Casio WVA-400D, WVA-400DJ, QW-2727, QW-2730 Service Manual And Parts List
SERVICE MANUAL
& PARTS LIST
REF. NO. S/M-817
JUN. 2003
MODULE NO.
QW-2727/2730
WVA-400D WVA-400DJ
R
Ver.1 : Nov. 2003
(WITHOUT PRICE)
CONTENTS
Page
1. SPECIFICATIONS: MODULE QW-2727/2730 ........................................... 1
2. OPERATION CHART: MODULE QW-2727 ............................................... 2
3. DRAWINGS: MODULE QW-2727/2730
3-1. LCD DIAGRAM ............................................................................................. 9
3-2. CIRCUIT DIAGRAM .....................................................................................10
3-3. CHECKING TERMINALS AND COMPONENTS ......................................... 12
3-4. N1, N2, R1~ R3 PADS ................................................................................. 13
4. EXPLODED VIEW: MODULE QW-2727/2730 .......................................... 14
5. PARTS LIST: MODULE QW-2727/2730 ................................................... 16
6. PRECAUTIONS FOR REPAIR: MODULE QW-2727/2730
6-1. AC (ALL CLEAR) AND REMOVING OF MODULE .....................................17
6-2. ACCURACY CHECKING ............................................................................. 17
6-3. SOLAR CELL-PCB ASS'Y CONTACT CHECKING....................................18
6-4. HOW TO CHECK TILT SENSOR................................................................. 18
7. TROUBLESHOOTING: MODULE QW-2727/2730.................................... 19
1. SPECIFICATIONS: MODULE QW-2727/2730
Item Detail
Battery CTL1616 (Storage battery)
Note: Use CTL1616 only. Other storage battery or CR1616 can cause
damage to the watch.
Battery life Approx. 5 months (from full charged condition)
Current consumption 0.568 µA maximum
Alarm system Piezo plate on Cover/Back
Accuracy ±15 sec./month
Accuracy setting system Trimmer capacitor
Accuracy checking See page 17
Functions • LED light
Afterglow
• Solar powered
• Time calibration signal reception
Auto receive
Manual receive
Last date/time received display
• Time Calibration Signal
QW-2727: Receivable Time Calibration Signals
Mainflingen, Germany (Call Sign: DCF77, Frequency: 77.5kHz)
QW-2730: Receivable Time Calibration Signals Fort Collins,
Colorado (Call Sign: WWVB, Frequency: 60kHz)
Fukushima, Japan (Call Sign: JJY, Frequency: 40kHz)
Fukuoka/Saga, Japan(Call Sign: JJY, Frequency: 60kHz)
• e-DATE MEMORY
Meomory capacity: Up to 40 records for Internet access codes and other
data (when there are 7characters per record), actual number of records
depends on the number of characters per record
• World Time
29 time zones (30 cities), daylight saving time on/off
• Time Memo
Memory for up to 10 time memos, each with date (month and day) and time
• 1/100-sec. stopwatch
Measuring capacity: 23:59’59.99"
Measuring modes: Elapsed time, split time, 1st-2nd place times
• Daily alarms
5 independent daily alarms snooze feature for one alarm only
• Hourly time signal
• Low battery warning display
• Auto-calendar (to year 2039)
• 12/24-hour format
• Regular timekeeping:
Analog: 3 hands (Hr, min, sec)
Digital: Hr, min, sec, pm, month, date, day
— 1 —
2. OPERATION CHART: MODULE QW-2727
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
purchase, be sure to carefully read this manual and keep it on hand for later reference
when necessary.
Expose the watch to bright light to charge its battery before using it.
You can use this watch even as its battery is being charged by exposure to bright
light.
• Be sure to read “Battery” of this manual f or important information you need to
know when exposing the watc
If the digital display of the watch is blank...
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h to bright light.
