— 5 —
Time Calibration Signal Reception
•
This watch is designed to receive a time calibration signal originating from
one of the three transmitters listed below.
•
When you select one of the city codes shown below as your Home City code,
the watch sets up automatically to receive from the applicable transmitter.
Time calibration signal reception is not possible whenever any other city code
is specified as the Home City code.
•
When you select TYO as your Home City code, the watch automatically
selects either the Fukushima signal (40kHz) or the Fukuoka/Saga signal
(60kHz), depending on which is stronger.
•
Note that when TYO (Japan) is selected as the Home City code, you can
specify one of two different time signal transmitters.
Location
Fort Collins, Colorado
Fukushima, Japan
Fukuoka/Saga, Japan
Frequency
60kHz
40kHz
60kHz
Call Sign
WWVB
JJY
JJY
Home City Code
LAX, DEN, CHI, NYC
TYO
Received Transmitter
Fort Collins, Colorado
Fukushima or Fukuoka/Saga, Japan
(selectable)
•
Signal reception is possible within a radius of about 2,000 miles (3,000
kilometers) from the Fort Collins transmitter.
•
At distances further than about 500 kilometers from the Fukushima and
Fukuoka/Saga transmitter, the signal may become weak and reception may
be impossible under certain conditions.
General Precautions
•
The watch is designed to automatically update the date and day of the week
for the period January 1, 2000 to December 31, 2039. Setting of the date by
the time calibration signal cannot be performed starting from January 1,
2040.
•
This watch can receive signals that differentiate between leap years and non-
leap years.
•
Even when the watch is within the reception range of the transmitter, signal
reception is impossible if the signal is blocked by mountains or other
geological formations between the watch and signal source.
•
Signal reception is affected by weather, atmospheric conditions, and
seasonal changes.
•
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.
•
Reception is best when the antenna built into the 12 o'clock edge of the
watch is facing in the general direction of the signal transmitter. Note,
however, that moving the watch while the time calibration signal receive
operation is taking place will make stable reception impossible.
•
Think of the watch as acting like a TV or radio when it is receiving the
calibration signal. When receiving indoors, move to a location as near as
possible to a window.
•
Proper signal reception can be difficult or even impossible under the
conditions listed below.
Near TVs, refrigerators, computers, or other household appliances
Far away from broadcasting stations among ferro-concrete structures or near
mountains
Underground, in tunnels or in ferro-concrete buildings
Near high-tension wires, neon signs, or radio stations with interfering
frequencies
Near railroads, highways or airports
In trains or cars
•
Radio interference can make signal reception impossible.
•
Strong electrostatic charge can result in the wrong time being set.
•
If you are in an area where proper time calibration signal reception is
impossible, the watch keeps time with the precision noted in “Specifications.”
Fort Collins
2,000 miles
1,200 miles
1,000
kilometers
1,000
kilometers
Fukuoka/Saga
500
kilometers
Fukushima
500
kilometers
Troubleshooting
Check the following points whenever you experience problems with your watch.
Problem
Cannot perform
manual receive.
Auto receive is
turned on, but
the receive
indicator does
not appear on
the display.
Time setting is
incorrect
following signal
reception.
Probable Cause
The watch is not in the Timekeeping Mode.
•
You changed the time setting manually.
•
The watch was not in the Timekeeping
or World Time Mode, or you were
performing some button operation
during the auto signal receive operation
was performed.
•
Even if receive is successful, the
receive indicator disappears every day
at 3am.
•
If the time is one hour off, the DST
setting may be incorrect.
•
The Home City Code setting is not
correct for the area where you are using
the watch.
What you should do
Enter the Timekeeping Mode
and try again.
•
Perform manual signal receive
or wait until the next auto
signal receive operation is
performed.
•
Check to make sure the watch
is in a location where it can
receive the signal.
•
Put the watch in a location
that is suitable for good
reception.
•
Change the DST setting to
AUTO DST.
