B023_E

B023_E
CITIZEN QUARTZ
ECO-DRIVE
Model No. EP4XXX/EP3XXX
Cal. No. B02/B03
• INSTRUCTION MANUAL
A. BEFORE USING
This watch is not powered by an ordinary battery,
but by converting photo energy into electric energy.
Before using, expose to light and make sure
the watch is fully charged.
Since it takes time to recharge the watch until
it starts running again once it has stopped, try
to make sure the watch is charged every day.
When the watch is stopped, the watch hands
will begin to move when the watch is charged
for about 5 hours in the case of the two-hand
model or about 1 hour in the case of the
three-hand model at 3000Lux (under a
fluorescent light at a distance of about 20 cm
(8 inch)).
A secondary battery is used in this watch to store
electrical energy. This secondary battery is a
clean energy battery which does not use any
toxic substances such as mercury. Once fully
charged, the two-hand model will continue to
run for about 5 months, while the three-hand
model will continue to run for about 2 months,
without further charging.
To use this watch comfortably, make sure that the
watch is always recharged before it stops.
There is no risk of overcharging this watch.
(Overcharge prevention function is included.)
B. SETTING THE TIME
C. FUNCTIONS OF SOLAR POWERED WATCH
If the charge becomes insufficient, a warning
function will be activated that causes the display to
change as shown below.
Refer to the explanations of each function on the
following page for further details.
Normal time
display
Insufficient charge
warning display
Three-Hand Model
(One second interval
movement)
: Second hand moves
once every second.
Two Hand Model
(20 second interval
movement)
: Minute hand moves
once every 20 seconds.
If sufficiently
charged
If charged
Time setting
warning display
If insufficiently
Three-Hand Model
charged and
(Irregular two second
time is set
interval movement)
: Second hand moves
irregularly once every
two seconds.
Two Hand Model
If sufficiently (Irregular one minute
charged and interval movement)
time is set
: Minute hand moves
irregularly in three steps
once every minute
Recharge by
exposing to
light
Stop
Setting the time
1. Pull the crown out to the time setting position (the
second hand will stop when the crown is pulled
out in the case of the three-hand model).
2. Turn the crown to set the time.
3. After setting the time, firmly push the crown back
in to the normal position.
Three-Hand Model
(Two second interval
movement)
: Second hand moves
once every two seconds.
Two Hand Model
(One minute interval
movement)
: Minute hand moves
regularly in three steps
once every minute
If sufficient
charge
continues
Insufficient Charge Warning Function
In the case of the two-hand model, the minute hand
moves by one minute interval movement, and in the case
of the three-hand model, the second hand moves by two
second interval movement to indicate the insufficient
charging. Although the watch keeps the correct time when
this happens, the watch will stop after about 5 days in the
case of the two-hand model or about one day in the case
of the three-hand model, after the start of the one minute
interval movement or two second interval movement.
Recharge the watch by exposing to light. The watch will
then begin to run normally again.
Time Setting Warning Function
Although the watch hands will begin to move when
the watch is charged after stopping, since the time
is incorrect, the minute hand will move by irregular
one minute interval movement in the case of the
two-hand model, or the second hand will move by
irregular two second time interval movement in the
case of the three-hand model to indicate that the
time is incorrect. When this happens, fully charge
the watch and reset the time. The watch will
continue to run by the irregular interval movement
until the time is reset even if fully charged.
[Irregular one minute
interval movement]
[Irregular two second
interval movement]
CAUTION
Never use another battery different from the
secondary battery used in this watch.
The watch structure is so designed that a different
kind of battery other than that specified cannot be
used to operate it. In case a different battery such
as a silver battery is used by some chance, there is
a danger that it will be overcharged to burst, causing
damage to the watch and even the human body.
F. TIME REQUIRED FOR CHARGING
Time required for recharging may vary according to
the design (colour of the dial, etc.) and operating
environment. The following table will serve you as a
rough reference.
Overcharge Prevention Feature
You can recharge without worry
Once the secondary battery is fully recharged, the
overcharging prevention feature comes into
operation and prevents over-recharging.
D. CARE AND HANDLING DURING CHARGING
Notes on use
Take care to charge your watch during use.
Please note that if you wear long sleeves, the watch
can easily become insufficiently charged because it
is hidden and not exposed to light.
• When you take the watch off, place it in as bright a
place as possible, and it will always continue to
run properly.
Notes on recharging
• Avoid recharging at high temperatures (over about
60C/140F), otherwise the watch will be damaged
during recharging.
(eg) Charging the watch near a light source that
easily becomes hot, such as an incandescent
lamp or a halogen lamp.
Charging in a place that easily becomes hot such
as a dashboard.
When you charge the watch by an incandescent
lamp, take a distance about 50cm (20in) from the
light source to prevent extremely high temperature.
E. REPLACING THE SECONDARY BATTERY
Unlike ordinary batteries, the secondary battery
used in this watch doesn’t have to be
periodically replaced due to repeated charging
and discharging.
Full recharging time (Empty to full):The time for fully
recharge from stopped.
One day usage: The time required for the watch to
run for one day with one second interval movement
for 20 seconds interval movement.
*The recharging time is the time when the watch is
continuously exposed to radiation.
G. PRECAUTIONS
CAUTION: Water resistance performance
There are several types of water-resistant watches,
as shown in the following table.
