Casio G-Shock QW-3403 Troubleshooting guide

SERVICE MANUAL
& PARTS LIST
(WITHOUT PRICE)
QW-3403
MODULE No.
REF. NO. S/M-1212
FEB. 2013
GD-350-1

CONTENTS
Page
1. SPECIFICATIONS: MODULE QW-3403................................................. 1
2. DRAWINGS: MODULE QW-3403
2-1. LCD DIAGRAM...........................................................................................2
2-2. CHECKING TERMINALS AND COMPONENTS........................................3
3. EXPLODED VIEW: MODULE QW-3403................................................. 4
4. PARTS LIST: MODULE QW-3403 .......................................................... 5
5. REPLACEMENT OF BATTERY: MODULE QW-3403
5-1. AC (ALL CLEAR) .......................................................................................6
5-2. SETTINGS AFTER AC ...............................................................................6
6. DISASSEMBLY AND REASSEMBLY: MODULE QW-3403
6-1. REMOVING THE MODULE........................................................................7
6-2. CAUTION FOR INSTALLING LCD.............................................................8
6-3. CAUTION FOR INSTALLING LIGHT GUIDE 3403....................................8
6-4. ASSEMBLY OF THE VIBRATOR ...............................................................9
7. TESTING: MODULE QW-3403
7-1. MEASURING CURRENT CONSUMPTION...............................................11
7-2. CHECKING THE MODEL..........................................................................11
7-3. ACCURACY CHECKING...........................................................................11
7-4. MODEL CHECKING ..................................................................................12
7-5. TIME ZONE CHECKING ...........................................................................12
7-6. CHECKING THE LCD SEGMENTS ..........................................................12
8. DEVICE TEST: MODULE QW-3403
8-1. DEVICE TEST MODE................................................................................13
8-2. VIBRATOR TEST.......................................................................................13
8-3. HOW TO CHECK TILT SENSOR ..............................................................14

– 1 –
QW-3403
1. SPECIFICATIONS: MODULE QW-3403
Item Detail
Battery CR2032
Battery life Approx. 5 years
Current consumption 2.21 µA maximum
See page 11
Alarm system Piezo plate on Cover/Back
Accuracy ±15 sec./month
Accuracy setting system Trimmer capacitor
Accuracy checking See page 11
Functions •Basic Functions:
Hour, minutes, seconds; a.m./p.m. (P); 12/24-hour timekeeping format;
Month, day, day of the week; Full auto calendar (2000 to 2099); Summer time
setting
•World Time:
Current time in 100 cities (35 time zones) + UTC (Universal Coordinated
Time) time display; Summer time setting
•Alarms and Hourly Time Signal:
Alarms: Daily or one-time alarms: 4
Snooze Alarm: 1
Setting units: Hour, minute
  Toneanddisplayilluminationash,orvibrationalert:10seconds
Hourlytimesignal:Beepsorvibrateseveryhouronthehour
•Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 999:59’59.99” (1000 hours)
Measurement functions: Elapsed time, cumulative time, split times
•Countdown Timer:
Countdown unit: 1/10 second
Countdown range: 24 hours
Setting unit: 1 second
Timeupalert:10-secondtoneanddisplayilluminationashing,orvibration
•Other
Lowbatteryalert;AutoreturntoTimekeepingMode;Alertbytoneandil-
lumination,orbyvibration;High-brightnessLEDlight;Selectableillumination
duration; Operation tone on/off

