Casio 3150 User Manual
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MO0805-EA

Operation Guide 3150

Getting Acquainted

Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to read this manual carefully.

Keep the watch exposed to bright light

Bright Light

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Solar cell

The electricity generated by the solar cell of the watch is stored by a built-inbattery. Leaving or using the watch where it is not exposed to light causes the battery to run down. Make sure the watch is exposed to light as much as possible.

When you are not wearing the watch on your wrist, position the face so it is pointed at a source of bright light.

You should try to keep the watch outside of your sleeve as much as possible. Charging is reduced significantly if the face is only partially covered.

The watch continues to operate, even when it is not exposed to light. Leaving the watch in the dark can cause the battery to run down, which will result in some watch functions to be disabled. If the battery goes dead, you will have to re-configurewatch settings after recharging. To ensure normal watch operation, be sure to keep it exposed to light as much as possible.

Battery charges in the light.

Solar cell

Bright Light

(Converts light to

 

Electrical

electrical power.)

 

energy

 

LEVEL 1

All

 

functions

 

LEVEL 2

 

enabled

Charge

LEVEL 3

 

LEVEL 4

 

Rechargeable battery

Battery discharges in the dark.

 

LEVEL 1

 

 

LEVEL 2

 

Dis-

LEVEL 3

Some or all

functions

charge

LEVEL 4

disabled

The actual level at which some functions are disabled depends on the watch model.

Frequent display illumination can run down the battery quickly and require charging. The following guidelines give an idea of the charging time required to recover from a single illumination operation.

Approximately 5 minutes exposure to bright sunlight coming in through a window

Approximately about 8 hours exposure to indoor fluorescent lighting

Be sure to read “Power Supply” for important information you need to know when exposing the watch to bright light.

If the display of the watch is blank...

If the display of the watch is blank, it means that the watch’s Power Saving function has turned off the display to conserve power.

See “Power Saving Function” for more information.

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.

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

General Guide

Press C to change from mode to mode.

In any mode (except when a setting screen is on the display), press Lto illuminate the display.

Timekeeping Mode

Press C.

Radio-controlledAtomic Timekeeping

This watch receives a time calibration signal and updates its time setting accordingly.

This watch is designed to pick up the time calibration signals transmitted in Germany (Mainflingen), England (Anthorn), the United States (Fort Collins), China (Shangqiu), and Japan (Fukushima, Fukuoka/Saga).

Current Time Setting

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

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

When using the watch outside the areas covered by the time signal transmitters, you will have to adjust the current time setting manually as required. See “Timekeeping” for more information about manual time settings.

The U.S. time calibration signal can be picked up by the watch while in North America. The term “North America” in this manual refers to the area that consists of Canada, the continental United States, and Mexico.

 

Rally Mode

Recall Mode

World Time Mode

 

Countdown Timer

Stopwatch Mode

Alarm Mode

Mode

 

 

To specify your Home City

PM indicator

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City code

Seconds

 

 

 

Hour : Minutes

1.In the Timekeeping Mode, hold down A until the city code starts to flash, which indicates the setting screen.

2.Press D (east) and B(west) to select the city code you want to use as your Home City. LIS,LON : Lisbon,London

MAD,PAR,ROM,BER,STO : Madrid, Paris, Rome, Berlin, Stockholm

ATH : AthensMOW : Moscow

HKG,BJS,TPE :Hong Kong, Beijing, TaipeiSEL,TYO : Seoul, Tokyo

HNL : HonoluluANC : Anchorage

YVR,LAX : Vancouver, Los Angeles

YEA,DEN : Edmonton, Denver

MEX,CHI : Mexico City, Chicago

MIA,YTO,NYC : Miami, Toronto, New York

YHZ

: Halifax

YYT

: St.Johns

1

Operation Guide 3150

3. Press Ato exit the setting screen.

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 also can perform manual receive or you can set the time manually.

The watch will receive the time calibration signal automatically from the applicable transmitter (in the middle of the night) and update its settings accordingly. For information about the relationship between city codes and transmitters, see “Time Calibration Signal Reception” and “Transmitters”.