Indication
Examples of use
Specifications
Dial
Case
(case back)
No
Indication
WATER
RESIST(ANT)
Moderate
exposure to
water
(washing,
kitchen work
swimming
etc.)
Minor
exposure to
water
(washing
face, rain etc.)
Skin
diving
(with air
tank)
Marine
Sports
(skin
diving)
Operation
of the
crown
with
moisture
visible
Water resistant
to
3 atmospheres
OK
NO
NO
NO
NO
WATER
Water resistant
Water Resistant
RESIST(ANT)
to
5 Bar or No
5 Bar
5 atmospheres
Indication
OK
OK
NO
NO
NO
WATER
Water resistant
Water Resistant
to 10-20
10-20 Bar or RESIST(ANT)
10-20 Bar
atmospheres
No Indication
OK
OK
OK
NO
NO
The unit “bar” is equal roughly to 1 atmosphere
For correct use within the design limits of the watch,
confirm the level of water resistance of your watch,
as indicated on the dial and case, and consult the
table.
• Water-Resistance for daily use (to 3 atmospheres):
This type of watch is water-resistant to minor
exposure to water. For example, you have have to
wear the watch while washing your face; however
it is not designed for use underwater.
• Upgraded water-resistance for daily use (to 5
atmospheres): This type of watch is waterresistant to moderate exposure to water. You may
wear the watch while swimming; however, it is not
designed for skin diving.
• Upgraded water-resistance for daily use (to 10/20
atmospheres): This type of watch may be used for
skin diving; however, it is not designed for scuba
or saturated diving using helium gas.
CAUTION
• Be sure to use the watch with the crown pressed
in (normal position). If your watch has a screwtype crown, be sure to tighten the crown
completely.
• DO NOT operate the crown with wet fingers or
when the watch is wet. Water may enter the watch
and compromise water-resistance.
• If the watch is used in sea water, rinse with fresh
water afterward and wipe dry with a dry cloth.
• If moisture has entered the watch, or if the inside
of the crystal is fogged up and does not become
clear within a day, immediately take the watch to
your dealer or Citizen Service Centre for repair.
Leaving the watch in such a state will allow
corrosion to form inside.
• If seawater enters the watch, place the watch in a
box or plastic bag and immediately take it for
repair. Otherwise pressure inside the watch will
increase, and parts (crystal, buttons, etc.) may
come off.
CAUTION: Keep your watch clean
• Leaving dust and dirt deposited between the case
and the crown may result in difficulty in pulling out
the crown. Rotate the crown while in its normal
position, from time to time, to loosen dust and dirt
and brush it off.
• Dust and dirt tend to be deposited in the gaps in
the back of the case or band. Deposited dirt or
dust may cause corrosion or soil your clothing.
Clean the watch occasionally.
Cleaning the Watch
• Use a soft cloth to wipe off dirt, perspiration and
water from the case and crystal.
• Use a soft, dry cloth to wipe off perspiration and
dirt from the leather band.
• To clean a metal, plastic or rubber watchband,
wash away the dirt with mild soap and water. Use
a soft brush to remove dust or dirt jammed in the
gaps in the metal band. If your watch is not waterresistant, take it to your dealer.
NOTE: Avoid using solvents (thinner, benzine, etc.),
as they may mar the finish.
CAUTION: Operating environment
• Use the watch within the operating-temperature
range specified in the instruction manual.
Using the watch where temperatures are outside
the specified range, may result in deterioration of
functions or even stoppage of the watch.
• Do NOT use the watch in places where it is
exposed to high temperature, such as in a sauna.
Doing so may result in a skin burn.
Do NOT leave the watch where it is exposed to
high temperature, such as in the glove compartment
or dashboard of a car.
Doing so may result in the deterioration of the
watch, such as deformation of the plastic parts.
• Do NOT place the watch close to a magnet.
Timekeeping will become inaccurate if you place
the watch close to magnetic health equipment
such as a magnetic necklace or magnetic latch of
a refrigerator door or handbag clasp or the earphone
of a mobile phone. If this has occurred, move the
watch away from the magnet and reset the time.
• Do NOT place the watch close to magnetic
appliances that generate static electricity.
Timekeeping may become inaccurate if the watch
is exposed to strong static electricity, such as
emitted from a TV screen.
• Do NOT subject the watch to a strong shock such
as dropping it onto a hard floor.
• Avoid using the watch in an environment where it
may be exposed to chemicals or corrosive gasses.
If solvents such as thinner or benzine, or
substances containing such solvents, come into
contact with the watch, discolouration, melting,
cracking, etc. may result. If the watch comes into
contact with mercury used in thermometers, the
case, band or other parts may become discoloured.
H. SPECIFICATIONS
1.Type
2. Caliber No.:
3. Accuracy:
4. Quartz oscillator
frequency:
5. IC:
6. Operating temperature:
7. Display features:
8. Additional features:
9. Continuous operating
time:
10. Battery
Analog Quartz watch
B02* (Two hand model)
B03* (Three-hand model)
Within ± 15sec/month
(with a normal temperature
range of +5°C/41°F to
+35°C/95°F)
32.768Hz
C/MOS-LSI (1pc.)
-10°C/14°F to +60°C/140°F
Time: hour, minute, (Twohanded model)/hour,
minute, second (Threehanded model)
Insufficient charge warning
function
Time setting warning
function
From fully charged to stop:
Approx. 5 months
(Two-hand model)
Approx. 2 months
(Three-hand model)
Second battery
*Specifications are subject to change without prior
notice
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