– 2 –
QW-3403
2. DRAWINGS: MODULE QW-3403
2-1. LCD DIAGRAM
COM0 COM1 COM2 SEG66 COM3 COM4
SEG0
SEG1
SEG2
SEG5
SEG3
SEG4
SEG8
SEG6
SEG7
SEG11
SEG9
SEG10
SEG17
SEG14
SEG12
SEG13
SEG15
SEG16
SEG20
SEG18
SEG19
SEG23
SEG21
SEG22
SEG29
SEG26
SEG24
SEG25
SEG27
SEG28
SEG30
SEG31
SEG67 SEG68
LT VIB PM1 f9e9
a9
TMR g9 MUTE d9
b9 f8c9 a8
g8 b8e8
min1 d8
col1 hyp c8 f7
e7 g7d7 a7
c7 f6e6 b7d6
g6 b6 a6c6
b0a0 DST
g0f0 c0
e0
b1 d0
g1a1 c1
e1f1 d1
b2 sec
g2a2 c2
e2f2 d2
c3b3
SIG
g3a3 d3
f3
min0 e3
col0 b4 ALM
g4a4 c4
e4f4 d4
b5a5
SNZ
g5f5 c5
e5
PM0 d5
x0y8 x0y9x0y7 x0y10 x0y6
x28y0
x27y0
x26y0
x25y0
x24y0
x23y0
x0y0
x0y5
x28y1
x27y1
x26y1
x25y1
x24y1
x23y1
x0y1
x0y4
x28y2
x27y2
x26y2
x25y2
x24y2
x23y2
x0y2
x0y3
x22y0 x22y1 x22y2
x21y2 x21y1 x21y0
x20y0 x20y1 x20y2
x19y2 x19y1 x19y0
x18y0
x18y1 x18y2
x17y2
x17y1 x17y0
x16y0
x16y1 x16y2
x15y2
x15y1 x15y0
x14y0
x14y1 x14y2
x13y2
x13y1 x13y0
x12y0
x12y1 x12y2
x11y2 x11y1 x11y0
x10y0 x10y1 x10y2
x9y2 x9y1 x9y0
x8y0
x8y1 x8y2
x7y2
x7y1 x7y0
x6y0
x6y1 x6y2
x5y2
x5y1 x5y0
x4y0
x4y1 x4y2
x3y2
x3y1 x3y0
x2y0
x2y1 x2y2
x1y1 x1y0 x1y2
SEG
COM
COM0 COM1 COM2 SEG66 COM3 COM4
SEG32
SEG35
SEG33
SEG34
SEG41
SEG38
SEG36
SEG37
SEG39
SEG40
SEG44
SEG42
SEG43
SEG47
SEG45
SEG46
SEG53
SEG50
SEG48
SEG49
SEG51
SEG52
SEG59
SEG56
SEG54
SEG55
SEG57
SEG58
SEG63
SEG60
SEG62
SEG61
SEG67 SEG68
x1y5x1y4x1y3
x2y3 x2y4 x2y5
x3y5x3y4x3y3
x4y3 x4y4 x4y5
x5y5x5y4x5y3
x6y3 x6y4 x6y5
x7y5x7y4x7y3
x8y3 x8y4 x8y5
x9y5x9y4x9y3
x10y3 x10y4 x10y5
x11y5x11y4x11y3
x12y3 x12y4 x12y5
x13y5x13y4x13y3
x14y3 x14y4 x14y5
x15y5x15y4x15y3
x16y3 x16y4 x16y5
x17y5x17y4x17y3
x18y3 x18y4 x18y5
x19y5x19y4x19y3
x20y3 x20y4 x20y5
x21y5x21y4x21y3
x22y3 x22y4 x22y5
x23y5x23y4x23y3
x24y3 x24y4 x24y5
x25y5x25y4x25y3
x26y3 x26y4 x26y5
x27y5x27y4x27y3
x28y3 x28y3 x28y5 x28y6
x27y6
x26y6
x25y6
x24y6
x23y6
x22y6
x21y6
x20y6
x19y6
x18y6
x17y6
x16y6
x15y6
x14y6
x13y6
x12y6
x11y6
x10y6
x9y6
x8y6
x7y6
x6y6
x5y6
x4y6
x3y6
x2y6
x28y7
x2y7
x3y7
x4y7
x5y7
x6y7
x7y7
x8y7
x9y7
x10y7
x11y7
x12y7
x24y7
x16y7
x23y7
x27y7
x17y7
x22y7
x26y7
x18y7
x21y7
x25y7
x19y7
x20y7
x13y7
x14y7
x15y7 x15y8
x13y8
x20y8
x19y8
x25y8
x21y8
x18y8
x26y8
x22y8
x17y8
x27y8
x23y8
x16y8
x24y8
x12y8
x11y8
x10y8
x9y8
x8y8
x7y8
x6y8
x5y8
x4y8
x3y8
x2y8
x28y8
x14y8
x28y9
x2y9
x3y9
x4y9
x5y9
x6y9
x7y9
x8y9
x9y9
x10y9
x11y9
x12y9
x24y9
x16y9
x23y9
x27y9
x17y9
x22y9
x26y9
x18y9
x21y9
x25y9
x19y9
x20y9
x13y9
x15y9
x14y9
x15y10
x14y10
x13y10
x20y10
x19y10
x25y10
x21y10
x18y10
x26y10
x22y10
x17y10
x27y10
x23y10
x16y10
x24y10
x12y10
x11y10
x10y10
x9y10
x8y10
x7y10
x6y10
x5y10
x4y10
x3y10
x2y10
x28y10
x1y8 x1y9x1y7 x1y10 x1y6
m9
s9
s0
m0
m8
s8
s1
m1
m7
s7
s2
m2
m6
s6
s3
m3
m5
s5
s4
m4
SEG
COM
d1
g0
d0
a0
a1
sec
min0
d4 d3
g3
g4
a5
d5
a3
a4
d2
a2
g5 g2
col0
PM0
ALM SIG
SNZ
hyp
PM1
g6
a6
d6
e6
f6 b6
c6
g7
a7
d7
e7
f7 b7
c7
g8
a8
d8
e8
f8 b8
c8
g9
a9
d9
e9
f9 b9
c9
min1
col1
LT
MUTE
TMR
VIB
COM0
COM4
DST
g1
SEG10
SEG8 SEG7
SEG25 SEG24 SEG14 SEG13 SEG23 SEG22 SEG21 SEG19 SEG12 SEG11 SEG17 SEG15 SEG28 SEG27 SEG26
SEG6 SEG5 SEG4
SEG20
SEG3 SEG9 SEG2 SEG1 SEG0
SEG16 SEG36 SEG35 SEG34
SEG48 SEG47 SEG46 SEG45 SEG44 SEG43 SEG39 SEG38
SEG33 SEG32
COM3
SEG49 SEG50 SEG51 SEG52 SEG53 SEG54 SEG55 SEG56 SEG57 SEG58 SEG59 SEG60 SEG61 SEG62 SEG63 SEG42 SEG40 SEG41
SEG18
SEG31
SEG30 SEG29
COM1
SEG37
COM2
m0 m1 m2 m3 m4 m5 m6 m7 m8 m9
s0 s2 s3 s4 s5 s6 s7 s8 s9
s1
x0
x28
y0
y10
SEG66 SEG67 SEG68
b0f0
e0 c0
e1 c1
b1
f1
b2
f2
e2 c2
c3
b3
f3
e3
b4
f4
e4 c4
c5e5
f5 b5

