Casio 2707 User Manual
USER’S GUIDE 2707
2
About Auto Receive
When auto receive is turned on, the watch automatically starts to receive the time
calibration signal when the digital time in the Timekeeping Mode reaches 2:00 AM,
4:00 AM and 6:00 AM each day (calibration times).
When auto receive is turned on, the watch automatically starts to receive the time
calibration signal when the digital time in the Timekeeping Mode reaches 2:00 AM,
4:00 AM and 6:00 AM each day (calibration times).
Note
• The auto receive operation is performed only if the watch is in the Timekeeping or
• The auto receive operation is performed only if the watch is in the Timekeeping or
World Time Mode when one of the calibration times is reached.
It is not performed if a calibration time is reached while you are making settings
(while settings are flashing on the display), while an alarm is sounding, or while a
silent alert operation is being performed.
It is not performed if a calibration time is reached while you are making settings
(while settings are flashing on the display), while an alarm is sounding, or while a
silent alert operation is being performed.
• Auto receipt of the calibration signal is designed to be performed early in the
morning, while you sleep (provided that the digital time is set correctly). Before going
to bed for the night, remove the watch from your wrist, and put it in a location where
it can easily receive the signal.
to bed for the night, remove the watch from your wrist, and put it in a location where
it can easily receive the signal.
• The receive indicator indicates that either the 2:00 AM, 4:00 AM, or 6:00 AM
calibration signal reception was successful. Note, however, that the receive indicator
is cleared from the display at 3:00 AM each day.
is cleared from the display at 3:00 AM each day.
• If you do not see the receive indicator except for the above reason, it means there
was some problem with the calibration reception operation. Either perform reception
manually, or make sure the watch is set up properly to receive the time calibration
signal for the next automatic reception time.
manually, or make sure the watch is set up properly to receive the time calibration
signal for the next automatic reception time.
• When auto receive is turned on, the watch receives the calibration signal for two to
six minutes each day when the digital time reaches 2:00 AM, 4:00 AM and 6:00 AM.
Do not operate any of the watch’s buttons within six minutes prior to or following the
calibration times. Doing so can interfere with correct calibration.
Do not operate any of the watch’s buttons within six minutes prior to or following the
calibration times. Doing so can interfere with correct calibration.
• Remember that reception of the calibration signal depends on the time shown on the
digital display. The receive operation will be performed whenever the digital display
shows 2:00 AM, 4:00 AM and 6:00 AM, regardless of whether or not the displayed
time is actually the correct time.
shows 2:00 AM, 4:00 AM and 6:00 AM, regardless of whether or not the displayed
time is actually the correct time.
• When two or three receptions are successful, the watch uses the data of the last
reception for calibration. When only one reception is successful, the watch uses the
data of the successful reception.
data of the successful reception.
To turn auto receive on and off
1. In the Timekeeping Mode, press B. This causes the
current auto receive on/off setting (the receive indicator)
to flash, which indicates the setting screen.
to flash, which indicates the setting screen.
2. Press D to toggle auto receive on (ON) and off (OFF).
3. Press B to exit the setting screen.
3. Press B to exit the setting screen.
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Setting the Digital Time and Date Manually
Make sure you select your Home City code (the city code whose time and date you
are setting) before change the current time and date settings. World Time Mode times
are all displayed in accordance with the Timekeeping Mode settings. Because of this,
World Time Mode times will not be correct if you do not select the proper Home City
code before setting the time and date in the Timekeeping Mode.
Make sure you select your Home City code (the city code whose time and date you
are setting) before change the current time and date settings. World Time Mode times
are all displayed in accordance with the Timekeeping Mode settings. Because of this,
World Time Mode times will not be correct if you do not select the proper Home City
code before setting the time and date in the Timekeeping Mode.
To set the current digital time and date manually
1. In the Timekeeping Mode, press B. This causes the
current auto receive on/off setting (the receive indicator)
to flash, which indicates the setting screen.
to flash, which indicates the setting screen.
2. Press C to move the flashing in the sequence shown
below to select other settings.
Auto
Receive
Seconds
DST
12/24-Hour
Format
Format
City Code
Month
Year
Minutes
Hour
Day
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4. Press B to exit the setting screen.
• The auto receive setting is used for time calibration signal reception only. See “About
• The auto receive setting is used for time calibration signal reception only. See “About
Auto Receive” for details.
• See “City Code Table” for a complete list of available city codes.
• Resetting the seconds to 00 while the current count is in the range of 30 to 59
• Resetting the seconds to 00 while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to 00 without changing the minutes.
reset to 00 without changing the minutes.
