Casio Watch 5252 Users Manual QW 5196_5252_5301

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Operation Guide 5196/5252/5301
ENGLISH
Congratulations upon your selection of this CASIO watch.

x Note that the product illustrations in this manual are intended for reference only, and so
the actual product may appear somewhat different than depicted by an illustration.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any
damage or loss suffered by you or any third party arising through the use of this
product or its malfunction.

E-1

Hand Functions

About this manual

z Hour Hand
x Second Hand
c Minute Hand
v Day Indicator
This User’s Guide uses numbers shown above to identify watch hands and indicators.

Operations are performed using the watch’s crown and the A button.
B

@+

B

@ +

B

@+

x The operational procedures for Modules 5196, 5252 and 5301 are identical. All of
the illustrations in this manual show Module 5196.
* The module number is engraved on the back cover of the watch case.





>
Module 5196

>
Module 5252

Important!
x The A button is designed to protect against accidental pressing.
Use a thin pointed object to press the depression of the button to
operate it.
x In the illustrations in this manual, the A button is emphasized for
ease of understanding.

>
Module 5301

E-2

E-3

About the face
&

'

)

(

Crown Operations
The following explains the meanings of the markings on the
watch’s face.
1. Y (YES)/N (NO): Time calibration signal reception result
Y (YES): Successful
N (NO): Unsuccessful
x See “To check the result of the latest receive operation”
(page E-30).
2. RC: Receive in progress
x See “To perform manual receive” (page E-29).
3. A (AM)/P (PM): AM and PM indications when setting
the time
x See “To set the time manually” (page E-36).
4. CN (HKG, HONG KONG)/OFF/JP (TYO, TOKYO):
Signal reception location
x See “Radio Controlled Atomic Timekeeping” (page E-23).

The crown can be pulled out to one of two (click) positions. Never apply undue force
when pulling out the crown.
Important!
x When pulling out the crown, avoid using undue force, which creates the risk of
personal injury to your fingers and fingernails, and of watch malfunction.

First click
For selecting the location setting

E-4

E-5

Second click

High-speed Cancel
Rotate the crown in the reverse direction of the
movement or press the A button.

For configuring time, date and other settings

Note
x When you push the crown back in from the first click, the x Second Hand will perform
movement that indicates whether the watch’s battery requires charging before
resuming regular timekeeping. See “Charging Guide” (page E-17).

High-speed Forward and Reverse Movement

Note
x Leaving the crown pulled out for more than two minutes without performing any
operation will automatically cause the setting operation to become disabled. If this
happens, press the crown back in and then pull it out again to configure settings.
x High-speed movement can be used when setting the current time (page E-36) and
when performing home position adjustment (page E-44).

While the crown is pulled out, rotating it more than one
full turn either way will cause the hands or Day indicator
to start to move at high speed. High-speed movement
will continue even if you release the crown.
E-6

E-7

Things to check before using the watch

The watch is charged. For details about charging, see “Charging the Watch”
(page E-14).

1. Observe the movement of the x Second Hand.

NEXT

YES

Is the x Second Hand moving smoothly at one-second intervals?

Go to step 2.

NO
x Second Hand moving in the
following pattern.

1 second

1 second

2 seconds

YES

Battery is starting to go low.

NO
Is the x Second Hand moving at two-second intervals or is it stopped completely?

YES

Battery is low.

Charge the watch by placing it in a location where it is exposed to light. For
details, see “Charging the Watch” (page E-14).
E-8

E-9

Operation Guide 5196/5252/5301
2. Check the current location settings.

3. Set the current time.

Use the procedure under “Configuring Time and Date Settings” (page E-32) to
configure your location settings.
Important!
x Proper time calibration signal reception and time settings depend on correct
location setting. Make sure you configure these settings correctly.

x To set the time using a time calibration signal
See “To get ready for a receive operation” (page E-26).
x To set the time manually
See “Configuring Time and Date Settings Manually” (page E-35).
The watch is now ready for use.
x For details about the watch’s radio controlled timekeeping feature, see “Radio
Controlled Atomic Timekeeping” (page E-23).