– 3 –
QW-3403
2-2. CHECKING TERMINALS AND COMPONENTS
VSS
PADA
PADB
PADLD2
PADB
VDD3
VHF
VDD1
XT
OVD
XTB
Q3
VSS
P21
Q3
VSS
Q3
PADB
VDD2
P20
VSS
VHF
VSS
VDD3
P22
VSS
VSENS
SEG9
VSS
VDD1
SEG8 SEG7 SEG6 SEG5
VDSP
VSS
SEG4 SEG3 SEG20
VC1
VC2
VC3
VC4
P31
VSS
VCH
SEG2
VDD2
P22
SEG1 SEG0 SEG16
P33
SEG36
P11
VSS
SEG35 SEG34
SEG48 SEG47 SEG46 SEG45 SEG44 SEG43 SEG39 SEG38 SEG65
SEG33 SEG32
SEG64 SEG68 SEG49 SEG50 SEG51 SEG52 SEG53 SEG54 SEG55 SEG56 SEG57 SEG58 SEG59 SEG60 SEG61 SEG62 SEG63 SEG42
P10
SEG67 SEG66
VC3
SEG40 SEG41
SEG18
P11
VC1
VCH
P32
SEG31 SEG30 SEG29
COM3 COM4 COM1 COM2
SEG37
COM0
SEG17 SEG15 SEG28 SEG27 SEG26 SEG25 SEG24 SEG14 SEG13 SEG23 SEG22 SEG21 SEG19 SEG12 SEG11 SEG10
VDSP
VPP
PADLD2
PADA
OVD
VDD2
R4
R4
P20
PADLD1
PADA
PADLD2
PADC
PADLD1
PADBD1
VDD2
PADC
PADB
PADLD1
PADBD1
AC
P46
P35
T1
P34
P30
VDD2
PADA
VSS
PADBD1
PADLD2
P21
XT
VSS
XT
PADLD1
VSS
VDD2
VDD2
VDD2
VSS
PADBD1
VSS
VDD2
P31
P30
P34
VDD2
PADLD2
VDSP
VCH
AC
P32
VC3
P11
P33
Q3
VSS
VSS
VDD2
COIL
XTB
VSS
PADBD1
PADBD1
OVD
OVD
COIL
VSS
Short pad for switching modules
PADA-VSS: Open
Short pad for switching modules
PADB-OVD: Open
Short pad for
switching modules
PADB-PADLD2: Short
1. PCB ASS'Y
(10440962)
OSCILLATOR/
CRYSTAL
SENSOR/TILT
CUSHION 3128-2
CUSHION 3128-3
CUSHION 3128-2
TRIMMER CAPACITOR
LEAD WIRE(+) WHITE
LEAD WIRE(-) BLACK

