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Operation Guide 2734 58 3748 9

1

MO0410-EA

General Guide

Press 

C

 to change from mode to mode.

In any mode, press 

B

 to illuminate the display.

Timekeeping Mode

Press 

C

.

World Time  Mode

Alarm Mode

Date Alert Mode

Time Recorder Mode

Stopwatch Mode

Hand Setting Mode

About This  Manual

• The operational procedures for Modules 2734, 2758,

3748, and 3749 are identical. All of the illustrations in
this manual show Modules 2734 and 2758.

• Button operations are indicated using the letters shown

in the illustration.

• Each section of this manual provides you with the

information you need to perform operations in each
mode. Further details and technical information can be
found in the “Reference” section.

Modules 2734 and 2758

Modules 3748 and 3749

Radio-controlled Timekeeping

This watch receives a time calibration signal and update
its time setting accordingly. The time calibration signal
includes both Standard Time and Daylight Saving Time
(summer time) data.

This watch is designed to pick up the time calibration
signal transmitted from Rugby, England and the signal
from Mainflingen, Germany.

Current Time  Setting

This watch automatically adjusts its digital time setting in
accordance with a time calibration signal. You can also
perform a manual procedure to set the time and date,
when necessary.

The first thing you should do after purchasing this watch
is to set your Home City, which is the city where you will
normally use the watch. For more information, see “To
set your Home City” below.

Month – Day

Day of week

Minute hand

Hour hand

When using the watch that is outside of the range of the transmitters in Rugby and
Mainflingen, you need to manually adjust the time as required. See “Timekeeping”
for information about manual settings.

The analog time of this watch is synchronized with the digital time. Because of this,
the analog time setting is automatically adjusted whenever you change the digital
setting. See “Analog Timekeeping” for more information.

To set your Home City

1. In the Timekeeping Mode, hold down 

A

 until the

transmitter indicator (

A/T

MSF

, or 

DCF

) starts to

flash, which indicates the setting screen.

If the displayed transmitter indicator shows
something other than 

A/T

, use 

D

 to display 

A/T

before advancing to the next step.

2. Press 

C

 to display the city code setting screen.

3. Use 

D

(east) and 

B

(west) to select the city code you

want to use as your Home City.

City code

The following are the city codes for major cities in the Western Europe time
zones.

LON

: London

PAR

 and 

BER

: Paris, Berlin, Milan, Rome, Amsterdam, Hamburg, Frankfurt,

            Vienna, Barcelona, Madrid

4. Press 

A

 twice to exit the setting screen.

The first press of 

A

 displays the 12/24-hour setting screen. Pressing 

A

 again

exits the setting screen.

Important!

Normally, your watch should show the correct time as soon as you select your
Home City code. If it does not, it should adjust automatically after the next auto
receive operation (in the middle of the night). You can also perform manual receive
or you can set the time manually.

If you are in an area that does not use Daylight Saving Time (summer time), turn off
the DST setting.

See “Transmitters” for details about the transmitter indicator.

Time Calibration Signal Reception

There are two different methods you can use to receive the time calibration signal:
auto receive and manual receive.

Auto Receive

With auto receive, the watch automatically picks up the time calibration signal five
times a day at 0:00 a.m., 1:00 a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. For more
information, see “About Auto Receive”.

Manual Receive

Manual receive lets you start a time calibration receive operation with the press of
a button. For more information, see “To perform manual receive”.

Important!

Position the watch as shown in the nearby illustration, with its 12 o’clock side facing
towards a window. Make sure there are no metal objects nearby.

Resin Band

Metal Band

The watch should not be on its side or facing the wrong way.

Proper signal reception can be difficult or even impossible under the conditions
listed below.

Signal reception is normally better at night than during the day.

Time calibration signal reception takes from two to five minutes, but in some cases
it can take as long as 12 minutes. Take care that you do not perform any button
operations or move the watch during this time.

Inside or
among
buildings

Inside a
vehicle

Near
household
appliances or
office
equipment,
or a mobile
phone

Near a
construction
site, airport, or
other sources
of electrical
noise

Near high-
tension
power lines

Among or
behind
mountains

This watch is designed to receive the time calibration signal transmitted from
Rugby, England and the signal from Mainflingen, Germany.  Signal reception is
possible within the area represented by a circle with a radius of about 1,500
kilometers.

At distances further than about 500 kilometers from a transmitter, signal reception
may not be possible during certain times of year or times of day. Radio interference
may also cause problems with reception.

Rugby

Mainflingen

1,500 kilometers

500 kilometers

See the information under “Signal Receive Troubleshooting” if you experience
problems with time calibration signal reception.

Summary of Contents for MO0410-EA

Page 1: ... PAR and BER Paris Berlin Milan Rome Amsterdam Hamburg Frankfurt Vienna Barcelona Madrid 4 Press A twice to exit the setting screen The first press of A displays the 12 24 hour setting screen Pressing A again exits the setting screen Important Normally your watch should show the correct time as soon as you select your Home City code If it does not it should adjust automatically after the next auto...

Page 2: ...Mode press A to cycle through the digital time screens as shown below In the Timekeeping Mode press D to display the Last Signal screen indicated by GET The Last Signal screen shows the date and time of the last successful time calibration signal reception Press D Seconds Last Signal Screen Receive date Receive time Alternate at two second interval Day of week Hour Minutes Seconds Month Day A A Pr...

Page 3: ...h and day settings 5 While the month or day setting is flashing use D and B to change it 6 Press A to exit the setting screen DA1 DA2 DA3 DA5 DA4 l l l l l l l l l l l l l l l l l To turn an alert on and off 1 In the Date Alert Mode use D to select the screen for the alert DA1 through DA5 whose alert type you want to select 2 Press A to toggle it on and off Note that the month and day do not appea...

Page 4: ...henever 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 Whene...

Page 5: ... To set up the watch to do this Automatically select the Rugby or Mainflingen signal Receive the Mainflingen signal Receive the Rugby signal Select this transmitter setting A T DCF MSF Timekeeping 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 T...

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