Casio 3040 Operation Manual

MA0605-EA
Keep your watch exposed to light!
Your watch runs on electrical power generated from light and stored by a rechargeable battery.
To ensure stable operation, make sure that the watch is exposed to light as much as possible.
How the solar panel and battery work
When exposed to light
Light
Solar panel
(Converts light
to power.)
Electrical Energy
Charge
Recharge-
able Battery
Power supplied to watch
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.

Modes and Indicators

Each press of the C C C C button cycles through available modes in the sequence shown below. C
Timekeeping Mode
Home Time Screen
Month, Day Day of the Week
(Light)
Button
Button
Button
(Mode Switching)
PM indicator Button
(no display for AM)
(Changes Display)
Transmitter Indicator*
Hour, Minutes Seconds
Switching between Display Screens
Each press of the button switches the display between
the home time screen and the dual time screen.
Dual Time
Dual time lets you view the current time in your Home City
and in one more time zone (Secondary City).
• A simple operation lets you make the current Secondary
City Zone your Home City, and your current Home City the
Secondary City. See "Using Dual Time".
Operation Guide 3040
Avoid overuse of display illumination
Over use of display illumination can run down the battery.
Discharge
Recharge-
able Battery
Power supplied to watch
Dual Time Screen
Dual Time
Current Time
Days of the Week
SUN : Sunday MON : Monday
TUE : Tuesday WED : Wednesday
THU : Thursday F R I : Friday
S AT : Saturday
• See "Transmitter Indicator" for more information
about the transmitter indicator.
Tips on how to keep the battery
charged
• Watch functions are disabled as remaining battery power drops.
To ensure normal watch operation, be sure to expose the watch to
light as much as possible.
• Whenever you are not wearing the watch on your wrist, position it
so the face (solar panel) is pointed in the direction of a source of
bright light.
Solar panel Light
Leave the watch under
fluorescent lighting, near a
window, etc.
• When wearing the watch, try to keep your sleeve from blocking its
face (solar panel).
Charging efficiency is significantly
reduced even if the face of the
watch is only partially covered by
your sleeve.
World Time Mode
World Time City Code
• The watch will revert to the Timekeeping Mode
automatically if you leave it in the Alarm Mode or
Reception Time
Receive Mode without performing any operation
for about two or three minutes.
Display
All of the illustrations in this manual show a Type A display (dark
figures on a light background).
The Type B display has light colored figures on a dark
background.
ON ON
Timer Mode Stopwatch Mode
Time
Timer Time
Mode
Name
Receive Mode Alarm Mode
Reception
Alarm Time Mode Name
Date
Mode
Name
1