– 4 –
QW-3403
3. EXPLODED VIEW: MODULE QW-3403
2a (10437493)
2b (10437503)
2c (10437505)
3 (10368015)
7 (10437494)
5 (10437500)
12 (10437501)
6 (10437499)
4 (10385747)
3 (10368015)
11 (10297642)
8 (10123403)
7 (10437494)
9 (10437495)
10 (10382028)
Battery/Lithium (CR2032)
1 (10440962)
PCB Ass'y

4. PARTS LIST: MODULE QW-3403
Q
W-3403KT
1
Q
W-3403KT-01T
K
2
Q
W-3403KT-02T
K
3
Q
W-3403KT-03T
K
Note: 1. Prices and s
p
ecifications are sub
j
ect to chan
g
e without
p
rior notice.
2. S
p
are
p
arts are classified as follows accordin
g
to their im
p
ortance in after-sales service.
A
Rank ----------------------------------------
-
Im
p
ortant
C Rank ----------------------------------------
-
Not Im
p
ortant
3. Batteries in Bulk
p
ack on the tra
y
will be su
pp
lied from our Overseas S
p
are Parts Section under char
g
e
basis. Batteries in Blister
p
ack will be su
pp
lied from our Sales De
p
artment.
4. As for order/su
pp
l
y
of s
p
are
p
arts, refer to the se
p
arate
p
ublication "GUIDE BOOK for s
p
are
p
arts su
pp
l
y
".
A
ttention to order
1. The most of normal re
p
air or initial re
p
air within 1
y
ear since released month can be done b
y
main
p
arts.
2. Minor
p
arts should be ordered carefull
y
in consideration of the actual usa
g
e of
y
our re
p
air and
y
our technical skills.
3. Main
p
arts should be ordered and stocked a
pp
ro
p
riatel
y
in consideration of
y
our
p
arts usa
g
e and re
p
air usa
g
e for
similar models.
MAIN PARTS
Item Code No. Parts Name S
p
ecification R
123
10440977 MODULE/WITHOUT MOVEMEN
T
QW-3403KT-01TK 1
A
10440978 MODULE/WITHOUT MOVEMEN
T
QW-3403KT-02TK 1
A
10440979 MODULE/WITHOUT MOVEMEN
T
QW-3403KT-03TK 1
A
1 10440962 PCB ASS'
Y
RJQ566688*001KTTK 1 1 1
A
2a 10437493 LCD K3403FS-01THP 1
A
2b 10437503 LCD K3403FS-02THNP 1
A
2c 10437505 LCD K3403FS-03THP 1
A
MINOR PARTS
Item Code No. Parts Name S
p
ecification R
123
3 10368015 CUSHION 3263-2 RJQ554219-001V01 2 2 2 C
4 10385747 CUSHION 3267-2 RJQ556621-001V02 1 1 1 C
5 10437500 CUSHION 3403-1 RJQ566302-001V01 1 1 1 C
6 10437499 HOLDER/BATTERY 3403 RJQ566297-001V01 1 1 1 C
7 10437494 INTER CONNECTOR 3403-1 RJQ566384-001V01 2 2 2 C
8 10123403 LABEL 2747-1 RJQ514018-001V02 1 1 1 C
9 10437495 LIGHT GUIDE 3403 RJQ566150-001V01 1 1 1 C
10 10382028 SHEET/INSULATION 3267-1 RJQ556067-001V01 1 1 1 C
11 10297642 SPRING/COIL 1189-2 RJQ541825-001V01 1 1 1 C
12 10437501 TAPE/ADHESIVE 3403-1 RJQ566301-001V01 2 2 2 C
For the
p
rices and minimum order/su
pp
l
y
q
uantities of the above
p
arts, refer to the Parts Price List P.L.-711.
Notes: R - Rank
A: Im
p
ortant
C: Not Im
p
ortant
Q'TY
QW-3403
Q'TY
— 5 —

