Casio GW-002J Service Manual & Parts List Download Page 10

— 8 —

Y

ou can set the start time of the time in the range of 1 to 60

minutes, in units of one minute. 

The watch beeps for 10 seconds

when the end of the countdown is reached.

T

o

 set the timer time

1.

In the T

imer Mode, hold

down 

AAAAA

 for about two

seconds.

This will cause the minute

digits of the timer start time to

flash.

2.

Use the 

DDDDD

 (+) and 

BBBBB

 (

)

buttons to change the

start time.

Holding down either button

scrolls the start time setting at

high speed.

Y

ou can set a start time in the

range of 1 minute to 60

minutes.

3.

After start time is the way

you want, press the 

AAAAA

button.

This exits the setting screen.

The watch will also exit the

setting screen automatically if

you do not perform any

operation for about two or

three minutes.

Minutes

(Forward)

(Back)

Using the Timer

In the T

imer Mode, press the 

DDDDD

 button.

Each press of the 

D

 button starts or stops the countdown.

The timer counts down in 1/10 second units.

During elapsed time measurements, segments in the graphic

dials appear and disappear to indicated the passage of time.

(Start/Stop)

(Reset)

Minutes

Seconds

1/10 second

Pressing the 

B

 button while the countdown is stopped

resets the display to the start time.

Pressing the 

D

 button again while the timer countdown is

stopped restarts the countdown.

End of Countdown

The watch beeps for 10 seconds when the end of the countdown

is reached.

T

o

 stop the time up beeper

Press any button while the beeper is sounding to stop it.

Timer Mode

Home time settings include your Home City (the city where you will

normally use the watch), the current time and date in your Home

City

, and other settings.

Use the 

T

imekeeping Mode to configure home time settings.

Also use the following procedure when you want to turn Power

Saving on or of

f.

T

o

 configure home time settings

1.

In the T

imekeeping Mode,

hold down the 

AAAAA

 button

for about two seconds.

This will cause the city code

currently selected as the

Home City to flash on the

display

.

2.

Use the 

DDDDD

 (westward)

button and the 

BBBBB

(eastward) button to scroll

through the city codes

until the one you want to

select is displayed.

See the 

“W

orld T

ime 

City

Code List

” for information

about city codes.

Holding down either button

scrolls at high speed.

3.

When the city code you

want is displayed, press

the 

CCCCC

 button.

This will display the summer

time (DST) setting screen.

(W

estward)

(Eastward

)

TYO = 

T

o

kyo

Home City Code

4.

Press the 

DDDDD

 button to

cycle through the

available summer time

(DST) settings until the

one you want to select is

displayed.

A

 (AUTO)

This setting enables the auto summer time setting, which

turns summer time on or of

f in accordance with the received

time calibration signal.

This setting uses Japan summer time data when 

TYO

 is

selected as the Home City

, and U.S. summer time data

when 

NYC

CHI

DEN

, or 

LAX

 is selected as the Home

City

.

OF (OFF)

This setting turns of

f summer time and returns to normal

timekeeping.

On (ON)

This setting turns on summer time and advances the current

time by one hour

.

Only OFF or ON can be selected if the current Home City code is

a setting other than 

HKG

TYO

SEL

NYC

CHI

DEN

LAX

ANC

,

or 

HNL

.

5.

When the summer time

setting is the way you

want, use the 

CCCCC

 button to

cycle the display through

the settings shown below

.

Summer T

ime

Home City 

Code

Power Saving 

12/24-hour 

T

imekeeping

Hour

Minute

Month

Y

ear

Day

Seconds

Configuring Home Time Settings

Summary of Contents for GW-002J

Page 1: ...SERVICE MANUAL PARTS LIST WITHOUT PRICE QW 2914 MODULE NO R REF NO S M 883 MAR 2005 GW 002J Ver 1 Apr 2007...

Page 2: ...TERMINALS AND COMPONENTS 12 4 EXPLODED VIEW MODULE QW 2914 14 5 PARTS LIST MODULE QW 2914 15 6 PRECAUTIONS FOR REPAIR MODULE QW 2914 6 1 AC ALL CLEAR AND REMOVING OF MODULE 16 6 2 ACCURACY CHECKING 1...

Page 3: ...ve Three times a day at 1 00AM 2 00AM and 3 00AM Manual receive Last date time received display ReceivableTime Calibration Signals Fort Collins Colorado Call sign WWVB Frequency 60KHz Fukushima Japan...

Page 4: ...u place the watch in a well lit area To turn Power Saving on and off Use the procedure under Configuring Home Time Settings to turn Power Saving on or off Leaving the watch in a drawer or anywhere els...