If the Power Saving indicator (PS) is flashing on the display,
it means that the display is blank because the watch’s
Power Saving function has turned off the display to
conserve power. Power Saving automatically turns off the
display and enters a sleep state whenever your watch is
left for a certain period where it is dark. If the watch is kept
in the dark for a longer period, the analog hands will also
stop moving after a few days.
• The initial factory default setting is Power Saving on.
• The watch recovers from the sleep state if you move it to
a well-lit area, if you press any button, or if you angle the
watch towards your face for reading.
• See “Power Saving Function” for more inf
ormation.
About This Manual
• 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, press B to illuminate the display.
Timekeeping Mode
Press C
.
▲
World Time Mode
Hand Setting Mode
▲
Radio-controlled Timekeeping
Hour hand
Minute hand
Day of week
Seconds hand
Month – Day
To set your Home City
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City code
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 automatically picks up the time calibration signal five
times a day at 0:00 a.m., 1:00 a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. 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”.
This watch is designed to pick up a time calibration signal
transmitted from Mainflingen, Germany (located 25
kilometers southeast of Frankfurt), and update its time
setting accordingly. The time calibration signal includes
both Standard Time and Daylight Saving Time (summer
time) data.
Current Time Setting
This watch automatically adjusts its time setting in
accordance with a time calibration signal. You can also
perform a manual procedure to set the time and date,
when necessary.
• The first thing you should do after purchasing this watch
is to set your Home City, which is the city where you will
normally use the watch. For more information, see “To
set your Home City” below.
• See “Setting the Digital Time and Date Manually” for
information about manual settings
• The analog time of this watch is synchronized with the
digital time. Because of this, the analog time setting is
automatically adjusted whenever you change the digital
setting. See “Analog Timek eeping” f or more information.
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
• The second hand will move at high speed to the 12
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o’clock position, where it will stop.
2. Use D (+) and B (–) to select the city code you want to
use as your Home City.
• The following are the city codes for major cities in the
Western Europe time zones.
BER
and
PAR
: Berlin, Paris, Milan, Rome,
Amsterdam, Hamburg,
LON
: London
3. Press A twice to e
• The second hand will advance at high speed to the
correct position in accordance with seconds count of the
digital time, and resume normal movement from there.
• 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 can also
perform manual receive or you can set the time
manually.
• If you are in an area that does not use Daylight Saving
Time (summer time), turn off the DST setting.
Frankfurt, Vienna
xit the setting screen.
.
Alarm Mode
▲
Stopwatch
Mode
▲
Important!
• Position the watch as shown in the nearby illustration, with its 12 o’clock side facing
towards a window. Make sure there are no metal objects nearby
• Proper signal reception can be difficult or even impossible under the conditions listed
below
.
Inside or
among
buildings
About Auto Receive
When auto receive is turned on, the watch automatically starts to receive the time
calibration signal when the time in the Timekeeping Mode reaches 0:00 a.m., 1:00
a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. each day (calibration times). The watch will
also perform an additional auto receive operation at 5:00 a.m. if none of regularly
scheduled auto receive operations are successful.
Frankfurt
Inside a
vehicle
▲
Resin
Band
Metal Band
Near
household
appliances or
office
equipment
• Signal reception is normally better at night than during
the day.
• Time calibration signal reception takes from two to six
minutes. Take care that you do not perform any button
operations or move the watch during this time.
• This watch is able to receive the time calibration signal
transmitted from Mainflingen, Germany (located 25
kilometers southeast of Frankfurt). Signal reception is
possible within the area represented by a circle with a
radius of about 1,000 kilometers.
• At distances further than about 500 kilometers, the
signal may become weak and reception may be
impossible under certain conditions.
• Signal reception may be poor in the shaded area on the
map, even though it is within 1,000 kilometers of the
signal transmitter.
• See the information under “Signal Receive
Troubleshooting” if you experience problems with time
calibr
ation signal reception.
Data Memory Mode
▲
Time Recorder Mode
Near a
construction
site, airport, or
other sources
of electrical
noise
.