– 6 –
QW-3403
5. REPLACEMENT OF BATTERY: MODULE QW-3403
5-1. AC (ALL CLEAR)
BesuretoperformAC(AllClear)afterabatteryisreplaced.
UnlessACisperformed,thememory(s)and/orcounter(s)maynotbeinitializedandcausemalfunc-
tions.
Touch the AC contact and the main plate with metallic tweezers.
Thecontactshouldbemadeforabouttwoseconds.
5-2. SETTINGS AFTER AC
Function Settings
After AC Mode Timekeeping Mode
Timekeeping Mode
Date: Friday, January 1, 2010 12:00:00 AM
Time Difference: UTC+9
DST: OFF
Light afterglow: 1.5 sec.
VIB/Flash & BEEP: VIB
Button Operation Tone: BEEP (ON)
Auto Light: OFF
World Time
WT City Code: (UTC)
 Date:December31,20093:00:00PM
DST: All Cities OFF
Alarm
Setting: AL1
Time: 12:00 AM (SNZ, AL1-4)
Alarm: OFF (SNZ, AL1-4)
Hourly Time Signal: OFF
Stopwatch Setting: “Reset” (0H 00’00’’00)
Timer Setting: “Reset” (0H 10’00’0)
Start Time: 0 hours 10 minutes 00 second

– 7 –
QW-3403
6. DISASSEMBLY AND REASSEMBLY: MODULE QW-3403
6-1. REMOVING THE MODULE
Whenremovingthebackcover,donotmisplacethespring/coil.
SPRING/COIL 1189-2

– 8 –
QW-3403
6-2. CAUTION FOR INSTALLING LCD
Install the LCD while pressing it against the Cushion 3267-2 side.
Do not allow the Cushion to be caught with LCD, or it may result in damage.
Side view
Glass side
Cover/Back side
LCD
HOUSING 3267-1
Cushion 3267-2
1) Attach the LCD to the HOUSING 3267-1.
Note: Position the 3H side of LCD on CUSHION 3267-2, then put the 9H side of the LCD into
HOUSING 3267-1.
Be sure that the LCD and the HOUSING 3267-1 are tightly attached without any gap.
CUSHION 3267-2 LCD
HOUSING 3267-1
6-3. CAUTION FOR INSTALLING LIGHT GUIDE 3403
1) Attach the LIGHT GUIDE 3403 to the HOUSING 3267-1.
Note: The 6H side and the 12H side must face the correct orientation. The LED installation
face goes to the 6H side.
LIGHT GUIDE 3403
3H 9H
6H
12H
HOUSING 3267-1
LIGHT GUIDE 3403
There are grooves on the LED installation face.

– 9 –
QW-3403
6-4. ASSEMBLY OF THE VIBRATOR
1) Attach the PCB ASS'Y.
Note: Be careful not to allow the VIBRATOR lead wires to be caught between the HOUSING
3403-2 and the PCB ASS’Y.
HOUSING 3403-2 VIBRATOR
PCB ASS'Y
Cautions concerning Assembling
When the VIBRATOR is removed
from the HOUSING 3403-2,
replace both TAPE/ADHESIVE
3403-1. The TAPE/ADHESIVE
3403-1cannotbereused.
3H 9H
6H
12H VIBRATOR
TAPE/ADHESIVE 3403-1
HOUSING 3403-2

– 10 –10 ––
QW-3403
2) Attach the HOUSING 3267-1.
HOUSING 3267-1
3) Attach the CIRCUIT SUPPORTER 3403.
Note: Do not allow the lead wire of the VIBRATOR to be caught between parts.
CIRCUT SUPPORTER 3403
4) Fasten8hooksoftheCIRCUITSUPPORTER3403,intheorderillustratedbelow.
3 H 9 H
6 H
12 H
44
6
7
5 8
3 3
2
1

– �� –�� ––
QW-3403
7. TESTING: MODULE QW-3403
7-1. MEASURING CURRENT CONSUMPTION
�) Apply a voltage of 3.0 V.
2) Perform AC.
3) Wait two seconds.
4) Measure the current consumption.
The current consumption should be 2.21 μA or less.
7-2. CHECKING THE MODEL



CHECKING THE LCD SEGMENTS
Timekeeping mode





ACCURACY CHECKING
MODEL CHECKING

++Except for 
Except
for 
Any Button
Except for 
All litLight alternates
Except
for 
TIME ZONE CHECKING
Note:
• The watch returns to the Timekeeping mode when it is left untouched for 1 to 2 hours after the last
button operation. (Auto Return)
• The watch returns to the Timekeeping mode when the alarm goes off.
• The Auto Light function is disabled when the watch enters the test mode.
7-3. ACCURACY CHECKING
�) While in the Timekeeping mode, hold down Aand press Dand Cat the
same time.
2) Then all the segments are displayed and the LCD drive signals are changed
to the test signals so that you can check the accuracy with a quartz timer.
Measure the accuracy value in the following conditions.
SENSOR GATE TIME
LCD 2 seconds
3) Exit the Accuracy Checking mode.
• Press D to go to Model checking mode.
• Press any button except for D to return to the Timekeeping mode.






