Casio 3150 Operation Manual Download Page 8

Operation Guide 3150

8

Charging Guide

After a full charge, timekeeping remains enabled for up to about seven
months.

The following table shows the amount of time the watch needs to be
exposed to light each day in order to generate enough power for normal
daily operations.

Since these are the specs, we can include all the technical details.

Watch not exposed to light

Internal timekeeping

Display on 18 hours per day, sleep state 6 hours per day

1 illumination operation(1.5 second) per day

10 seconds of alarm operation per day

Measurement of 26 Rally Mode stages per month

4 minutes of signal reception per day

Stable operation is promoted by frequent exposure to light.

Exposure Level (Brightness)

Outdoor Sunlight (50,000 lux)

Sunlight Through a Window (10,000 lux)

Daylight Through a Window on a Cloudy Day (5,000 lux)

Indoor Fluorescent Lighting (500 lux)

Approximate

Exposure Time

5 minutes

24 minutes

48 minutes

8 hours

Recovery Times

The table below shows the amount exposure that is required to take the
battery from one level to the next.

The above exposure time values are all for reference only. Actual required
exposure times depend on lighting conditions.

Approximate Exposure Time

Level 5

Level 4

Level 3

Level 2

Level 1

2 hours

25 hours

7 hours

6 hours

123 hours

34 hours

11 hours

249 hours

69 hours

111 hours

- - - - - - - -

- - - - - - - -

Exposure Level
(Brightness)

Outdoor Sunlight
(50,000 lux)

Sunlight Through a
Window (10,000 lux)

Daylight Through a
Window on a Cloudy
Day (5,000 lux)

Indoor Fluorescent
Lighting (500 lux)

Timekeeping

Press the 

B

 button to toggle the lower display

between the day of the week and date, and the
currently selected World Time city and time (Dual
Time).
Use the Timekeeping Mode to set and view the
current time and date.

Current Time

Seconds

PM indicator

Hour : Minutes
Seconds

Day of week

Month – Day

Dual Time

Dual time

B

B

City code

Read This Before You Set the Time and Date!

This watch is preset with a number of city codes, each of which represents
the time zone where that city is located. When setting the time, it is important
that you first select the correct city code for your Home City (the city where
you normally use the watch). If your location is not included in the preset city
codes, select the preset city code that is in the same time zone as your
location.

Note that all of the times for the World Time Mode city codes are displayed
in accordance with the time and date settings you configure in the
Timekeeping Mode.

To set the time and date manually

1. In the Timekeeping Mode hold down 

A

 until

the city code starts to flash, which indicates
the setting screen.

2. Use 

D

 and 

B

 to select the city code you

want.

Make sure you select your Home City code
before changing any other setting.

l lll

lll

ll

lll

ll

l l l l

For full information on city codes, see the “UTC Differential/City Code List”.

3. Press 

C

 to move the flashing in the sequence shown below to select the

other setting.

Seconds

12/24-Hour 

Format

Hour

Minutes

DST

Month

Year

City Code

Day

Power Saving

The following steps explain how to configure timekeeping settings only.

4. When the timekeeping setting you want to change is flashing, use 

D

 or

B

 to change it as described below.

Change the city code

Cycle between Auto DST
(

A

vtA

), Daylight Saving Time

(

ON

) and Standard Time

(

OFF

).

Use 

D

 (east) and 

B

(west).
Press 

D

.

Screen:

To do this:

Do this:

5. Press 

A

 to exit the setting screen.

Toggle between 12-hour (

)

and 24-hour (

)

timekeeping
Reset the seconds to 
Toggle the display illumination
duration between 1.5 and 3
seconds
Change the hour and minutes

Change the year, month, or day

Toggle between Power Saving
on (

) and off (

)

Press 

D

.

Press 

D

.

Press 

B

.

Use 

D

 (+) and 

B

 (–).

Press 

D

.

Auto DST (

A

vtA

) can be selected only while 

LIS

LON

MAD

PAR

,

ROM

BER

STO

ATH

MOW

TPE

SEL

TYO

HNL

ANC

,

YVR

LAX

YEA

DEN

MEX

CHI

MIA

YTO

NYC

YHZ

,

or 

YYT

 is selected as the Home City code. For more information, see

“Daylight Saving Time (DST)” below.

The day of the week is displayed automatically in accordance with the date
(year, month, and day) settings.

12-hour and 24-hour timekeeping

With the 12-hour format, the 

P

 (PM) indicator appears to the left of the hour

digits for times in the range of noon to 11:59 p.m. and no indicator appears
to the left of the hour digits 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,
without any indicator.

The 12-hour/24-hour timekeeping format you select in the Timekeeping
Mode is applied in all other modes.