Near hightension
power lines
▲
Among or
behind
mountains
— 2 —
Note
•
The auto receive operation is performed only if the watch is in the Timekeeping
Mode or World Time Mode when one of the calibration times is reached. It is not
performed if a calibration time is reached while an alarm is sounding, or while you
are configuring settings (while settings are flashing on the display).
•
When a receive operation starts, the second hand will move at high speed to the 12
o’clock position where it will stop until the receive operation is complete.
•
Auto receipt 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 easily receive the signal.
•
When auto receive is turned on, the watch receives the calibration signal for two to
six minutes everyday when the time in the Timekeeping Mode reaches each of the
five calibration times. Do not perform any button operation within six minutes before
or after any of the five calibration times. Doing so can interfere with correct
calibration.
•
Remember that reception of the calibration signal depends on the time kept in the
digital display. The receive operation will be performed whenever the display shows
one of the five calibration times, regardless of whether or not the displayed time is
actually the correct time.
•
When two, three, four, or five receptions are successful, the watch uses the data of
the last reception for calibration. When only one reception is successful, the watch
uses the data of the successful reception.
About the Receiving Indicator
The receiving 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.
Receiving indicator
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•
Even in an area where signal strength is strong, it takes about 10 seconds for signal
reception to stabilize enough for the receiving indicator to indicate signal strength.
•
Use the receiving indicator as a guide for checking signal strength and for finding the
best location for the watch during signal receive operations
•
The Level 4 receiving indicator remains on the display in all modes following
reception of the time calibration signal and calibration of the watch’s time setting.
The Level 4 receiving indicator is not displayed if signal reception was unsuccessful
or after manual adjustment of the current time setting.
•
The Level 4 receiving indicator indicates that at least one of the five calibration
signal receive operations was successful. Note, however , that the Level 4 receiving
indicator is cleared from the display at 3:00 a.m. each day.
To perform manual receive
Receiving indicator
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Note
•
To interrupt a receive operation and return to the Timekeeping Mode, press D.
•
If the receive operation is unsuccessful, the message
for about one or two minutes. After that, the watch returns to the Timekeeping Mode.
•
You can also change from the Last Signal or
timekeeping screen by pressing
To turn auto receive on and off
On/off status
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To display the Last Signal screen
In the Timekeeping Mode, press D to display the Last Signal screen. The Last Signal
screen shows the date and time that the time calibration signal was last receiv
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Weak
(Level 1)
Strong
(Le
vel 4)
.
1.Place the watch on a stable surface so its top (12
o’clock side) is facing towards a window.
•
Note that signal reception will be poor if the watch is
on its back or side.
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2.In the Timekeeping Mode, hold down
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seconds until the watch beeps.
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3.Release
D
and the current time or date flashes to
indicate that signal reception has started.
•
When a receive operation starts, the second hand will
move at high speed to the 12 o’clock position where it
will stop until the receive operation is complete
•
Time calibration signal reception takes from two to six
minutes. Take care that you do not perform any button
operations or move the watch during this time.
•
After signal reception is complete, the display of the
watch changes to the Last Signal screen.
ERR
ERR
D
.
1.In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
•
The second hand will move at high speed to the 12
o’clock position, where it will stop.
C
twice to move the flashing to the auto receive
2.Press
on/off setting.
3.Press
D
to toggle auto receive on (ON) and off (OF).
•
If the current Home City setting is a city code that
does not support auto receive, “
of the on/off indicator. This means you cannot turn
auto receive on or off.
A
twice to exit the setting screen.
4.Press
•
The second hand will advance at high speed to the
correct position in accordance with the digital time
seconds count, and resume normal movement from
there
.
screen to the normal
D
for about two
.
appears on the display
__
” appears in place
ed.
Receive time
Alternate at twosecond interva
l
Press .
▲
▲
Receive date
Last Signal Screen
Signal Receive Troubleshooting
Check the following points whenever you experience problems with calibration signal
reception.
Problem
Cannot perform
manual receive
Auto receive is
turned on, but
the Level 4
receiving
indicator does
not appear on
the display
Time setting is
incorrect
following signal
reception.