See the maps under “Approximate Reception Ranges” for information about the reception ranges of the watch.

You can disable time signal reception, if you want. See “To turn auto receive on and off” for more information.

Under factory default settings, auto receive is turned off for all of the following city codes: MOW (Moscow),HNL (Honolulu), andANC (Anchorage). For details about turning on auto receive for these city codes, see “To turn auto receive on and off”.

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 receives the time calibration signal automatically up to six times a day. When any auto receive is successful, the remaining auto receive operations are not performed. 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!

When getting ready to receive the time calibration signal, position the watch as shown in the nearby illustration, with its 12 o’clock side facing towards a window. This watch is designed to receive a time calibration signal late at night. Because of this, you should place the watch near a window as shown in the illustration when you take it off at night. Make sure there are no metal objects nearby.

12 o’clock

or

Make sure the watch is facing the right way.

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

Inside or

Inside a

Near

Near a

Near high-

Among or

among

vehicle

household

construction

tension

behind

buildings

 

appliances,

site, airport,

power lines

mountains

 

 

office

or other

 

 

 

 

equipment,

sources of

 

 

 

 

or a mobile

electrical

 

 

 

 

phone

noise

 

 

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

Time calibration signal reception takes from two to seven minutes, but in some cases it can take as long as 14 minutes. Take care that you do not perform any button operations or move the watch during this time.

The time calibration signal the watch will attempt to pick up depends on its current Home City code setting as shown below.

Home City Code

Transmitter

Frequency

LON, PAR, BER, ATH,

Anthorn (England)

60.0 kHz

LIS, MAD, ROM, STO, MOW

Mainflingen (Germany)

77.5 kHz

HKG, BJS

Shangqiu City (China)

68.5 kHz

TPE, TYO, SEL

Fukushima (Japan)

40.0 kHz

Fukuoka/Saga (Japan)

60.0 kHz

 

HNL*, ANC*, LAX, DEN,

Fort Collins, Colorado

 

CHI, NYC, YVR,YEA, MEX,

60.0 kHz

(the United States)

MIA, YTO, YHZ,YYT

 

 

*The areas covered by the HNL,ANC, andMOW city codes are quite far from the time calibration signal 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.

Approximate Reception Ranges

1,500 kilometers

Anthorn

 

500 kilometers

Mainflingen

 

The Anthorn

2,000 miles

signal is

receivable within

(3,000 kilometers)

this area.

 

 

600 miles

 

(1,000 kilometers)

 

Fort

 

Collins

500

 

kilometers

500

 

kilometers

Fukuoka/Saga

Fukushima

1,000

1,000

kilometers

kilometers

 

Signals are receivable in the Taiwan area when reception conditions are good.

Changchun

1,500 kilometers

500 kilometers

Beijing

Shanghai

Chengdu

Hong Kong

Shangqiu

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.

Mainflingen (Germany) or Anthorn (England) transmitters: 500 kilometers (310 miles)

Fort Collins (United States) transmitter: 600 miles (1,000 kilometers) Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles) Shangqiu (China) transmitter: 1500 kilometers (910 miles)

Even when the watch is within the reception range of the transmitter, signal reception will be impossible if the signal is blocked by mountains or other geological formations between the watch and signal source.

Signal reception is affected by weather, atmospheric conditions, and seasonal changes.

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

About Auto Receive

The watch receives the time calibration signal automatically up to six times a day. When any auto receive is successful, the remaining auto receive operations are not performed. The reception schedule (calibration times) depends on your currently selected Home City, and whether standard time or Daylight Saving Time is selected for your Home City.

