Casio 5130 (OC) Operation Manual Download Page 3

3

Operation Guide 5130 (OC)

Checking the Current Time in a Different Time Zone

You can use World Time to view the current time in one of 29 time zones around the globe. The currently 

selected city is called the “World Time City”.

Hand Functions

 Hour Hand: 

 Indicates the hour of the current time in the World Time City.

 Second Hand: 

 Indicates the currently selected World Time City.

 Minute Hand

 When you enter the World Time Mode, the 

 

x

 

Second Hand

 initially moves to 

the currently selected Home City.

To search for a city

In the World Time Mode, press 

D

 to move the 

x

 

Second Hand

 (which is 

pointing at the currently selected city code) clockwise.

 About one second or so after you release 

 

D

, the hands of the watch 

will move to the current time in the zone of the city code indicated by the 

x

 

Second Hand

.

 Note that it can take as long as one minute for the hands to move to the 

 

applicable time.
 All operations except for the following are disabled while the watch’s hands 

 

are moving to the current time for a newly selected city code. 

D

: City selection 

C

: Entering the Regular Timekeeping Mode

To check whether a time zone time is AM or PM

 In the World Time Mode, use 

1. 

D

 to select the city whose setting you want to check.

 Press 

2. 

B

 and the 

x

 

Second Hand

 will move to either 

AM

 (

A

) or 

PM

 (

P

).

 The 

 

x

 

Second Hand

 will return to the city code you selected in step 1 after about five seconds or if 

you press 

B

 again.

To change the STD/DST setting of a particular city code

Hold down 

A

 for two 

seconds.

@

 In the World Time Mode, use 

1. 

D

 to select the city whose setting you want 

to change.
 Hold down 

2. 

A

 for about two seconds to toggle between daylight saving 

time and standard time.

 Changing the setting will cause the 

 

x

 

Second Hand

 to move to 

STD

 

or 

DST

.

 The 

 

x

 

Second Hand

 will return to the city code you selected in step 1 

after about five seconds or if you press 

A

 again.

 If you want to configure other settings, wait until the 

 

x

 

Second Hand

 

moves back to the city code before proceeding.
 You can select 

 

STD

 or 

DST

 for each World Time city code, except 

UTC

.

To check the STD/DST setting for a World Time Mode city

 In the World Time Mode, use 

1. 

D

 to select the city whose setting you want 

to check.
 Press 

2. 

A

 and the 

x

 

Second Hand

 will move to either 

STD

 or 

DST

.

 The 

 

x

 

Second Hand

 will return to the city code you selected in step 1 

after about five seconds or if you press 

A

 again.

Auto Correction of Hand Home Positions

Strong magnetism or impact can cause the hands and/or day setting to be off, even if the watch is able 

to perform the signal receive operation. Auto correction of hand home positions correct the hand position 

automatically.

 Auto correction is performed in the regular timekeeping mode only.

 

 Auto correction corrects the positions of the 

 

z

 

Hour Hand

c

 

Minute Hand

, and 

x

 

Second Hand

For the day, you must perform the manual adjustment procedure under “Adjusting Home Positions 

Manually”.
 Each hour, the watch performs automatic correction of the hand positions from –55 minutes to +5 

 

minutes.
 You also can trigger auto correction of hand home positions manually, if you want. See “To trigger auto 

 

correction of hand home positions” for more information.
 Auto correction of hand home positions can take up to three and a half minutes to complete.

 

 If hand positions are off by one hour or more, correct them using the procedure under “To trigger auto 

 

correction of hand home positions” or “Adjusting Home Positions Manually”.

To trigger auto correction of hand home positions

 Perform the following procedure when the time setting is off.

 

In the regular timekeeping mode, hold down 

B

 for about six seconds until the 

x

 

Second Hand

 completes one full revolution.

 Though the 

 

x

 

Second Hand

 will stop momentarily about three seconds after 

you hold down 

B

, do not release the button yet. Wait until the 

x

 

Second 

Hand

 completes a full revolution before you release 

B

.

 To interrupt an ongoing correction operation and return to regular 

 

timekeeping, press 

B

 again.

 If you release 

 

B

 when the 

x

 

Second Hand

 stops the first time (after about 

three seconds) in the above operation, the watch will enter the home position 

adjustment mode, which is described under “Adjusting Home Positions 

Manually”. If this happens, press 

A

 to return to regular timekeeping and 

then perform the above operation again.
 Manually triggered auto correction of hand home positions performs the 

 

following two steps.

 The hands will move automatically in order to determine the home positions 

1. 

of the watch.
 After the hand home positions are determined, the watch will return to 

2. 

normal timekeeping automatically. This completes the correction operation.

Adjusting Home Positions Manually

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 signal receive operation. If this happens, perform the applicable home position 

adjustment procedures in this section.

 Hand home position adjustment is not required if the time and day settings are correct.

