CITIZEN QUARTZ
Windsurfing
with Electroluminescence
Model No. MCO❈❈❈ /
MC1❈❈❈ / MC2❈❈❈
Caliber. No. D283 • D288 • D289
• INSTRUCTION MANUAL
CTZ-B6780
1. FEATURE
This watch has an electroluminescent (EL)
illumination that evenly illuminates the display to
easy viewing in the dark locations.
2. NAME OF EACH PARTS
Each model are indicated differently according to
the model, but they are to be operated in the same
way.
3. EL (ELECTROLUMINESCENCE)
ILLUMINATION
The display is illuminated while the
L button is
depressed.
Electroluminescence refers to the emission
of light by a phosphorescent substance
under the influence of an applied voltage.
The panel of this watch provides illumination
by EL (electroluminescence).
Characteristics and replacement of the EL
(electroluminescence) panel
The EL (electroluminescence) panel has the
following properties.
• When the battery voltage drops, the brightness
(intensity) also drops.
• It is adversely affected by humidity.
If any water enters inside the watch by accident,
promptly request repair.
• The EL panel has a finite life span.
The brightness (intensity) gradually drops in
proportion to the total number of hours of use
(light emission).
If the display appears dark or is hard to see
when the EL panel is lit, ask either the store
where you purchased the product or your
nearest CITIZEN Service Center to replace the
EL panel. This repair will be done for a fee.
4 SWITCHING THE MODES
Other than the time display, this watch has five
functions: Calendar, Alarm, Chronograph, Timer 1
and Timer 2
• The mode changes each time the
M button is
pressed.
5. SETTING THE TIME AND CALENDAR
In the same way, to make an adjustment during the
calendar mode, depress the
S button for two
seconds or more, to select the digit to adjust
(flashing), then press the
R
button to adjust.
6. SETTING THE TIME ALARM
Setting the alarm time uses the same procedure as
setting the time and calendar. In the alarm mode
(ALM), press the
S button for two seconds or more
to select the digit to adjust (flashing). Then press
the
R button to set the alarm time.
1) The alarm will sound for about 16 seconds. Press
any button to stop the alarm.
2) If the time mode employs the 12-hour systems
for the hour display, the alarm set time is also
shown by the 12-hour system. AM/PM should be
specified.
7. ALARM AND CHIME ON/OFF
During the alarm mode, alarm can be turned
ON/OFF each time the
R button is pressed.
* The chime sounds twice on the hour.
• Calendar will be displayed only while the R
button is pressed during the time display.
*Auto return: During the alarm mode display, the
watch will automatically return to the
time mode after about 12 seconds if
there is no input.
• Regardless of the displayed mode, the normal
time display mode is recovered by pressing the
M
button.
8. CHRONOGRAPH
This Chronograph can measure up to 59 minutes 59
seconds in 1/100 second increment.
Press the
M
button to set the digital mode to the
(CHR) mode.
(Standard measurement)
1. Press the
S button to start measurement.
2. Press the
S
button to stop movement.
3. Press the S
button to reset chronograph.
(Accumulated elapsed time measurement)
1. Press the
S
button to repeat the chronograph
timing and stop cycle.
(Split time measurement)
1. Press the
R button while the chronograph is
running to obtain the split timing mode.
2. Press the
S
button during the split timing to
stop the timing (split stop).
3. Press the
R
button while split stop is displayed
to obtain the chronograph stop mode.
*Procedures 1-2 can be repeated as often as
required.
Split time.............. an intermediate point between
start and goal.
9.TIMER 1
Press the
M button to set the digital mode to the
(TM1) mode.
• The timer 1 can be set up to
60 minutes in 5 minutes.
• The timer 1 automatically
changes to the chronograph
mode when the time is up.
1. Press the
R
button to set the timer.
2. Press the S
button to start the timer.
3. Press the S
button to stop the timer.
4. Press the R
button to reset the timer.
❈
A time-up notice beep sounds once at the
following intervals:
10•5•1 minutes and 30•20•10•5•4•3•2•1
seconds before the time is up.
• Time-up and automatic chronograph features
(Timer 1 only)
# Chronograph automatically starts after the end of
a timing session, and end-of-session confirmation
beep sounds for 3 seconds.
10.TIMER 2
Press the
M button to set the digital mode to the
(TM2) mode.
• The Timer 2 can be set up to
60 minutes in minutes.
1. Press the
R
button to set
the timer.
2. Press the
S
button to start
the timer.
3. Press the
S
button to stop
the timer.
4. Press the
R button to reset
the timer.
❈
A time-up confirmation beep sounds for 3
seconds at the end of each timing session.
11. USING THE REGISTER-RING
In case of the watch with a register-ring, an
approximate cardinal point will be found in the
following way on the basis of the direction of the sun.