•
For further information, see “Time Calibration Signal Reception” and “Time
Calibration Signal Reception Precautions”
.
.
Probable Cause
•
The watch is not in the Timekeeping Mode.
• Your current Home City is not one of the
follo
wing city codes:
BER, PAR , LON, or AT H.
You changed the time setting manually.
••The watch was not in the Timekeeping
or World Time Mode, or you w ere
performing some button operation
during the auto receive operation.
•
Even if receive is successful, the Level 4
receiving indicator disappears every day
at 3 a.m.
• If the time is one hour off, the DST
setting may be incorrect.
• The Home City code setting is not
correct for the area where you are using
tch.
the wa
.
What you should do
• Enter the Timekeeping Mode
and try again.
• Select BER, PAR, LON, or
ATH as your Home City
• Perform manual signal receive
or wait until the next auto
signal receive operation is
performed.
• Check to make sure the watch
is in a location where it can
receive
the signal.
• Change the DST setting to
Auto DST.
• Select the correct Home City
code
.
.
Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
Day
Month —
Press .
▲
Day of week
Setting the Digital Time and Date Manually
Make sure you select your Home City code before you change the current time and
date settings. World Time Mode times are all displayed in accordance with the
Timekeeping Mode settings. Because of this, World Time Mode times will not be
correct if you do not select the proper Home City code before setting the time and
date in the Timekeeping Mode
To set the current digital time and date manually
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City code
3. When the setting you want to change is flashing, use and/or to change it as
described below
Screen: To do this:
BER
DST
R/C
12H
Screen (flashing):
P
'02
ON
4. After configuring the Power Saving on/off setting, press to exit the setting screen.
•
The second hand will advance at high speed to the correct position in accordance
with the digital time seconds count, and resume normal movement from there.
•
See “City Code Tab le” for a complete list of av ailable city codes .
•
See “Power Saving Function” for details about the Power Saving.
•
The auto receive setting is used for time calibration signal reception only. See “About
Auto Receive” for details
Change the city code
Toggle between Daylight Saving
Time (ON) and Standard Time
(
OF
Toggle between auto receiv
(
ON
Toggle between 12-hour (
24-hour (
.
1.In the Timekeeping Mode, hold down
code starts to flash, which indicates the setting screen.
•
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The second hand will move at high speed to the 12
o’clock position, where it will stop.
A
2.Press or
shown below to select other settings
Press
12/24-Hour
Format
Power
Saving
.
)
) and off (OF)
) timekeeping
24H
To do this:
Reset the seconds to
Change the hour
Change the minu
Change the ye
Change the month
Change the day
Toggle Power Saving on
(
) and off (OF)
ON
.
Hour: Minutes Seconds
A
▲
A
until the city
C
to move the flashing in the sequence
/ Press
C
.
DSTCity Code
Seconds
Day
e on
) and
12H
tes
ar
.
A
.
Auto
Receive
Hour Minutes
Month Year
D
B
Do this:
Use
D
(+) and
B
D
.
Press
D
• Pressing
Press
performs a
different operation when
BER, PAR, LON, or ATH is
selected as Home City code.
See “To change the Daylight
Saving
Time (summer time)
setting”.
D
.
Press D.
Do this:
Press D.
Use
D
(+) and B (–).
D
.
Press
A
(–).
— 3 —
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 signal transmitted from Mainflingen includes both Standard Time
and DST data. When the DST setting is turned on, the watch switches between
Standard Time and DST (summer time) automatically in accordance with the
Mainflingen signal.
•
The default DST setting is Auto DST (
or
ATH
as your Home City code.
•
If you experience problems receiving the time calibration signal in your area, it is
probably 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) DST off (OF) DST on (
4. When the setting you want is selected, press A twice to e
Analog Timekeeping
The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.
Note
•
The hands for the analog timepiece move to adjust to a new setting whenever any of
the following occurs.