•
Select the correct Home City
Code.
Auto Summer Time (DST) Switching
The time calibration signal transmitted from Fort Collins, Colorado includes
both standard time and summer time (Daylight Saving Time) data. When auto
summer time (DST) switching is turned on, the watch switches between
standard time and summer time (DST) automatically in accordance with the
Fort Collins signal.
•
Daylight Saving Time (DST) 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 the Fukushima and Fukuoka/
Saga do not include summer time data.
•
When using the watch in the Continental United States or in Japan, select
AUTO DST for the auto summer time setting.
•
The default auto summer time settings is AUTO DST whenever you select
one of the following city codes as your Home City code: HKG, TYO, SEL,
NYC, CHI, DEN, LAX, ANC, or HNL.
•
If you experience problems receiving the time calibration signal in your area,
it is probably best to turn off auto time switching.
•
See page about configuring summer time (DST) settings manually.
To select the auto summer time setting
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.
2. Press
C
three times until the summer time (DST) setting screen appears.
3. Use
D
to cycle through the summer time settings in the sequence shown
below.
4. When the setting you want is selected, press
B
to exit the setting screen.
Timekeeping
•
The day of the week is automatically displayed in accordance with the date
(year, month, and day) settings.
•
The year can be set in the range of 2000 to 2039.
•
The watch’s built-in full automatic calendar automatically makes allowances
for different month lengths and leap years. Once you set the date, there
should be no reason to change it except after you have the watch’s battery
replaced.
•
The current time for all city codes in the Timekeeping Mode is calculated in
accordance with the Greenwich Mean Time (GMT) differential for each city,
based on the your Home City time setting.
•
GMT differential is calculated by this watch based on Universal Time
Coordinated (UTC
*
) data.
*
The letters “UTC” stands for “Universal Time Coordinated,” which is the
world-wide scientific standard of timekeeping. It is based upon carefully
maintained atomic (cesium) clocks that keep accurate to within
microseconds. Leap seconds are added or subtracted as necessary to keep
UTC in sync with the Earth’s rotation. The reference point for UTC is
Greenwich, England.
12-hour/24-hour Timekeeping Formats
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode
is also applied in all other modes.
•
With the 12-hour format, the P (PM) indicator appears on the display for
times in the range of noon to 11:59 p.m. and the no indicator appears for
times in the range of midnight to 11:59 a.m.
•
With the 24-hour format, times are displayed in the range of 0:00 to 23:59,
with 24 indicator.
Inputting Text
The following describes how to input text in the Alarm and Data Memory
Modes.
To input characters
1. When the cursor is on the display, use
A
and
D
to cycle through the available letters, numbers and
symbols, in the sequence shown below.
2. When the character you want is at the cursor position, press
C
to move the
cursor to the right.
3. Repeat steps 1 and 2 to input the rest of the characters you want.
•
See the “Character List” at the back of this manual for information about the
characters you can input.
Data Memory Management
Data memory can hold up to 315 characters total, while each record can
contain up to 63 characters. This means that 40 records can be stored in data
memory when each record contains seven characters of text or less.
Backlight Precautions
The backlight uses an EL (electro-luminescent) panel that causes the entire
display to glow for easy reading in the dark.
In any mode, press
L
to illuminate the display for about one second.
•
The electro-luminescent panel that provides illumination loses power after
very long use.
•
The illumination provided by the backlight may be hard to see when viewed
under direct sunlight.
•
The watch may emit an audible sound whenever the display is illuminated.
This is due to vibration of the EL panel used for illumination, and does not
indicate malfunction.
•
The backlight automatically turns off whenever an alarm sounds.
•
Frequent use of the backlight shortens the battery life.
l l lll
lll
l
Press
D
.
a
to
z
(lower-case)
(space)
*
to
+
(symbol)
0
to
9
(number)
A
to
Z
(upper-case)
Press
A
.
Reminder Text Input
Screen
Cursor