Operation Guide 4319
4
Do this:
Use D (east) and B (west).
Press D.
Press D.
Press D.
Use D (+) and B (–).
Use D (+) and B (–).
Screen: To do this:
Change the city code
Toggle between Daylight Saving Time
(
ON) , Standard Time (OF), or Auto
DST (A)
Toggle between 12-hour (
) and
24-hour ( ) timekeeping
Reset the seconds to
Change the hour or minutes
Change the year
3. When the setting you want to change is flashing, use B and/or D to change it as
described below.
• See “City Code Table” for a complete list of available city codes.
• For details about configuring settings for the Power Saving feature, see “Power
Saving Function”.
4. Press A to exit the setting screen.
• The second hand will advance at high speed to the correct position in accordance
with the digital time seconds count, and resume normal movement from there.
• When you exit the setting screen, the analog hands are adjusted automatically to
match the digital time. See “Analog Timekeeping” for more information.
Note
• Auto DST (
A) can be selected only while HKG, SEL, TYO, HNL, ANC, LAX,
DEN, CHI, or NYC is selected as the Home City code. For more information, see
“Daylight Saving Time (DST)” below.
Use D (+) and B (–).
Press D.
Change the month or day
Toggle the day of the week language
between japanese (kanji) and English
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the time setting by one hour from
Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
The time calibration signals transmitted from Fort Collins (United States) and from
Fukushima and Fukuoka/Saga (Japan) include both standard time and summer time
(DST) data. When the Auto DST setting is turned on, the watch switches between
Standard Time and DST (summer time) automatically in accordance with the received
time signal.
• Auto DST (
A) can be selected only while HKG, SEL, TYO, HNL, ANC, LAX,
DEN, CHI, or NYC is selected as the Home City code.
• The default DST setting is Auto DST (
A) whenever you select HKG, SEL, TYO,
HNL, ANC, LAX, DEN, CHI, or NYC as your Home City code.
• If you experience problems receiving the time calibration signal in your area, it is
probably best to switch between Standard Time and Daylight Saving Time (summer
time) manually.
To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Press C to display the DST setting screen.
3. Use D to cycle through the DST settings in the
sequence shown below.
Auto DST (
A
) DST off (
OF
) DST on (
ON
)
4. When the setting you want is selected, press A to exit the setting screen.
• The DST indicator appears on the display to indicate that Daylight Saving Time is
turned on.
DST indicator
Analog Timekeeping
The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.
Note
• The hands for the analog timepiece move to adjust to a new setting whenever any of
the following occurs.
When you change the digital time setting manually
When the digital time setting is changed by time calibration signal reception
When you change the Home City code and/or DST setting
• If the analog time does not match the digital time for any reason, use the procedure
described under “To adjust the analog time” to match the analog setting to the digital
setting.
• Whenever you need to adjust both the digital and the analog time settings manually,
make sure you adjust the digital setting first.
• Depending on how much the hands have to move in order to adjust to the digital
time, it may take some time before they stop moving.
To adjust the analog time
1. In the Timekeeping Mode, press C five times to enter
the Hand Setting Mode.
2. Hold down A until
starts to flash, which
indicates the setting screen.
• The second hand will move at high speed to the 12
o’clock position, where it will stop.
3. If the second hand is not pointing precisely at 12 o’clock
at this time, use D to adjust its position.
• Each press of D causes the second hand to advance
by one second.
4. Press C. This will cause the time on the digital display to flash, which indicates that
adjustment of hour and minute hands is selected.
When you want to do this:
Move the hand setting
forward 10 seconds
Perform this button operation:
• Press D.
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5. Use D and B to adjust the analog setting as described below.
Move the hand setting back
10 seconds
Move the hand setting a short
way forward at high speed
Move the hand setting a
short way back at high speed
Move the hand setting a long
way forward at high speed
• Press B.
• Hold down D.
• Release D when the hands reach the setting
you want.
• Hold down B.
• Release B when the hands reach the setting
you want.
• While holding down D to move the hands at
high-speed, press B to lock the high-speed
hand movement.
• To stop the hand movement, press any
button.
• Hand movement stops automatically if the
hour hand makes one full (12-hour) revolution.
Move the hand setting a long
way back at high speed
• While holding down B to move the hands at
high-speed, press D to lock the high-speed
hand movement.
• To stop the hand movement, press any
button.
• Hand movement stops automatically if the hour
hand makes one full (12-hour) revolution.
6. Press A to exit the setting screen.
• The minute hand will be adjusted slightly to match the seconds when you exit the
setting screen.
• To return to the Timekeeping Mode, press C.
Power Supply
This watch is equipped with a solar cell and a special rechargeable battery (secondary
battery) that is charged by the electrical power produced by the solar cell. The
illustration shown below shows how you should position the watch for charging.
Example: Orient the watch so its face
is pointing at a light source.
• The illustration shows how to position
a watch with a resin band.
• Note that charging efficiency drops
when any part of the solar cell is
blocked by clothing, etc.
• 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.
Solar cell
Important!
• Storing the watch for long periods in an area where there is no light or wearing it in
such a way that it is blocked from exposure to light can cause rechargeable battery
power to run down. Make sure that the watch is exposed to bright light whenever
possible.
• This watch uses a special rechargeable battery to store power produced by the solar
cell, so regular battery replacement is not required. However, after very long use, the
rechargeable battery may lose its ability to achieve a full charge. If you experience
problems getting the special rechargeable battery to charge fully, contact your dealer
or CASIO distributor about having it replaced.
• Never try to remove or replace the watch’s special battery yourself. Use of the wrong
type of battery can damage the watch.
• The current time and all other settings return to their initial factory defaults whenever
battery power drops to Level 5 and when you have the battery replaced.
• Turn on the watch’s Power Saving function and keep it in an area normally exposed
to bright light when storing it for long periods. This helps to keep the rechargeable
battery from going dead.
To check the current battery level
In the Timekeeping Mode, press C to display the battery level indicator.
Battery level indicator
• The battery level indicator shows you the current power level of the rechargeable
battery.
Function Status
All functions enabled.
All functions enabled.
Alarm, hourly time signal, illumination
and time calibration signal reception
disabled.
All functions disabled.
All functions, including timekeeping,
disabled and initialized.
Level
1
2
3
4
5
Battery Level Indicator
(Charge Soon Alert)
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(Charge Soon Alert)
• The indicator at Level 3 and the flashing charge indicator (C) at Level 4 tell you
that battery power is very low, and that exposure to bright light for charging is
required as soon as possible.
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