12/24-Hour format
Hour, Minutes
Seconds
Month, Day, Year
Press D to toggle between 12-hour (12H)
and 24-hour (24H) timekeeping.
and 24-hour (24H) timekeeping.
Use D (+) and A (–) to change the
setting.
setting.
Press D to reset the seconds to 00.
Use D (+) and A (–) to change the
setting.
setting.
Screen
Setting
Auto Receive
City code
DST
Button Operations
Press D to toggle auto receive on and off.
Use D (+) and A (–) to change the
setting.
setting.
Press D to toggle between Daylight Saving
Time (ON) and standard time (OFF).
Time (ON) and standard time (OFF).
• Pressing D performs a different operation
when BER, PAR, LON or ATH is selected
as Home City Code. See “Auto Summer
Time (DST) Switching” .
as Home City Code. See “Auto Summer
Time (DST) Switching” .
3. When the setting you want to change is flashing, use A and/or D to change it as
described below.
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.
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 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
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.
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 the analog hands stop moving.
Current time
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To adjust the analog time
1. In the Timekeeping Mode, press C five times to enter
the Hand Setting Mode.
2. Press B and the current digital time starts to flash,
which indicates the setting screen.
3. Use D (+) and A (–) to adjust the analog setting as
described below.
When you want to do this:
Move the hand setting
forward 20 seconds
Move the hand setting back
20 seconds
Move the hand setting a short
way forward at high speed
forward 20 seconds
Move the hand setting back
20 seconds
Move the hand setting a short
way forward at high speed
Move the hand setting a
short way back at high speed
short way back at high speed
Move the hand setting a
long way forward at high
speed
long way forward at high
speed
Move the hand setting a
long way back at high speed
long way back at high speed
Perform this button operation:
• Press D.
• Press A.
• Hold down D.
• Release D when the hands reach the setting
• Release D when the hands reach the setting
you want.
• Hold down A.
• Release A when the hands reach the setting
• Release A when the hands reach the setting
you want.
• While holding down D to move the hands at
high-speed, press A to lock the high-speed
hand movement.
hand movement.
• Press any button when the hands are close to
the setting you want.
• Hand movement stops automatically if the hour
hand makes one full (12-hour) revolution.
• While holding down A to move the hands at
high-speed, press D to lock the high-speed
hand movement.
hand movement.
• Press any button when the hands are close to
the setting you want.
• Hand movement stops automatically if the hour
hand makes one full (12-hour) revolution.
4. Press B to exit the setting screen.
• The minute hand will be adjusted slightly to match the seconds when you exit the
• 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.
World Time
World Time shows the current time in 30 cities (29 time
zones) around the world.
• For full information on city codes, see the “City Code
zones) around the world.
• For full information on city codes, see the “City Code
Table”.
• The current time for all city codes in the World Time
Mode is calculated in accordance with the Greenwich
Mean Time (GMT) differential for each city, based on the
your Home City time setting.
Mean Time (GMT) differential for each city, based on the
your Home City time setting.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
Current time in the
selected city code
selected city code
City code
GMT
differential
differential
To view the time in another city code
While in the World Time Mode, press D to scroll through the city codes (time zones)
to the east or A to scroll to the west.
• If the current time shown for a city is wrong, check your Timekeeping Mode time and
While in the World Time Mode, press D to scroll through the city codes (time zones)
to the east or A to scroll to the west.
• If the current time shown for a city is wrong, check your Timekeeping Mode time and
Home City settings and make the necessary changes.
To toggle a city code time between standard time and Daylight Saving Time
1. In the World Time Mode, use A and D to display the
city code (time zone) whose standard time/Daylight
Saving Time setting you want to change.
Saving Time setting you want to change.
2. Press B to toggle Daylight Saving Time (DST
displayed) and standard time (DST not displayed).
• The DST indicator is on the display whenever you
display a city code for which Daylight Saving Time is
turned on.
turned on.
• Note that the DST/Standard Time setting affects only the
currently displayed city code. Other city codes are not
affected.
affected.
• Daylight Saving Time (DST) advances the time setting by one hour from Standard
Time. Remember that the not all countries or even local areas use Daylight Saving
Time.
Time.
• Note that you cannot use the World Time Mode to change the DST ON/OFF setting
of the Home City code you currently have selected in the Timekeeping Mode.
• The watch will perform a signal receive operation even if it is in the World Time Mode
when a calibration time is reached. If this happens, the World Time Mode time
settings will be adjusted in accordance with the Timekeeping Mode’s Home City
code time.
settings will be adjusted in accordance with the Timekeeping Mode’s Home City
code time.