................................................................... E-68
E-8
General Guide
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press L to illuminate
the display.
Timekeeping Mode
C
▲
C
E-9
Countdown Timer Mode Stopwatch Mode
Alarm Mode
▲
World Time Mode
▲
C
▲
C
C
▲
C
C
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