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Operation Guide 3390

2

Location

Reception is difficult and may even be impossible in the locations
described below. Avoid such locations when performing signal
reception.

You should think of your watch operating like a radio or TV when it
is receiving the calibration signal.

If you are experiencing problems with reception, move away
from the types of locations described above to a location with
better reception, and try again.

Near high-voltage lines

Among or near buildings

Receiving the Calibration Signal

There are two methods you can use to receive the time calibration signal.

Auto receive (Reception is performed automatically at
midnight, 2:00, 3:00 and 4:00 each morning.)

Manual receive (You initiate reception using a button operation.)

If reception is not successful for any of the normal auto receive
operations shown above, auto receive is performed one more
time at 5:00 a.m.

The watch is set up for auto receive at the factory, so all you need to
do is to place it in a location that allows good reception each night.

To position the watch for optimum reception

Remove the watch from your wrist and place it somewhere so its
top (12 o’clock side, where the antenna is located) is facing
approximately in the direction of the signal transmitter. Keep the
watch away from metal objects.

Resin band

 Metal band

Orienting the watch so it is sideways to the transmitter makes it
more difficult to receive the signal.

Do not move the watch while it is receiving the calibration signal.

Near mountains

Inside a vehicle

(automobile, train, plane, etc.)

In a location where there is
radio interference
(construction site, airport, etc.)

Next to a household appliance
or office equipment (TV, speaker,
fax, computer, cell phone, etc.)

❚ 

Time Required for Reception

A calibration signal receive operation takes anywhere from about
two to six minutes.

Note that when “AUTO” (Auto Select) is specified as the
transmitter selection mode, signal reception can take up to
12 minutes.

See “Configuring Auto Receive Settings” for more information.

❚ 

To perform manual receive

In the Timekeeping Mode, hold
down the 

D

D

D

D

D

 button for about

two seconds.

The watch will beep and
reception will start. An indicator
will appear on the display to
indicate reception conditions.

❚ 

To interrupt reception

Press the 

D

D

D

D

D

 button.

All other buttons besides 

D

 are disabled during signal reception.

When reception is successful

The watch terminates reception and adjusts the current time. Next
it beeps and then displays the date and time that the adjustment
was performed.

Reception Error (ERR Indicator)

The watch does not adjust its current time setting, and displays
“ERR” when signal reception is unsuccessful for some reason.

The watch will return to the Timekeeping Mode automatically if
you do not perform any operation for about one or two minutes.

❚ 

Receive Indicator

The receive indicator cycles from
“Unstable” through “Stable” as
shown below while reception is in
progress. How far it cycles depends
on the signal strength. Keep the
watch in a location where reception
is stable while reception is in
progress.

Unstable

Stable

Even under optimum reception conditions, it can take about 10
seconds for reception to stabilize.

Use the receive indicator to check reception status and to
determine the best location for signal reception.

Note that weather, the time of day, surroundings, and other
factors can all affect reception.

Receive Indicator

Configuring Auto Receive Settings

Use the procedure below to turn auto receive of the time
calibration signal on or off. When TYO (Tokyo) is selected as your
Home City, you can also specify the transmitter selection mode,
which controls which Japanese transmitter signal should be used
for time calibration.

For information about selecting you Home City, see “Configuring
Home Time Settings”.

The initial factory default settings for auto receive are Home City =
TYO (Tokyo); Auto Receive = On; Transmitter = AUTO

The following procedure can be performed only when TYOLAX,
DENCHI, or NYC is selected as the Home City.

❚ 

To configure auto receive settings

1.

In the Timekeeping Mode,
press the 

D

D

D

D

D

 button.

This will cause the display to
start cycling through the last
reception date and time
screens.

The watch will return to the
Timekeeping Mode
automatically if you do not
perform any operation for
about one or two minutes.

2.

Hold down the 

A

A

A

A

A

 button

for about two seconds.