Your Home City

 

Auto Receive Start Times

 

 

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2

3

4

5

6

 

 

 

 

LON,

Standard Time

1:00 am

2:00 am

3:00 am

4:00 am

5:00 am

Midnight*

 

LIS

Daylight Saving Time

2:00 am

3:00 am

4:00 am

5:00 am

Midnight*

1:00 am*

 

PAR,

 

 

 

 

 

 

 

 

BER,

Standard Time

2:00 am

3:00 am

4:00 am

5:00 am

Midnight*

1:00 am*

 

MAD,

Daylight Saving Time

3:00 am

4:00 am

5:00 am

Midnight*

1:00 am*

2:00 am*

 

ROM,

 

 

 

 

 

 

 

 

STO

 

 

 

 

 

 

 

 

ATH

Standard Time

3:00 am

4:00 am

5:00 am

Midnight*

1:00 am*

2:00 am*

 

 

Daylight Saving Time

4:00 am

5:00 am

Midnight*

1:00 am*

2:00 am*

3:00 am*

 

MOW

Standard Time

4:00 am

5:00 am

Midnight*

1:00 am*

2:00 am*

3:00 am*

 

 

Daylight Saving Time

5:00 am

Midnight*

1:00 am*

2:00 am*

3:00 am*

4:00 am*

 

HKG,

Standard Time and

1:00 am

2:00 am

3:00 am

4:00 am

5:00 am

 

 

BJS

Daylight Saving Time

 

 

 

 

 

 

 

TYO,

Standard Time

Midnight

1:00 am

2:00 am

3:00 am

4:00 am

5:00 am

 

TPE,

 

 

 

 

 

 

 

 

SEL

 

 

 

 

 

 

 

 

HNL,

Standard Time and

Midnight

1:00 am

2:00 am

3:00 am

4:00 am

5:00 am

 

ANC,

Daylight Saving Time

 

 

 

 

 

 

 

LAX,

 

 

 

 

 

 

 

 

DEN,

 

 

 

 

 

 

 

 

CHI,

 

 

 

 

 

 

 

 

NYC,

 

 

 

 

 

 

 

 

YVR,

 

 

 

 

 

 

 

 

YEA,

 

 

 

 

 

 

 

 

MEX,

 

 

 

 

 

 

 

 

MIA,

 

 

 

 

 

 

 

 

YTO,

 

 

 

 

 

 

 

 

YHZ,

 

 

 

 

 

 

 

 

YYT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Next day

 

 

 

 

 

 

 

 

2

Operation Guide 3150

Note

When a calibration time is reached, the watch will receive the calibration signal only if it is in either the Timekeeping Mode or World Time Mode. Reception is not performed if a calibration time is reached while you are configuring settings.

Auto receive of the calibration signal is designed to be performed early in the morning, while you sleep (provided that the Timekeeping Mode time is set correctly). Before going to bed for the night, remove the watch from your wrist, and put it in a location where it can receive the signal easily.

The watch receives the calibration signal for two to seven minutes everyday when the time in the Timekeeping Mode reaches a calibration time. Do not perform any button operation within seven minutes before or after the calibration times. Doing so can interfere with correct calibration.

Remember that reception of the calibration signal depends on the current time in the Timekeeping Mode. The receive operation will be performed whenever the display shows any one of the calibration times, regardless of whether or not the displayed time actually is the correct time.

About the Signal Strength Indicator

The signal strength indicator shows the strength of the calibration signal being received. For best reception, be sure to keep the watch in a location where signal strength is strongest. The signal strength indicator is displayed while an auto or manual receive operation is in progress.

Signal strength indicator

 

 

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Weak

Strong

(Level 1)

(Level 3)

Even in an area where signal strength is strong, it takes about 10 seconds for signal reception to stabilize enough for the signal strength indicator to indicate signal strength.

Use the signal strength indicator as a guide for checking signal strength and for finding the best location for the watch during signal receive operations.

Following reception of the time calibration signal and calibration of the watch’s time setting, the Level 3 signal strength indicator will remain on the display in all modes. The Level 3 signal strength indicator will not be displayed if signal reception was unsuccessful or after you adjust the current time setting manually.

The Level 3 signal strength indicator is displayed only when the watch is able to receive both time and date data successfully. It does not appear when only time data is received.

