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Operation Guide COMBIWAVE1
Timekeeping
Use the Timekeeping Mode to set and view the current time and date. This section
also explains how to manually set the current date and time.
• All of the operations in this section are performed in the Timekeeping Mode, which
you can enter by pressing C.
Month – Day
Hour : Minutes Seconds
Press A.
A
Day of week
L
Press D.
Last Signal Screen
Setting the Digital Time and Date Manually
Make sure you select your Home City code before you 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, hold down A until the
transmitter indicator starts to flash, which indicates the
setting screen.
2. Use A or C to move the flashing in the sequence
shown below to select other settings.
Press C.
C
Transmitter/
Transmitter
City Code
City Settings
A
C
12/24-Hour
Format
Time/Date
Settings
Day
3. Use C to display the transmitter screen.
• The transmitter indicator that appears indicates whether the currently selected
Home City code is one that supports time calibration signal reception.
This indicator:
Means this:
60
The currently selected Home City code supports signal reception.
USA
__
The currently selected Home City code does not support signal
reception.
---
4. Use C and A to select the other time and date settings, and change the settings
as described below.
5. When the setting you want to change is flashing, use B and/or D to change it as
described below.
Transmitter/City Settings
Screen:
To do this:
Change the city code
Cycle between Daylight Saving Time
DST
(
ON
), Standard Time (
OFF
Auto DST (
A
)
Toggle between auto receive on
(
ON
) and off (
OF
)
• See "City Code Table" for a complete list of available city codes.
Time/Date Settings
Screen:
To do this:
Toggle between 12-hour (
24-hour (
24H
) timekeeping
Reset the seconds to
00
Change the hour or minutes
Change the month, day, or year
6. Use A to exit the setting screen.
• If a Transmitter/City Setting screen is displayed, press A twice.
• If a Time/Date Setting screen is displayed, press A once.
• 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
is selected as the Home City code. For more information, see "Daylight Saving Time
(DST)" below.
• The auto receive setting is used for time calibration signal reception only. See "About
Auto Receive" for details.
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 signal transmitted from Fort Collins includes both Standard Time
and 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.
• The default DST setting is Auto DST (
A
) whenever you select
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.
Month – Day
A
Seconds
/ Press A.
Auto
DST
Receive
Seconds
Hour
Minutes
Month
Year
Do this:
Use D (east) and B (west).
Press D.
), and
Press D.
Do this:
Press D.
12H
) and
Press D.
Use D (+) and B (–).
Use D (+) and B (–).
HNL
,
ANC
,
LAX
,
DEN
,
CHI
, or
NYC
HNL
,
ANC
,
LAX
,
To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down A until the transmitter indicator starts to
flash, which indicates the setting screen.
2. Press C twice to display the DST setting screen.
3. Use D to cycle through the DST settings in the sequence shown below.
A
OFF
Auto DST (
)
DST off (
4. When the setting you want is selected, press A twice to exit the setting screen.
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 the analog hands stop moving.
To adjust the analog time
1. In the Timekeeping Mode, press C six times to enter
the Hand Setting Mode.
2. Hold down A until the current digital time starts to
flash, which indicates the setting screen.
3. Use D (+) and B (–) to adjust the analog setting as
described below.
l
Current time
When you want to do this:
Perform this button operation:
• Press D.
Move the hand setting forward
20 seconds
• Press B.
Move the hand setting back
20 seconds
• Hold down D.
Move the hand setting a short
• Release D when the hands reach the setting
way forward at high speed
you want.
• Hold down B.
Move the hand setting a short
• Release B when the hands reach the setting
way back at high speed
you want.
• While holding down D to move the hands at
Move the hand setting a long
high-speed, press B to lock the high-speed
way forward at high speed
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 B to move the hands at
Move the hand setting a long
high-speed, press D to lock the high-speed
way back at high speed
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 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.
Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Auto return features
• If you leave the watch in the Alarm (except for the target alarm screen explained on
"To set an alarm time"), Date Alert or Hand Setting Mode for two or three minutes
without performing any operation, it automatically changes to the Timekeeping
Mode.
• If you leave the watch with a flashing setting on the display for two or three minutes
without performing any operation, it automatically saves any settings you have made
up to that point and exits the setting screen.
Scrolling
The B and D buttons are used in various modes and setting screens to scroll
through data on the display. In most cases, holding down these buttons during a scroll
operation scrolls through the data at high speed.
Initial Screens
When you enter the World Time, Alarm, or Date Alert Mode, the data you were
viewing when you last exited the mode appears first.
Radio-controlled Atomic Timekeeping Precautions
• Strong electrostatic charge can result in the wrong time being set.
• The time calibration signal is bounced off the ionosphere. Because of this, such
factors as changes in the reflectivity of the ionosphere, as well as movement of the
ionosphere to higher altitudes due to seasonal atmospheric changes or the time of
day may change the reception range of the signal and make reception temporarily
impossible.
• Even if the time calibration signal is received properly, certain conditions can cause
the time setting to be off by up to one second.
ON
)
DST on (
)
4
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