E-10

E-11

E-32 Configuring Time and Date Settings
E-33 To check the current location setting
E-34 To change the location setting
E-36 To set the time manually
E-38 To set the date manually

Contents
E-2

About this manual

E-4

About the face

E-5

Crown Operations

E-8

Things to check before using the watch

E-43 Adjusting the Home Positions
E-48 Troubleshooting

E-14 Charging the Watch
E-18 To use the charging guide
E-22 To recover from the sleep state

E-54 Specifications

E-23 Radio Controlled Atomic Timekeeping
E-26 To get ready for a receive operation
E-29 To perform manual receive
E-30 To check the result of the latest receive operation

E-12

E-13

Charging the Watch
The face of the watch is a solar panel that generates power from light. The generated
power charges a built-in rechargeable battery, which powers watch operations. The
watch charges whenever it is exposed to light.

Charging Guide
Whenever you are not
wearing the watch, be sure
to leave it in a location
where it is exposed to light.
x Best charging
performance is achieved
by exposing the watch to
light that is as strong as
possible.

When wearing the watch,
makes sure that its face is
not blocked from light by the
sleeve of your clothing.
x The watch may enter a
sleep state (page E-21) if
its face is blocked by your
sleeve even only partially.

Warning!
Leaving the watch in bright light for charging can cause it to become quite hot.
Take care when handling the watch to avoid burn injury. The watch can become
particularly hot when exposed to the following conditions for long periods.
x On the dashboard of a car parked in direct sunlight
x Too close to an incandescent lamp
x Under direct sunlight
Important!
x Keep the watch in an area normally exposed to bright light when storing it for long
periods. This helps to ensure that power does not run down.
x Storing the watch for long periods in an area where there is no light or wearing it in
such a way that it is blocked from exposure to light can cause power to run down.
Make sure that the watch is exposed to bright light whenever possible.

E-14

E-15

Power Levels
B

+

You can get an idea of the watch’s power level by
observing the movement of the x Second Hand in the
regular timekeeping.
Level
1
2

@

>

Hand Movement

Charge

Normal.

Battery is charged.

x Second Hand moves in the
following pattern.
1 second
2 seconds

1 second

Battery is starting
to go low.

3

x Second Hand moves at twosecond intervals.
v Day Indicator changes to 1
(home position).

Battery is low.

4

x Second Hand stopped.
z Hour Hand and c Minute
Hand stopped at 12 o’clock.

Battery is very low.

Movement indicates the
current charge level.

E-16

x When power drops to Level 4, all functions will be disabled but the watch will
continue to keep time internally for about one week. If you recharge the battery
sufficiently during this period, the analog hands will move automatically to the
correct setting and regular timekeeping will resume. After one week, all settings
(including timekeeping) will be cleared. Recharging the battery will reset all settings
to their initial factory defaults.

Charging Guide
The charging guide causes the x Second Hand to perform movement that gives you
a rough idea of whether the watch needs to be exposed to light in order to charge the
battery.

E-17

To use the charging guide
1. Pull the crown out to the first click. The x Second Hand will move to the currently
selected location setting. Next, push the crown back in.
x For about one second, the x Second Hand will perform movement that indicates
whether the watch’s battery requires charging.
Battery is charged.
Charge is very low.
Leave the watch in bright
light for long time until
charged.

Charge is low.
Consider leaving the watch in
light for charging.

x The current charging requirement is indicated whenever you push the crown
back in from the first click.
x Failure to expose the watch to light when charging is required will cause the
charge to be reduced even further.
x The charging guide is based on a calculated value (not the actual battery
charge). Because of this, the battery charge may go low even if the charging
guide indicates that immediate charging is not required. If this happens, expose
the watch to light as soon as possible to charge the battery.

Charge is low.
Leave the watch in light for charging.
E-18

E-19

Operation Guide 5196/5252/5301
Charging Times

Power Saving

Exposure Level (Brightness)

Daily
Operation
*1

Outdoor sunlight (50,000 lux)

8 minutes

Level Change *2
Level 4

Level 3

Level 2

2 hours

Level 1
25 hours

Window sunlight (10,000 lux)

30 minutes

4 hours

93 hours

Window sunlight on cloudy day
(5,000 lux)

48 minutes

6 hours

151 hours

8 hours

59 hours

–––

Indoor fluorescent lighting
(500 lux)

* 1 Approximate exposure each day to generate power for normal daily operation.
* 2 Approximate exposure to take power up one level.
x The above times are for reference only. Actual times depend on lighting conditions.
x For details about the operating time and daily operating conditions, see the “Power
Supply” section of the Specifications (page E-54).

A Power Saving feature causes the watch to enter a sleep state automatically
whenever it is left for a certain period in an area where it is dark.
How Power Saving works
The watch will enter the sleep state if it is left in a dark location for about one week.
x In the sleep state:
− All hands stop at 12 o’clock.
− Auto Receive is disabled.
− Internal timekeeping continues to operate normally.
x The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch
is already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep
state.