 

 You also can use auto correction of the hand home positions to correct the home positions of the 

 

z

 

Hour Hand

c

 

Minute Hand

, and 

x

 

Second Hand

.

Note

 Any time after you enter the home position adjustment mode in step 1 of the following procedure, you 

can return to regular timekeeping by pressing 

A

. The watch also will return to regular timekeeping 

automatically if you do not perform any operation for about two or three minutes in the home position 

adjustment mode. In either case, any adjustments you made before the watch returned to regular 

timekeeping will be applied.

@

B

+

B

+

@

To check the current Home City STD/DST setting

 In the Regular Timekeeping Mode, press 

1. 

D

.

 This will cause the 

 

x

 

Second Hand

 to move to the current Home City setting.

 After about two seconds (or if your press 

2. 

D

), the 

x

 

Second Hand

 will move to either 

STD

 (standard 

time) or 

DST

 (daylight saving time).

 After about two seconds (or if your press 

3. 

D

), the watch will return to the Regular Timekeeping Mode.

Configuring Current Time and Date Settings Manually

You can configure current time and date settings manually when the watch is unable to receive a time 

calibration signal.

To change the current time setting manually

 In the regular timekeeping mode, keep 

1. 

A

 depressed (for about five 

seconds) as the 

x

 

Second Hand

 goes through the following sequence.

 Moves to 

 

YES

 (or 

Y

 for some models) or 

NO

 (

N

) to indicate the last signal 

reception result, then to 

READY

 (

R

), and then 

AM

 (

A

) or 

PM

 (

P

).

 Use 

2. 

C

 to cycle through available settings in the sequence shown below.

 See “To configure Home City settings” for details about selecting a Home 

 

City.

Hour/Minute

Year (tens digit)

Year (ones digit)

Day

Month

 Use 

3. 

D

 (+) and 

B

 (–) to change the time (hour and minute) setting.

 Each press of either button will move the hands (

 

z

 

Hour Hand

 and 

c

 

Minute Hand

) one minute.

 Holding down 

 

D

 or 

B

 will start high-speed 

z

 

Hour Hand

 and 

c

 

Minute 

Hand

 movement in the applicable direction. To stop high-speed hand 

movement, press any button.

@

@

B

+

 After the time setting is the way you want, press 

4. 

A

 to return to regular timekeeping.

 This will cause the 

 

x

 

Second Hand

 to move automatically to 12 o’clock and resume movement from 

there.

To change the current date setting manually

 In the regular timekeeping mode, keep 

1. 

A

 depressed (for about 

five seconds) as the 

x

 

Second Hand

 goes through the following 

sequence.

 Moves to 

 

YES

 (or 

Y

 for some models) or 

NO

 (

N

) to indicate the 

last signal reception result, then to 

READY

 (

R

), and then 

AM

 (

A

or 

PM

 (

P

).

 Press 

2. 

C

.

 The 

 

x

 

Second Hand

 will move to the tens digit of the current year 

setting. This is the year setting mode.
 The year can be set in the range of 2000 to 2099.

 

 Press 

3. 

D

 to move the 

x

 

Second Hand

 clockwise until it is pointing at 

the year tens digit you want to select.

@

00

50

10

40

20

30

90

60

80

70

Setting the year (tens digit)

 After you select the year tens digit, press 

4. 

C

.

 The 

 

x

 

Second Hand

 will move to the ones digit of the current year.

 Press 

5. 

D

 to move the 

x

 

Second Hand

 clockwise until it is pointing at 

the year ones digit you want to select.
 After you select the year ones digit, press 

6. 

C

.

 The 

 

x

 

Second Hand

 will move to the currently selected month. 

This is the month setting mode.

0

@

5

1

4

2

3

9

6

8

7

Setting the year (ones digit)

 Use 

7. 

D

 to move the 

x

 

Second Hand

 to the month setting you 

want.
 After the month setting is the way you want, press 

8. 

C

.

 This will enter the day setting mode. The day indicator will move 

 

slightly when the day setting mode is entered. This is normal.
 The 

 

x

 

Second Hand

 will remain at the month setting you 

selected in the previous step.

 Use 

9. 

D

 (+) and 

B

 (–) to change the 

v

 

Day

 setting.

 If you want to change the time setting at this time, press 

 

C

 

and then perform the procedure starting from step 3 under “To 

change the current time setting manually”.

 After the settings are the way you want, press 

10. 

A

 to return to 

regular timekeeping.

 This will cause the 

 

x

 

Second Hand

 to move automatically to 

12 o’clock and resume movement from there.

Note

 The watch’s built-in full automatic calendar 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 rechargeable battery replaced or after power drops to 

Level 3.

@

Setting the month

Dec

May

Jan

Apr

Feb
Mar

Sep

Jun

Aug

Jul

Oct

Nov

@

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