The Level 3 signal strength indicator indicates that at least one of the auto calibration signal receive operations was successful. Note, however, that the Level 3 signal strength indicator disappears from the display each day when the first auto receive operation of the day is performed.

To perform manual receive

Receiving

 

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Receive successful

Receive failed

If there was a previously successful reception

1.In the Timekeeping Mode, press D to display the last successful receive time and date screen.

2.Press D to enter the Receive Mode.

3.Hold down D for about two seconds until starts to flash on the display.

Time calibration signal reception takes from two to seven minutes. Take care that you do not perform any button operations or move the watch during this time.

If the receive operation is successful, the reception date and time appear on the display, along with the GET indicator.

4.After manual receive is complete, press Dto

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.

If the latest reception fails but a previous

reception was successful, an indicator ( ) will be on the display.

The watch will enter the Receive Mode without changing the time setting if you press D or if you do not perform any button operation for about one or two minutes.

Note

To interrupt a receive operation and return to the Receive Mode, press D.

If no reception was successful

To turn auto receive on and off

 

 

 

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On/Off status

1.In the Timekeeping Mode, press Dto display the last successful receive time and date screen.

2.Hold down A until the current auto receive setting (ON orOFF) starts to flash. This is the setting screen.

Note that the setting screen will not appear if the currently selected Home City is one that does not support time calibration reception.

3.Press D to toggle auto receive on (ON) and off (OFF).

4.Press A to exit the setting screen.

For information about city codes that support signal receive, see “To specify your Home City”.

To check the latest signal reception results

Press D to view the last successful receive time and date. Press D again to return to the previous screen.

Signal Reception Troubleshooting

Check the following points whenever you experience problems with signal reception.

Problem

Probable Cause

What you should do

Cannot perform

The watch is not in the

Enter the Timekeeping

manual receive.

Timekeeping Mode.

Mode and try again.

 

Your current Home City is not

SelectLIS,LON,MAD,

 

one of the following: LIS,LON,

PAR, ROM, BER, STO,

 

MAD, PAR, ROM, BER, STO,

ATH, MOW, HKG, BJS,

 

ATH, MOW, HKG, BJS, TPE,

TPE, SEL, TYO, HNL,

 

SEL, TYO, HNL, ANC,YVR,

ANC,YVR, LAX, YEA,

 

LAX, YEA, DEN, MEX, CHI,

DEN, MEX, CHI, MIA,

 

MIA, YTO, NYC, YHZ, or YYT

YTO, NYC, YHZ, or YYT

 

 

as your Home City.

Auto receive is

You changed the time setting

Perform manual signal

turned on, but

manually.

receive or wait until the

the Level 3

The DST setting was changed

next auto signal receive

signal strength

manually in the World Time

operation is performed.

indicator does

Mode.

Check to make sure the

not appear on

You pressed a button while

watch is in a location

the display.

signal receive was in progress.

where it can receive the

 

Even if receive is successful,

signal.

 

the Level 3 signal strength

 

 

indicator disappears from the

 

 

display each day when the first

 

 

auto receive operation of the

 

 

day is performed.

 

 

Time data (hour, minutes,

 

 

seconds) only was received

 

 

during the last receive

 

 

operation. The Level 3 signal

 

 

strength indicator appears only

 

 

when time data and date data

 

 

(year, month, day) are both

 

 

received.

 

Time setting is

If the time is one hour off, the

Change the DST setting

incorrect

DST setting may be incorrect.

to Auto DST.

following signal

The Home City code setting is

Select the correct Home

reception.

not correct for the area where

City code.

 

you are using the watch.

 

For further information, see “Important!” under “Time Calibration Signal Reception” and “Radio-controlledAtomic Timekeeping Precautions”.

3

Special stage elapsed time (hours, minutes, seconds, 1/10second)

Operation Guide 3150

Rally Mode

The Rally Mode of your watch can be used to measure special stage elapsed time, and to keep track of the goal target time (countdown). The Rally Mode timing operation is shown in the illustration below.