E-20

E-21

To recover from the sleep state
Move the watch to a well-lit area, press the A button, or pull out the crown to the
first click.
x It can take up to eight minutes for the watch to resume normal operation after
recovering from the sleep state. Do not perform any button operations during that
time.

Radio Controlled Atomic Timekeeping
This watch receives a time calibration signal and updates its time setting accordingly.
However, when using the watch outside of areas covered by time calibration signals,
you will have to adjust the settings manually as required. See “Configuring Time and
Date Settings Manually” (page E-35) for more information.
This section explains how the watch updates its time settings when the city name
selected as the current location is in Japan or China, and is one that supports time
calibration signal reception.
If your location setting is this:
CN (HKG, HONG KONG)

The watch can receive the signal from the transmitter
located here:
Shangqiu City (China)

JP (TYO, TOKYO)

Fukushima (Japan), Fukuoka/Saga (Japan)

OFF

No signal received

E-22

E-23

Approximate Reception Ranges
Japanese Signal
500 kilometers

Fukushima

Chinese Signal
500 kilometers

Changchun
Beijing
Shangqiu
Shanghai
Chengdu
Hong Kong

Fukuoka/Saga

1,000 kilometers

1,500 kilometers

x Even when the watch is within range of a transmitter, signal reception may be
impossible due to the effects of geographic contours, structures, weather, the time
of year, the time of day, radio interference, etc. The signal becomes weaker at
distances of approximately 500 kilometers, which means that the influence of the
above conditions becomes even greater.
x Signal reception may not be possible at the distances noted below during certain
times of the year or day. Radio interference may also cause problems with
reception.
− Fukushima or Fukuoka/Saga (Japan) transmitter: 500 kilometers (310 miles)
− Shangqiu (China) transmitter: 500 kilometers (310 miles)
x As of December 2010, China does not use Daylight Saving Time (DST). If China
does go to the Daylight Saving Time system in the future, some functions of this
watch may no longer operate correctly.
x Using this watch in a country covered by a time calibration that is different from the
countries it supports may result in incorrect time indication due to local application
of summer time, etc.

E-25

E-24

To get ready for a receive operation
1. Place the watch in a location where signal reception is good.
x Position the watch as shown in the nearby
illustration, with the part of the dial between
7 and 8 o’clock pointed towards a window.
Make sure there are no metal objects nearby.
x Signal reception normally is better at night.
7 to 8 o’clock
x The receive operation takes from three to
eight minutes, but in some cases it can take
as long as 18 minutes. Take care that you do
not perform any button operation or move the
watch during this time.

x Signal reception may be difficult or even impossible under the conditions
described below.

Inside or
among
buildings

Inside a
vehicle

Near
household
appliances,
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

E-26

2. What you should do next depends on whether you are using Auto Receive or
Manual Receive.
x Auto Receive: Leave the watch over night in the location you selected in step 1.
See “Auto Receive” below for details.
x Manual Receive: Perform the operation under “To perform manual receive” on
page E-29.
Auto Receive
x With Auto Receive, the watch performs the receive operation each day
automatically. Reception times depend on the location settings: 2:00, 3:00, and
4:00 a.m. for JP (TYO, TOKYO), and 1:00, 2:00, and 3:00 a.m. for CN (HKG,
HONG KONG). When any receive operation is successful, none of the other receive
operations for that day are performed.
x When a calibration time is reached, the watch will perform the receive operation.
The receive operation is not performed if a calibration time is reached while you are
configuring settings.

E-28

E-27

To perform manual receive
1. Hold down A for at least two seconds.
@
x The x Second Hand will first indicate the last receive
results as either Y (YES) or N (NO), and then move
to RC (Receive in progress) to indicate that signal
reception has started.
2. The watch’s time setting is adjusted automatically
whenever a receive operation is successful.
Note
x It can take as long as 30 seconds for signal reception
conditions to stabilize.
x If you want to stop a receive operation at any time,
press A.
x If reception fails for some reason, check the
surrounding area and eliminate possible causes for
failure and then try again. See “To get ready for a
receive operation” (page E-26).
E-29

Operation Guide 5196/5252/5301
To check the result of the latest receive operation
1. Press A.
@
x The x Second Hand will indicate the result of the last
receive operation.
Y (YES)

Receive successful

N (NO)

Receive failed

2. Press A to return to regular timekeeping. Regular
timekeeping also will resume if no operation is
performed for about five seconds.
Note
x The x Second Hand will indicate N (NO) if you have
adjusted the time setting manually since the latest
receive operation.