When you change the digital time setting manually
When the digital time setting is changed by time calibration signal reception
When you change the Home City code and/or DST setting
•
If the analog time does not match the digital time for any reason, use the procedure
described under “To adjust the analog time” to match the analog setting to the digital
setting.
•
Whenever you need to adjust both the digital and the analog time settings manually,
make sure you adjust the digital setting first.
•
Depending on how much the hands have to move in order to adjust to the digital
time, it may take some time before the analog hands stop mo
To adjust the analog time
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When you want to do this:
Move the hand setting
forw
ard 20 seconds
Move the hand setting back
20 seconds
Move the hand setting a short
ard at high speed
way forw
Move the hand setting a
short way bac
Move the hand setting a
long way forward at high
speed
Move the hand setting a long
way back
6. Press A to exit the setting screen.
•
The minute hand will be adjusted slightly to match the seconds when you exit the
setting screen.
•
To return to the Timekeeping Mode, press C.
k at high speed
at high speed
A
) whenever you select
1.In the Timekeeping Mode, press C six times to enter
the Hand Setting Mode.
2.Hold down A until
the setting screen.
•
The second hand will move at high speed to the 12
o’clock position, where it will stop.
3.If the second hand is not pointing precisely at 12 o’clock
at this time, use D to adjust its position.
•
Each press of D causes the second hand to advance
by one second.
4.Press C. This will cause the time on the digital display
to flash, which indicates that adjustment of hour and
minute hands is selected.
5. Use D and B to adjust the analog setting as
described below
•
Press D.
•
Press B.
•
Hold down D.
•
Release D when the hands reach the setting
you want.
•
Hold down B.
•
Release B when the hands reach the setting
you want.
•
While holding down D to move the hands at
high-speed, press B to lock the high-speed
hand movement.
•
To stop the hand movement, press any
button.
•
Hand movement stops automatically if the hour
hand makes one full (12-hour) revo
•
While holding down B to move the hands at
high-speed, press D to lock the high-speed
hand movement.
•
To stop the hand movement, press any
button.
•
Hand movement stops automatically if the hour
hand makes one full (12-hour) revo
“” starts to flash, which indicates
.
Perform this button operation:
BER, PAR, LON
ON
)
xit the setting screen.
ving.
lution.
lution.
World Time
City Code
,
Current time in the
selected city code
To view the time in another city
While in the World Time Mode, press D to scroll through the city codes (time zones).
• For full information on city codes, see the “City Code Table”.
To toggle a city code time between Standard Time and Daylight Saving Time
DST indicator
The World Time Mode digitally displays the current time in
30 cities (29 time zones) around the world.
•
Pressing A in the World Time Mode causes the
applicable city code to appear on the digital display for
about two seconds.
•
If the current time shown for a city is wrong, check your
Home City time settings and make the necessary
changes.
•
The watch will perform a signal receive operation even if
it is in the World Time Mode when a calibration time is
reached. If this happens, the World Time Mode time
settings will be adjusted in accordance with the
Timekeeping Mode’s Home City time.
•
All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
1.In the World Time Mode, use D to display the city code
(time zone) whose Standard Time/Daylight Saving Time
setting you want to change.
•
Pressing A in the World Time Mode causes the
applicable city code to appear on the digital display for
about two seconds.
2.Hold down A to toggle Daylight Saving Time (
displayed) and Standard Time (
•
Note that you cannot use the World Time Mode to
change the DST setting of the Home City code you
currently have selected in the Timekeeping Mode. See
“Daylight Saving Time(DST)” for information about
turning the Home City code DST setting on and off
DST
•
The
indicator will appear on the display whenever
you display a city code for which Daylight Saving Time is
turned on.
•
Note that the DST/Standard Time setting affects only the
currently displayed city code. Other city codes are not
aff
ected.
DST
DST
not displayed).
.
Alarms
The Alarm Mode gives you a choice of four one-time
Alarm name
Alarm time
(Hour : Minutes)
To set an alarm time
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Target Alarm Screen
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the
watch is in. In the case of the snooze alarm, the alarm operation is performed a total
of seven times, every five minutes, or until you turn the alarm off.
