Operation Guide 5208
MO1106-EA
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 cell of the watch is
stored by a built-in 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 only partially covered.
l
l
l
l
l
l
l
l
l
l
l
Bright Light
Solar cell
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Battery charges in the light. Battery discharges in the dark.
All
functions
enabled
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
Charge
Rechargeable battery
Bright Light
Electrical
energy
Solar cell
(Converts light to
electrical power.)
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
Some or all
functions
disabled
Dis-
charge
• 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 being 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.
• Be sure to read “Power Supply” (page E-33) 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-46) for more information.
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.
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Contents
General Guide ......................................................................................................... E-8
Timekeeping .......................................................................................................... E-10
World Time ............................................................................................................. E-17
Alarms .................................................................................................................... E-20
Countdown Timer .................................................................................................. E-24
Stopwatch .............................................................................................................. E-29
Illumination ............................................................................................................ E-31
Power Supply ........................................................................................................ E-33
Adjusting Home Positions ................................................................................... E-42
Reference .............................................................................................................. E-44
Specifications ....................................................................................................... E-50
E-6
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the current digital time and date .............................................................. E-11
To change the Daylight Saving Time (summer time) setting ............................ E-15
To view the time in another city ........................................................................... E-18
To toggle a city code time between Standard Time
and Daylight Saving Time ............................................................................... E-18
To swap your Home City and World Time City ................................................... E-19
To set an alarm time ............................................................................................. E-21
To turn an alarm on and off .................................................................................. E-23
To turn the Hourly Time Signal on and off .......................................................... E-23
E-7
To configure the countdown timer ...................................................................... E-25
To use the countdown timer ................................................................................ E-27
To measure times with the stopwatch ................................................................ E-30
To illuminate the display ...................................................................................... E-31
To specify the illumination duration ................................................................... E-32
To check the current battery level ....................................................................... E-35
To adjust home positions ..................................................................................... E-42
To turn the button operation tone on and off ..................................................... E-45
To recover from the sleep state ........................................................................... E-47
E-8
Timekeeping Mode
C
▲
General Guide
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press B to illuminate
the face of the watch.
Battery Level Indicator
C
▲
E-9
Stopwatch Mode Countdown Timer Mode
Alarm Mode
▲
World Time Mode
C
C
▲
▲
C C
▲
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