Radio-controlled Atomic Timekeeping Precautions
x Strong electrostatic charge can result in the wrong time setting.
x Even if a receive operation is successful, certain conditions can cause the time
setting to be off by up to one second.
x The watch is designed to update the date automatically for the period January 1,
2000 to December 31, 2099. Updating of the date by signal reception will no longer
be performed starting from January 1, 2100.
x If you are in an area where signal reception is not possible, the watch keeps time
with the precision noted in “Specifications” (page E-54).
x The receive operation is disabled under any of the following conditions.
− While the battery charge level is at Level 3 or lower (page E-16)
− While the watch is in the function sleep state (power saving, page E-21)

E-30

E-31

Configuring Time and Date Settings
Normally time and date settings are configured automatically when a time calibration
signal is received in accordance with your location setting.
Important!
x Whenever you are in an area where a signal cannot be received or if your location
setting does not support signal reception, you will need to configure time settings
manually. See “Configuring Time and Date Settings Manually” (page E-35).

Location Setting

Setting the wrong location can make reception impossible or may result in incorrect
time settings. See “Radio Controlled Atomic Timekeeping” (page E-23).
Important!
x When using this watch in China, set CN (HKG, HONG KONG) as the location.
To check the current location setting
1. Pull the crown out to the first click.
x The x Second Hand will move to the currently
selected location.
2. Push the crown back in.
x The x Second Hand will perform movement
that indicates whether the watch’s battery
requires charging. After that, regular
timekeeping will resume. See “To use the
charging guide” (page E-18).

Select one of the location settings shown below in accordance with your current
location.
In China

CN (HKG, HONG KONG)

In Japan

JP (TYO, TOKYO)

Any other location

OFF (Receive off)

E-32

E-33

To change the location setting
1. Pull out the crown to the first click.
x The x Second Hand will move to the currently
selected location.
2. Rotate the crown to move the x Second Hand
to the location setting you want to use.
Important!
x Leaving the crown pulled out for more than two
minutes without performing any operation will
automatically cause setting operation to become
disabled. If this happens, press the crown
back in and then pull it out again to configure
settings.

3. Push the crown back in.
x The x Second Hand will perform movement that indicates whether the watch’s
battery requires charging. After that, regular timekeeping will resume. See “To
use the charging guide” (page E-18).

Configuring Time and Date Settings Manually
You should configure time and date settings manually when you are in an area where
time calibration signal reception is not possible for some reason.
Important!
x It is recommended that you allow the watch to make time and date adjustments
automatically when in an area where the time calibration signal is receivable.

E-34

E-35

To set the time manually

@

1. Pull out the crown to the second click.
x The x Second Hand will move to A
(AM) or P (PM) in accordance with the
current time.
x Use A to cycle through the available
settings in the sequence shown below.
A

Hour and
minutes

A
AM/PM

Day

A
Year
(ones digit)

A
A

Year
(tens digit)

Month

Note
x A high-speed movement feature (one hour maximum) is available when setting the
time. See “Crown Operations” (page E-5).
3. After the time setting is the way you want, press A change to the AM/PM setting.
x The x Second Hand will move to A (AM) or P (PM).
4. Rotate the crown to move the x Second Hand to the AM/PM setting you want.
x If you want to continue on to the date setting, press A and then perform the
procedure starting from step 3 under “To set the date manually” (page E-38).
5. At the top of a minute (based on the time signal on the radio, TV, etc.), push the
crown back in to restart timekeeping.
x The x Second Hand will restart timekeeping from 0 seconds (12 o’clock).

A

2. While the hour and minutes setting is selected, rotate the crown to change the
current time setting.
E-36

E-37

2. Press A twice.
x The x Second Hand will align with the bottom of the
v Day Indicator.

To set the date manually

@

1. Pull the crown out to the second click.
x The x Second Hand will move to A
(AM) or P (PM) in accordance with the
current time.
x Use A to cycle through the available
settings in the sequence shown below.
A

Hour and
minutes

A
AM/PM

Day

A
>

E-38

Year
(ones digit)

A
A

3. Rotate the crown to change the day setting.

Year
(tens digit)

Month
A

@

>

Important!
x Note that you can change the day setting only by
advancing to the next day. You cannot go back to a
previous day. To change from 30 to 29, for example, you
must change the setting in the sequence 30
31
1 ...
29.
4. After the day setting is the way you want, press A.
x The x Second Hand will move to the current month
setting.