The target alarm counts the time remaining from the current Home City time to the
target alarm time.
•
Pressing any button stops the alarm tone operation.
•
Performing any one of the following operations during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the alarm setting screen
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
alarms and one snooze alarm. One of the one-time
alarms functions as a “target alarm,” which counts the time
remaining from the current Home City time to the target
alarm time.
You should also use the Alarm Mode to turn the Hourly
Time Signal on and off.
•
There are five alarms named
(target alarm), and
snooze alarm only. Alarms
TAL
can be used as one-time alarms only.
•
All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
1.In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
AL1 AL2 AL3
SIG SNG TAL
2.After you select an alarm, hold down until the hour
setting of the alarm time starts to flash, which indicates
the setting screen.
•
This operation automatically turns on the alarm.
3.Press C to move the flashing between the hour and
minute settings.
4.While a setting is flashing, use D (+) and B (–) to
change it.
•
When setting the alarm time using the 12-hour format,
take care to set the time correctly as a.m. (no
indicator) or p.m. (P indicator).
5.Press A to exit the setting screen.
•
With the target alarm (
countdown as soon as you set the alarm time.
AL1, AL2, AL3, TAL
SNZ SNZ
. You can configure
AL1, AL2, AL3
TAL
), the time starts to
, and
as a
— 4 —
To select the alarm operation type
Snooze on
Alarm on
indicator
indicator
To turn the Hourly Time Signal on and off
Hourly time signal
on indicator
1.In the Alarm Mode, use D to select the screen for the
alarm (
AL1, AL2, AL3, TAL
alarm type you want to select.
2.Press A to cycle through the available settings in the
sequence shown below.
Alarm/
Snooze off
• The alarm on indicator (ALM) or snooze on indicator
(SNZ) is displayed for each alarm (
TAL, SNZ
• The snooze on indicator (SNZ) flashes during the 5-
minute interval between snooze alarms.
• The alarm on indicator (ALM) and snooze on indicator
(SNZ) are displayed in all modes.
• In all modes, the alarm on indicator (ALM) is shown for
any alarm (
tur
1.In the Alarm Mode, use D to select the Hourly Time
2.Press A to toggle it on (SIG displayed) and off (SIG
• The Hourly Time Signal on indicator (SIG) is displayed
in all modes when the Hourly Time Signal is tur
) for which alarm on is selected.
AL1, AL2, AL3, TAL
ned on.
Signal (
SIG
).
not displayed).
, or
Alarm/
Snooze on
AL1, AL2, AL3
SNZ
) whose
) that is currently
ned on.
Data Memory
You can use the watch’s data memory to store e-mail
addresses, Web page URLs, and other te xt data.
• All of the operations in this section are performed in the
Data Memory Mode, which you enter by pressing C.
Data Memory Records
Each data memory record can contain up to 63
characters. Records are stored in memory in the
Text
Record number
To create a new data memory record
Cursor
l
l
l
l
l
l
l
l
l
Text
Record number
To recall data memory records
1. In the Data Memory Mode, press D to scroll forward through data memory records.
• Each press of D advances to the next record and shows its record number and
first three characters of its text.
• Pressing D while the last record in memory is on the display changes to the
remaining memory screen. Pressing D again displays the first record.
2. Use A to scroll through the text, three characters at a time.
First three characters
Each press of A shows the next three characters.
• An end mark indicates the end of the te
To edit a data memory record
1. In the Data Memory Mode, display the record you want to edit.
2. Hold down A until the flashing cursor appears on the display.
3. Press C to move the flashing to the character you want to change.
4. Use D and B to change the character.
5. After making the changes you want, press A to store them and return to the data
memory record screen.
To delete a data memory record
1. In the Data Memory Mode, display the record you want to delete.
2. Hold down A until the flashing cursor appears on the display.
3. Press B and D at the same time to delete the record.
•The message CLR appears to indicate that the record is being deleted. After the
record is deleted, the cursor appears on the display, ready for input.
