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.
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