E-39

Operation Guide 5196/5252/5301
Dec
Jan

Nov
Oct

Feb
Mar

Sep

Aug

6. After the setting is the way you
want, press A.
x The x Second Hand will move
to the tens digit setting of the
current year.

Apr
Jul

@

5. Rotate the crown to move the
x Second Hand to the month
you want.

00
20

8. After the tens digit setting is the
way you want, press A.
x The x Second Hand will move
to the ones digit of the current
year setting.

30
90

80

May

40
70

@
Jun

7. Rotate the crown to move the
x Second Hand to the year tens
digit setting you want.

10

50
60
Year tens Digit

E-40

E-41

@

0
1
2
3

9

8

4
7

9. Rotate the crown to move the
x Second Hand to the year ones
digit setting you want.
Note
x If you want to continue on to the time
setting, press A and then perform
the procedure starting from step 2
under “To set the time manually”
(page E-36).

Adjusting the Home Positions
Strong magnetism or impact can cause the hands and/or day of the watch to be off,
even if the watch is able to perform the calibration signal receive operation. The watch
automatically detects and adjusts the position of the x Second Hand as required.
Note, however, that the watch does not automatically correct the positions of the
z Hour Hand, c Minute Hand, or v Day Indicator. You need to correct the positions
of these manually.

10. At the top of a minute (based on
the time signal on the radio, TV,
etc.), push the crown back in to
restart timekeeping.

5
6
Year ones Digit

x The x Second Hand will restart timekeeping from 0 seconds (12 o’clock).
Note
x The watch automatically makes adjustments in the day setting to account for
different length months and leap year.
E-42

E-43

Adjusting Home Positions Manually

Hands off within ±15 minutes 00 seconds

Important!
x You do not need to perform the procedure in this section if the watch is indicating
the hour, minute, and day normally.

4. Rotate the crown to move the x Second Hand and c Minute Hand to their correct
home positions (12 o’clock).
x A high-speed movement feature (15 minutes maximum) is available when
adjusting the home positions of the hands. See “Crown Operations” (page E-5).

B

@ +

1. Pull the crown out to the first click.
2. Hold down A for at least five seconds until the
x Second Hand moves to 12 o’clock.
x The c Minute Hand and x Second Hand should move
to their correct home positions (12 o’clock) when you
release A. If they do, advance to step 5.
3. What you should do next depends on how much the
hand positions are off, as described below.
x Off within ±15 minutes 00 seconds: Perform steps 4, 5,
and 6 of this procedure.
x Off by more than ±15 minutes 00 seconds: Perform
steps 7, 8, 9, and 10 of this procedure.

@

>

5. Press A and check the v Day Indicator.
x The v Day Indicator should show 1 and
the x Second Hand should align with the
bottom of the v Day Indicator. This can
take up to 90 seconds.
x If the 1 is not in the center of the v Day
Indicator, rotate the crown to center it. A
high-speed movement feature (one month
maximum) is available when adjusting the
home position of the v Day Indicator. See
“Crown Operations” (page E-5).

E-44

6. Push the crown back in.
x This exits home position adjustment and returns to regular timekeeping. Note
that it can take up to about 10 minutes before the watch returns to regular
timekeeping.
x This completes home position adjustment when the hands are off within
±15 minutes 00 seconds.

Hands off by more than ±15 minutes 00 seconds

In this case, check the position of the v Day Indicator first.
7. Press A and check the v Day Indicator.
x The v Day Indicator should show 1 and the x Second Hand should align with
the bottom of the v Day Indicator. This can take up to 90 seconds.
x If the 1 is not in the center of the v Day Indicator, rotate the crown to center it. A
high-speed movement feature (one month maximum) is available when adjusting
the home position of the v Day Indicator.

E-45

8. Press A.
x The z Hour Hand, c Minute Hand and x Second Hand should move to their
correct home positions (12 o’clock). This can take up to about 10 minutes.
9. Rotate the crown to adjust the positions of the hands.
x A high-speed forward movement feature (12 hours maximum) and a high-speed
backward movement feature (one hour maximum) are available when adjusting
the positions of the hands. See “Crown Operations” (page E-5).
10. Push the crown back in.
x This exits home position adjustment and returns to regular timekeeping. Note
that it can take up to about 10 minutes before the watch returns to regular
timekeeping.
Note
x You can stop hand adjustment at any time by pushing the crown back in. This will
return to regular timekeeping with the hands at positions reflecting any changes
you made up to that point.