4. Input data or press A to return to the remaining memor
sequence they are created.
• The number of records you can store in data memory
depends on the number of characters that make up
each record. See “Data Memory Management” for more
infor
mation.
1.In the Data Memory Mode, press A and D at the
same time to display the remaining memory screen.
• You do not have to perform the above step if the
remaining memory screen is already on the display.
• If 0% is shown for remaining memory, it means that
memory is full. To store another record, you will first
have to delete some of the records stored in memory.
2.Hold down A until the flashing cursor appears on the
display, which indicates the setting screen.
3.Use B and D to cycle through characters at the
current cursor location, and C to move the cursor to
the right. See “Inputting Text” for more information.
• If memory becomes full while you are inputting text,
the cursor will jump to the first (leftmost) character of
the text when you press C, instead of advancing to
the ri
ght.
4.Press A to store your data and return to the data
memory record screen (without the cursor).
• The message SET appears for about two seconds,
followed by a data memory record screen, which shows
the text you just input, along with a record number
automatically assigned by the w
Second three characters
atch.
End mark
xt.
y screen.
,
— 5 —
Time Recorder
The Time Recorder Mode lets you store up to 10 time
entries (month, day, hour, minutes, seconds) with the
touch of a button. One way you can use the Time
Recorder Mode is to record the start time and the end
time of a particular event.
• All of the operations in this section are performed in the
Time Recorder Mode, which you enter by pressing CC.
To record a Time Recorder time
Hour : Minutes Seconds
Standby Screen
To recall Time Recorder times
1. In the Time Recorder Mode, press A to recall Time Recorder times.
2. Use D to scroll through times stored in memory.
Time record number
• Each press of D scrolls through time records from higher numbered (newer)
records to lower numbered records.
• If you recorded a new Time Recorder time since you last entered the Time Recorder
Mode, the newest record appears first. If you have not recorded a new time, the
record you were viewing when you last viewed the Time Recorder times appears first.
To delete all Time Recorder times
In the Time Recorder Mode, press A and D at the same time to delete all Time
Recorder times
.
1.Use C to enter the Time Recorder Mode.
This displays the Time Recorder standb
2.Press D to record the current date and time (month,
day, hour, minutes, seconds).
•• The recorded time flashes for about two seconds and
then assigned the next available record number, in the
ange of through . Next the time recorder standby
r
screen appears.
• A new time is recorded each time you press D while
the standby screen is on the display.
•
Records are assigned numbers sequentially from
through .
• Storing a new time record when there are already 10
records stored in memor
shifts the remaining records upwards by 1, and stores
the ne
w record as .
▲
Recorded time
(Month – Day)
y automatically deletes record ,
Alternate at twosecond interval
▲
y screen.
▲
Recorded time
(Hour : Minutes Seconds)
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 99 minutes, 59.99
seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
Minutes
Seconds
1/100 second
elapsed time measurement.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing
.
To measure times with the stopwatch
Elapsed Time
D
Start Stop
D
➤ ➤
D
Re-start Clear
D
➤
Stop
A
➤
Split Time
A
D
Start Split
➤
A
➤
Split release
D
➤
Stop
A
➤
Clear
Two Finishes
D
Start Split
A
➤
First runner
finishes.
Display time of
first runner.
D
➤
Stop
Second runner
finishes.
A
➤
Split release
Display time of
second runner
A
➤
Clear
.
Backlight
The backlight uses an LED (light-emitting diode) and a
Auto light switch
on indicator
light guide panel that cause the entire display to glow for
easy reading in the dark. The watch’s auto light switch
automatically turns on the backlight when you angle the
watch towards your face in the dark.
• The auto light switch must be turned on (indicated by
the auto light switch on indicator) for it to operate.
• See “Backlight Precautions” for other important
information about using the backlight.
To turn on the backlight manually
In any mode, press B to illuminate the display for about
one second.
• The above operation turns on the backlight regardless of
the current auto light sw
itch setting.
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