Elapsed time 1/10-secondindicator

Remaining

 

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target time

 

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(hours:minutes)

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Start point

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Special stage (competitive section 42' 30" 0)

 

Target time (0:50)

DStart

 

 

 

Special Stage Elapsed Time Measurement

The special stage elapsed time is measured up to 99 hours, 59 minutes, 59.9 seconds. If the time exceeds this, timing reverts to zero and continues from there.

Before Starting Measurement

LT-05

LT-05target time (0:50)

The watch comes with 10 preset target times (link times), which you can use as-isor change to the value you want.

You can use the B button to select the target time you want while the current target time is

reset to its initial value.

 

 

LT-01

0:10

LT-07

1:30

LT-02

0:20

LT-08

2:00

LT-03

0:30

LT-09

3:00

LT-04

0:40

LT-10

5:00

LT-05

0:50

OFF

 

LT-06

1:00

 

 

To change a target time

 

 

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1. While the current target time is reset to its

 

 

 

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initial value in the Rally Mode, hold down A

 

 

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until the display contents start to flash. This is

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the setting screen.

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2. Use the D (+) and B(–)buttons to select

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the target (link) time you want to change.

 

 

 

 

 

 

 

3. Press the C button so the current target time’s hour digit starts to flash. 4. Use the D(+) and B(–)buttons to change the hour digit value.

5. Press the C button to move the flashing to the minute digits.

6. Use the D(+) and B(–)buttons to change the minute digit value.

7. After the time is setting you want, press the A button to exit the setting screen.

You can set a target time up to 24 hours, in units of one minute.

Target (link) time

C

 

Target time hours

C

 

Target time

number

 

 

 

 

minutes

 

 

 

 

 

 

 

 

 

 

 

 

C

To start a Rally Mode time measurement

Auto start countdown seconds indicator

Remaining auto start countdown time (36 seconds indicated here)

Press the D button to start the auto start countdown.

Time measurement (special stage) will start when the auto start countdown reaches 00 seconds.

The watch will beep and display illumination will flash whenever the remaining auto countdown time reaches 50, 40, 30, 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.

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Remaining target time

 

 

(minutes, seconds)

 

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Special stage time

 

 

 

 

measurement end

 

 

 

Goal

Road section (non-competitive07' 30" 0)

DStop

The watch returns to the reset

BRecord elapsed time

screen automatically when the

 

target time becomes zero.

Special Stage Timing

Measured elapsed time

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Target time

This section describes operations you can perform while special stage timing is in progress.

To pause the current time on the display

While a special stage timing operation is in progress press the D button.

This will pause the current elapsed time (flashing) on the display for about one or two minutes. Though the time is frozen on the display, the watch continues the special stage timing operation (and count down of the remaining target time) internally.

While a time is paused on the display, you can record it in memory or reset the timing operation to zero. If you don’t do anything, the display will return to the normal elapsed time measurement screen after a few minutes.

To record the time paused on the display

While a time is paused on the display (see above), press the B button.

This will save the paused time in memory and display the ongoing special stage timing operation.

The watch has enough memory to store up to 30 time records. If there are already 30 records in memory, storing a new measurement time causes the oldest record to be deleted automatically to make room for the new one.

To reset the timing operation to zero

While a time is paused on the display (see above), hold down the B button.

This will reset the elapsed time operation to zero.

The watch has enough memory to store up to 30 measurement time records. If there are already 30 records in memory, storing a new measurement time causes the oldest record to be deleted automatically to make room for the new one.

To cancel an ongoing elapsed time measurement operation

Hold down the B button to reset the elapsed time operation to zero.

To change screen contents during elapsed time measurement

Press the B button to display the remaining target time. Note that this operation is not available if “OFF” is selected for the target time.

When the remaining target

When the remaining target

time is 5 minutes or more

time is less than 5 minutes

 

 

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Target time

 

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Target time

 

 

 

 

 

 

 

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Remaining Target Time Alert

The watch will beep and display illumination will flash when the remaining target time reaches the following points, 5, 3 and 1 minute, and 30, 10, 5, 4, 3, 2, and 1 second before time up, and at time up.

4