– 12 –12 ––
QW-3403
7-4. MODEL CHECKING
1) While in the Timekeeping mode, hold down Aand press Dand Cat the same time.
2) Press D .
3) Check the display.
Module No. ROM revision
3403 No test is performed
4) Exit the Model Checking mode.
•PressDto go to Time Zone mode.
•PressanybuttonexceptforDto return to the Timekeeping mode.
7-5. TIME ZONE CHECKING
1) While in the Timekeeping mode, hold down Aand press Dand Cat the same time.
2) Press Dtwo times .
3) Check the display .
Time Zone
UTC +09 : 00
*The time is set to “UTC +09 : 00” immediately after AC.
4) Exit the Time Zone mode.
•PressDto go to Checking the LCD segments mode.
•PressanybuttonexceptforDto return to the Timekeeping mode.
7-6. CHECKING THE LCD SEGMENTS
1) While in the Timekeeping mode, hold down Aand press Dand Cat the same time.
2) Press Dthree times.
3) Check that all the segments are lit. < All lit >
4) Press D.
5) Checkthatonlythespeciedsegmentsarelit.<Lightalternates>
< All lit > < Light alternates >
6) Exit Checking LCD segments mode.
•PressanybuttonexceptforDto return to the Timekeeping mode.
Time Zone
Module No
ROM revision

– 13 –13 ––
QW-3403
8. DEVICE TEST: MODULE QW-3403
8-1. DEVICE TEST MODE
Timekeeping mode
Device Test Display
++
, , 

Support the 6-o’clock side as a fulcrum
and tilt the watch by 45°
VIBRATOR TEST
(LCD Display: VIB)
EXECUTING MODE
(LCD Display: EXE)
, 
,
BEEP
VIBE alarm×2

HOW TO CHECK TILT SENSOR
(LCD Display: TLT)LCD Display: TLT 8888







* Press to turn on the light., , 

Note:
• ThewatchreturnstotheTimekeepingmodewhenitisleftuntouchedfor1to2hoursafterthelast
buttonoperation.(AutoReturn)
• ThewatchdoesnotreturntotheTimekeepingmodewhenthealarmgoesoff.
• TheAutoLightfunctionisdisabledwhenthewatchentersthetestmode.
8-2. VIBRATOR TEST
1) While in the Timekeeping mode, hold down Aand press Dand Bat the same time.
2) Press B.
3) Check that “VIB” is displayed on the LCD.
4) When you press D, the display changes to “EXE”.
5) Press Bandcheckthatthevibrationalarmoperatestwiceaftertwoalarmsounds.
6) ExittheVibratorTestmode.
•Press D, then “VIB” is displayed. Press Bto proceed to How to check Tilt Sensor mode.
•PressAor Cto return to the Timekeeping mode.

– 14 –14 ––
QW-3403
8-3. HOW TO CHECK TILT SENSOR
1) While in the Timekeeping mode, hold down Aand press Dand Bat the same time.
2) Press Btwo times.
3) Check the display indicates “TLT”asgure1.
4) Tilt the watch in the way that the “6-o’clock” end of the face is lowered. (45°)
5) Check the display indicates “TLT 8888”asgure2.
6) Onetiltingcycleis0°(1sec.)→45°(1sec.)→0°.
Repeat the cycle 3 times and check “TLT 8888” appears twice or more.
Tilt the watch.
Lay the watch.
A B
C D
Figure 1 Figure 2
L
7) Exit the how to check tilt sensor mode.
•PressA,B,or Cto return to the Timekeeping mode.
“TLT” appears on display.
“8888” appears on display.
(twice or more)

CASIO COMPUTER CO.,LTD.
Overseas Service Division
6-2, Hon-machi 1-Chome
Shibuya-ku, Tokyo 151-8543, Japan