Page 5: ...luminated illumination will turn off Display illumination does not work while you are performing a time calibration signal manual receive operation You may hear humming sound from the watch while the...

Page 6: ...s the time of day can even make reception impossible even when you are within range of the transmitter Best reception is possible late at night Location Reception is difficult and may even be impossib...

Page 7: ...A A button This will exit the setting screen and return to the last reception date and time screens To return to the Timekeeping Mode press the D button again The watch will return to the Timekeeping...

Page 8: ...buttons to display the screen for the city code whose summer time setting you want to change 2 Hold down the A A A A A button for about two seconds This toggles summer time on and off The DST indicat...

Page 9: ...alarm the alarm will sound again in about five minutes SNZ flashes on the display during the five minute period between snooze alarms indicating that the alarm will sound again The snooze alarm will...

Page 10: ...Home City and other settings Use the Timekeeping Mode to configure home time settings Also use the following procedure when you want to turn Power Saving on or off To configure home time settings 1 I...

Page 11: ...nges the display illumination duration See To specify the illumination duration for more information 8 While the hour minutes year month or day setting is flashing use the D D D D D and B B B B B butt...

Page 12: ...f5 x10y3 x10y1 x11y3 x11y4 x14y4 e5 x11y2 x14y1 x11y0 x14y2 x14y0 x14y3 x15y2 x13y2 x13y1 x15y0 DST x13y0 x13y3 PM x12y2 x12y1 x12y0 x12y3 x12y4 x13y4 x15y1 x16y0 AUTOEL x15y4 RECOVER f3 x16y2 b5 SPL1...

Page 13: ...Asel GND2 1 No bonding 2 Kl7 GND Open No Soldering Kl6 KC1 Open No Soldering Kl6 KC3 Open No Soldering 3 Latch type key 4 Short Soldering R trimming 5 Inclination sensor 6 Short Soldering N trimming 7...

Page 14: ...D KI9 GND GNDB KI3 KI1 GND GND KC1 KI6 GND VSC VDD2 GND KI8 GND GND SCR SCIN GND KC3 KI7 GND N1 SCIN N2 KI6 R3 R1 GND R2 GND SCIN KI4 KI2 KI1 KI2 KI4 KI3 P12 VSC VDD2 BD KI8 ELD KI2 AC KI5 VCH VC1 KI9...

Page 15: ...3 VC4 SCIN GND GNDB GND VSC KI5 GND ELD K12 KI1 LEDOUT R1 LEDOUT LD1 LEDOUT GND SCR VDD2 BD KI3 AC VC1 KI8 CIL VCH KI4 LD 1 RT 2 G ND G ND G ND GND LL1 VC1 GND VDD3 GND R1 VDD2 LL1 GND XTB KI5 VC2 VDD...

Page 16: ...8959 8 7231 1777 13 1012 3230 11 1016 9827 1 chip type 12a 7640 8263 2 chip type 12b 7641 0226 PCB ass y 7 1017 2603 19 1010 6532 10 1006 5664 4 1008 3365 16 1017 2600 19 1010 6532 9 1017 2597 18 723...

Page 17: ...9364 1 QW 2914YC 01TK 2 C 7 1017 2603 EL YEL 2914 A 00 QW 2914YC 01TK 1 A 8 7231 1777 HOLDER 1381 Q456843 1 QW 2914YC 01TK 1 C 9 1017 2597 INTERCONECTOR 2914 RJQ521721 001V01 QW 2914YC 01TK 1 C 10 100...

Page 18: ...Check the accuracy of the module with the quartz timer after switching the module to ACCURACY CHECKING MODE The operations are shown below A SWITCHING TO ACCURACY CHECKING MODE While pressing the A bu...

Page 19: ...the watch more than 3 seconds 4 Check the display indicates as figure 3 If 8888 is not appeared on the display disassemble again the module and check the contact spring between the Solar cell and PCB...

Page 20: ...elected correctly Perform MANUAL time calibration signal reception OK There is a possibility of the bad location for reception Perform AUTO time calibration signal reception Replace the PCB ass y Sign...

Page 21: ...2 types of PCB ass y are both in use care must be taken not to use the incorrect parts during repairs The 1 chip and 2 chip types as well as using different PCB ass y also use different spacers and h...

Page 22: ...Ver 1 Apr 2007 Correction of pages 12 13 14 15 and 19 CASIO COMPUTER CO LTD Overseas Service Division 6 2 Hon machi 1 Chome Shibuya ku Tokyo 151 8543 Japan...

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