At the time of 9 o’clock 00
minutes AM.
On the scale marked with N to 12
o’clock which is located inside
the register-ring, put the mark of
9 o’clock in the direction of the
sun.
The direction of half of the angle
between the lines of the marks 9
and 12 to the centre of the watch
is approximately south (S). Turn
the register-ring to that south
direction and set S by that point.
❈
This arrangement can be used only in the
northern hemisphere.
11. PRECAUTIONS
Water Resistance
• To prevent water coming into contact with the
internal mechanism of the watch, the crown should
under no circumstances be pulled out while the
watch is wet.
• If watches designed for sports or working in the
water are exposed to salt water or significant
amounts of sweat, they should be rinsed in fresh
water and dried thoroughly.
• Exposure to water may affect the durability of
some types of leather bands.
• Because the internal watch parts may hold some
moisture, if the external temperature is lower than
that inside the watch, the glass covering the watch
face may fog up.
If this fogging up is only temporary it poses no
problem, however, if it persists over a long period
of time you should discuss the matter with a
salesperson at the shop where you purchased the
watch or at a Citizen Service Centre.
Temperature
Avoid exposing the watch to direct sunlight or
leaving it in extremely hot or cold locations for a
long period of time.
• This will cause malfunctioning and shorten the life
of the battery.
• This may cause your watch to gain or lose time
and affect its other functions.
Shock
• This watch will withstand the bumps and jars
normally incurred in daily use and while playing
such non-contact sports as golf and catchball.
• Dropping the watch on the floor or otherwise
imparting severe shock to it may cause
malfunctioning or damage.
Static Electricity
• The integrated circuits used in the watch are
sensitive to static electricity. If exposed to intense
static electricity, the watch’s display may lose its
accuracy.
Chemicals and Gases
Avoid wearing the watch in the presence of strong
chemicals or gases. If the watch comes in contact
with such solvents as thinner and benzine or
products containing materials such as gasoline, nail
polish, detergent or adhesive, its components may
discolour,,dissolve or crack. Be especially careful to
avoid chemicals. The watchcase or band may
discolour if they come in contact with mercury from
a broken thermometer or the equipment.
Keep Y our Watch Clean
Wipe off soil and moisture from the glass with a
soft, absorbent cloth. If you wear the watch when
the back side of the case and watchband is soiled
they may cause a skin rash as they come in direct
contact with your skin. Keep your watch clean also
to avoid staining your cuffs.
Battery
• The battery is a monitor battery that has been
factory-installed. For this reason it may wear out
after purchase before the specified battery life
(about 3 years) has elapsed.
• Be sure to keep the battery out of the reach of
infants and small children. Should accidental
ingestion occur, consult a doctor immediately.
Classification Specification Watch face Case back
Washing face or getting
wet in the rain, that
(when splashed over it
and no water pressure
is applied to it).
Swimming and general washing
work (kitchen work/car washing
etc.)
Water sports and skin
diving. (without air tank).
Scuba diving. (with air
tank).
Pulling out the crown
when the watch is wet.
NO NO NO NO NO
OK NO NO NO NO
OK OK NO NO NO
OK OK OK NO NO
No water
resistance
Water resistance
for daily life
Reinforced water
resistance for
daily life.
Non
Non
WATERRESIST
(ANT)
WATERRESIST
(ANT)
WATERRESIST
(ANT)
Non Non
3 bar water
resistance watch
5 bar water
resistance watch
WATER
RESISTANT
WR
❈❈❈/❈❈
bar
WATER RESISTANT
WR
❈❈❈/❈❈
bar
10 bar/20 water
resistance watch
“WATER RESISTANT” may sometimes be abbreviated as “WATER RESIST” *Always set the crown in the normal position. *Tighten screw lock crown completely
Indication
Water-related use
13. SPECIFICATIONS
1) TYPE: Digital quartz watch with magic light
2) Time accuracy: within +45 seconds per month
3) Watch operation temperature range:
0C~55C/32F~131F
4) Display functions •Time...............hour/minute/
second, AM/PM
12H/24H
•Calendar.........month/date/
day of the
week
•Chronograph..min, sec
(up to 60 min
in 5 min)
•Time 1............min,sec
(up to 60 mins
in 5 mins.
*With confirmation beep.
Chronograph automatically
starts after time-up.
•Time 2............min, sec (up to
60 min in min).
5) Additional
function: Illumination by EL
(eletroluminescent) panel
6) Battery: • Life........Approx. 3 years (when the EL
panel is lit 3 seconds a day)
*The battery longevity varies
according to the usage of the
alarm.
*The battery installed in your
watch at the factory is for a
monitor use.
You should keep in mind that
the life of your battery could
be shorter than a specified
period.
• Number.........280-204 (CR2016)
Specifications are subject to change without prior
notice.
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