This will cause the currently
auto receive setting to flash
on the display.

❚ 

To view the last reception date and time

In the Timekeeping Mode, press the 

D

D

D

D

D

 button.

This causes the display to start cycling through the “

screen, last reception date screen, and last reception time screen
at two-second intervals.

To return to the Timekeeping Mode, press the 

D

 button again.

The watch will return to the Timekeeping Mode automatically if
you do not perform any operation for about one or two minutes.

Last Reception 
Date

Last Reception 
Time

Auto Receive Settings when the Home City is TYO

  AUTO

Auto receive turned on with automatic selection of either the
Mt. Otakadoya signal (40kHz) or the Mt. Hagane signal
(60kHz), whichever is strongest.

  40

Auto receive turned on for the Mt. Otakadoya signal (40kHz).

  60

Auto receive turned on for the Mt. Hagane signal (60kHz).

  OFF

Auto receive turned off.

Auto Receive Settings when the Home City is NYC,

CHI, DEN, or LAX

  ON

Auto receive turned on for the Ft. Collins, Colorado signal.

  OFF

Auto receive turned off.

3.

Press the 

D

D

D

D

D

 button to

cycle through the
available auto receive
settings.

4.

When the setting is the
way you want, press the

A

A

A

A

A

 button.

This will exit the setting
screen and return to the last
reception date and time
screens.

To return to the Timekeeping
Mode, press the 

D

 button

again.

The watch will return to the
Timekeeping Mode
automatically if you do not
perform any operation for
about one or two minutes.

Summary of Contents for 3390

Page 1: ...se calibration signal Call Sign JJY is maintained by the National Institute of Information and Communications Technology NICT It is a long wave signal transmitted 24 hours a day from the Mt Otakadoya transmitter 40kHz located in Tamura gun Fukushima Prefecture and from the Mt Hagane transmitter 60kHz located on the border between Saga Prefecture and Fukuoka Prefecture The U S calibration signal Ca...

Page 2: ...ve Indicator The receive indicator cycles from Unstable through Stable as shown below while reception is in progress How far it cycles depends on the signal strength Keep the watch in a location where reception is stable while reception is in progress Unstable Stable Even under optimum reception conditions it can take about 10 seconds for reception to stabilize Use the receive indicator to check r...

Page 3: ...g may be slightly off within one second Time calibration signal reception is successful but the current time is one hour fast Do you have summer time DST turned on ON Use the procedure under To configure home time settings to turn off summer time Time calibration signal reception is successful but the current time setting is wrong Is the correct city code selected for your Home City If you are in ...

Page 4: ...ean Time London Paris Berlin Athens Cairo 11 10 9 8 7 6 5 4 3 2 1 0 0 1 1 2 2 GMT Differential City Code City Name GMT Differential JRS JED THR DXB KBL KHI DEL DAC RGN BKK HKG SEL TYO ADL SYD NOU WLG Jerusalem Jeddah Teheran Dubai Kabul Karachi Delhi Dakar Yangon Bangkok Hong Kong Seoul Tokyo Adelaide Sydney Noumea Wellington 2 3 3 5 4 4 5 5 5 5 6 6 5 7 8 9 9 9 5 10 11 12 The contents of the above...

Page 5: ...ily alarms in 1 minute increments The watch beeps for 10 seconds when the current time in the Timekeeping Mode reaches the alarm time you set The Hourly Time signal causes the watch to beep every hour on the hour To display the alarm screen In the Alarm Mode press the D D D D D button to toggle the display between the alarm screen and the Hourly Time Signal screen When you enter the Alarm Mode the...

Page 6: ...nd advances the current time by one hour The DST indicator appears on the display when this setting is selected 5 When the summer time setting is the way you want use the C C C C C button to cycle the display through the settings shown below Summer Time Home City Code 12 24 hour Timekeeping Hour Minute Month Year Day Seconds High speed Lock While holding down the D button to start high speed clock...

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