Daylight Saving Time (DST)

Daylight Saving Time (summer time) 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 Mainflingen (Germany), Anthorn
(England), or Fort Collins (the United States) include both Standard Time and
DST data. When the Auto DST setting is turned on, the watch switches
between Standard Time and DST (summer time) automatically in accordance
with the signals.

Though the time calibration signal transmitted by the Fukushima and
Fukuoka/Saga, Japan transmitters include summer time data, summer time
currently is not implemented in Japan (as of 2007).

The default DST setting is Auto DST (

A

vtA

) whenever you select 

LIS

,

LON

MAD

PAR

ROM

BER

STO

ATH

MOW

TYO

ANC

,

YVR

LAX

YEA

DEN

MEX

CHI

MIA

YTO

NYC

YHZ

, or

YYT

 as your Home City code.

If you experience problems receiving the time calibration signal in your
area, it probably is best to switch between Standard Time and Daylight
Saving Time (summer time) manually.

To change the Daylight Saving Time (summer time) setting

1. In the Timekeeping Mode, hold down 

A

 until

the city code starts to flash, which indicates
the setting screen.

2. Press 

C

 and the DST setting screen appears.

3. Use 

D

 to cycle through the DST settings in

the sequence shown below.

Auto DST (

A

vtA

)

DST off (

OFF

)

DST on (

ON

)

l l l

ll

ll

ll

ll

l l l

lll

ll

lll

l l

DST indicator

Summary of Contents for 3150

Page 1: ...g Function for more information About This Manual Depending on the model of your watch display text appears either as dark figures on a light background or light figures on a dark background All sample displays in this manual are shown using dark figures on a light background Button operations are indicated using the letters shown in the illustration Each section of this manual provides you with t...

Page 2: ...gnal transmitters and so certain conditions may cause problems with signal reception Calibration signal reception is disabled while a countdown timer target time operation is in progress Home City Code LON PAR BER ATH LIS MAD ROM STO MOW HKG BJS TPE TYO SEL HNL ANC LAX DEN CHI NYC YVR YEA MEX MIA YTO YHZ YYT Frequency 60 0 kHz 77 5 kHz 68 5 kHz 40 0 kHz 60 0 kHz 60 0 kHz Transmitter Anthorn Englan...

Page 3: ... reception date and time appear on the display along with the GET indicator 4 After manual receive is complete press D to return to the Timekeeping mode The watch also will exit the Receive Mode if you do not perform any button operation for about one or two minutes l l l l l l l l ll l l l l l l l ll l l Receiving Receive successful If the latest reception fails but a previous reception was succe...

Page 4: ... 20 10 9 8 7 6 5 4 3 2 1 and 0 seconds You can cancel the auto start countdown at any point and start time measurement special stage manually by pressing the D button You can cancel the countdown and return to the countdown start screen by pressing the B button while a countdown is in progress Auto start countdown seconds indicator Remaining auto start countdown time 36 seconds indicated here Spec...

Page 5: ...procedure to clear all of the measurement data records currently stored in watch memory 1 Use the D and B button to display the total measurement time screen 2 Hold down A until the display contents start to flash This is the setting screen 3 Press the D and B buttons at the same time to delete the records 4 Press the A button to exit the setting screen l l l l l l l l l l l l l l l l l l l l ll l...

Page 6: ...ator ON To turn the Hourly Time Signal on and off 1 In the Alarm Mode use D to select the Hourly Time Signal SIG 2 Press B to toggle it on and off The Hourly Time Signal on indicator is shown on the display in all modes while this function is turned on Hourly time signal on indicator Stopwatch The stopwatch lets you measure elapsed time split times and two finishes The display range of the stopwat...

Page 7: ...cell so regular battery replacement is not required However after very long use the rechargeable battery may lose its ability to achieve a full charge If you experience problems getting the special rechargeable battery to charge fully contact your dealer or CASIO distributor about having it replaced Never try to remove or replace the watch s special battery yourself Use of the wrong type of batter...

Page 8: ...o move the flashing in the sequence shown below to select the other setting Seconds 12 24 Hour Format Hour Minutes DST Month Year City Code Day Power Saving The following steps explain how to configure timekeeping settings only 4 When the timekeeping setting you want to change is flashing use D or B to change it as described below Change the city code Cycle between Auto DST AvtA Daylight Saving Ti...

Page 9: ...setting to be off by up to one second The current time setting in accordance with the time calibration signal takes priority over any time settings you make manually The watch is designed to update the date and day of the week automatically for the period January 1 2000 to December 31 2099 Setting of the date by the time calibration signal cannot be performed starting from January 1 2100 This watc...

Page 10: ...urn the face of the watch towards you This does not necessarily indicate malfunction of the auto light switch You may notice a very faint clicking sound coming from the watch when it is shaken back and forth This sound is caused by mechanical operation of the auto light switch and does not indicate a problem with the watch Pago Pago Honolulu Anchorage Vancouver Los Angeles Edmonton Denver Mexico C...

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