E-46

Troubleshooting
Hand Movement and Position
■ The x Second Hand is moving in the pattern:
1 second
1 second
2 seconds.
The battery charge is starting to go low. Expose the watch to light to charge it. See
“Charging the Watch” (page E-14).
■ The x Second Hand is moving at two-second intervals.
■ All of the watch’s hands are stopped at 12 o’clock, and the A button and
crown do not do anything.
The battery charge may be low. Expose the watch to light until the x Second Hand
starts moving normally, at one-second intervals (page E-16).
■ The hands of the watch suddenly start moving at high speed, even when I do
not perform any operation.
This could be due to any one of the following causes. In all cases, the hand movement
does not indicate malfunction, and should stop shortly.
E-48

E-47

x The watch is recovering from a sleep state (page E-22).
x The time setting is being adjusted following a successful auto time calibration
signal receive operation (page E-23).
■ Nothing happens when I rotate the crown.
Leaving the crown pulled out for more than two minutes without performing any
operation will automatically cause the setting operation to become disabled. If this
happens, press the crown back in and then pull it out again to configure settings. See
“Crown Operations” (page E-5).
■ Hand movement is stopped.
The watch may have been exposed to magnetism, which will cause the hands to
stop at their current positions. Pull the crown out to the first click or press a button
to restart hand movement. If the indicated time is not correct, perform home position
adjustment. See “Adjusting Home Positions Manually” (page E-44).
■ The current time setting is off by hours.
Your location setting may be wrong. Check your location setting and correct it, if
necessary (page E-32).
E-49

Operation Guide 5196/5252/5301
■ The hands and/or day indications are off.
This could indicate that the watch has been exposed to magnetism or strong impact,
which has caused problems with proper hand and day alignment. Adjust the watch’s
hand and day home position alignment (page E-44).
Charging
■ The watch does not resume operation after I expose it to light.
This can happen after the battery charge level drops to Level 4 (page E-16). Continue
exposing the watch to light until the x Second Hand starts moving normally (at onesecond intervals).
Time Calibration Signal
The information in this section applies only when CN (HKG, HONG KONG), or
JP (TYO, TOKYO) is selected as the current location.

■ The x Second Hand indicates N (NO) when I check the result of the latest
receive operation.
Possible Cause

Remedy

Page

x You are wearing or moving the
watch, or performing a button
operation during the signal receive
operation.
x The watch is in an area with poor
reception conditions.

Keep the watch in an area where reception
conditions are good while the signal receive
operation is being performed.

E-26

You are in an area where signal
reception is not possible for some
reason.

See “Approximate Reception Ranges”.

E-24

The calibration signal is not being
transmitted for some reason.

x Check the website of the organization
that maintains the time calibration signal
in your area for information about its
down times.
x Try again later.

—

E-50

E-51

■ The current time setting changes after I set it manually.
You may have the watch configured for Auto Receive of the time calibration signal
(page E-28), which will cause the time to be adjusted automatically according to your
currently selected location. If this results in the wrong time setting, check your location
setting and correct it, if necessary (page E-32).
■ Auto Receive is not performed or I cannot perform Manual Receive.
Possible Cause

Remedy

Page

Your location setting is wrong.

Check your location setting and correct it,
if necessary.

E-32

There is not enough power for signal
reception.

Expose the watch to light to charge it.

E-14

E-52

Specifications
Accuracy at normal temperature: ±15 seconds a month (with no signal calibration)
Timekeeping: Hour, minutes, seconds, day
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Time Calibration Signal Reception: Auto receive up to three times a day
(Remaining auto receives cancelled as soon as one is successful);
Manual receive
Receivable Time Calibration Signals:
Fukushima, Japan (Call Sign: JJY, Frequency: 40.0 kHz); Fukuoka/
Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz); Shangqiu City,
Henan Province, China (Call Sign: BPC, Frequency: 68.5 kHz)
Other: Power Saving; Auto second hand home position correction
Power Supply: Solar panel and one rechargeable battery
Approximate battery operating time: 5 months (no exposure to light after a full
charge; one signal reception of approximately 4 minutes per day)

E-54

■ Signal reception is being performed successfully, but the time is wrong.
Possible Cause

Remedy

Page

Your location setting is wrong.

Check your location setting and correct it,
if necessary.

E-32

The watch may have been exposed
to magnetism or strong impact, which Adjust the watch’s hand home positions.
has caused problems with proper
hand alignment.

E-43

E-53



---

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