137
Repairs
All repairs performed on this watch, with the exception of repair of the band, are to be
performed at CITIZEN. This is because special technologies and equipment are
required to perform repairs, inspections and adjustments. Please make requests for
repairs to Citizen Service Center when having your watch repaired.
English
138 139
WW
This radio wave watch receives standard time radio
signals broadcast in the People’s Republic of China in
order to adjust the time and date.
WW
• Only standard time radio signals broadcast from in the People’s Republic of China
(BPC) are received.
• The radio wave watch has no effect on the human body or medical equipment.
WW
Fully charge your watch before use by exposing it to
sufficient light.
WW
The second hand will move at 2-second intervals when the watch is insufficiently
charged. Charge your watch as indicated in “Guide to Charging Time” on page 180.
• Charge the watch in direct sunlight for a whole day once a month.
NO: Reception status NO
Second hand
Hour hand
Crown for turning
the outer scale
Button (A)
Crown
Minute hand
Button (B)
H, M, L: Reception level/
reception status
RX: Reception standby
• This watch indicates the reception level and reception status with the short side of the second
hand.
• The illustrations shown in this manual may differ from the actual watch you have purchased.
140 141
1. Your Watch................................................................................................. 142
2. Operating the Crown ................................................................................. 143
3. Before Use ................................................................................................... 144
A. Check the Movement of the Second Hand .......................................... 144
B. Check the Reference Position ............................................................... 146
4 . Functions List ............................................................................................. 148
Radio Signal Reception
5. Reception..................................................................................................... 150
6. Poor Reception Areas................................................................................. 153
7. Position of the Second Hand During Reception ...................................... 154
8. Confirming Reception Status .................................................................... 155
9. Reception Area Standards......................................................................... 156
Manually Setting the Time and the Date
10. Setting the Time.......................................................................................... 158
11. Setting the Calendar................................................................................... 160
Table of Contents
Correcting the Time Difference............................................................................ 164
12. Adjusting the Reference Position.............................................................. 166
Troubleshooting ..................................................................................................... 168
Solar Power
13. Solar Power Function................................................................................. 172
14. Characteristics of the Solar Powered Watch........................................... 174
A. Power Saving Function ......................................................................... 176
B. Insufficient Charge Warning Function ............................................... 178
C. Overcharging Prevention Function ..................................................... 179
D. Guide to Charging Time ....................................................................... 180
E. Handling Your Solar Powered Watch ................................................. 182
15. Using the Slide Rule Bezel ......................................................................... 184
16. Precautions.................................................................................................. 196
17. Specifications .............................................................................................. 202
142 143
1. Your Watch
<Radio Signal Reception Function>
This watch automatically receives standard time radio signals broadcast from radio signal
transmitters in the People’s Republic of China (BPC), which contain information that
automatically adjusts the time and the date of your watch. (P. 150)
i Regular automatic reception: The watch will automatically receive the radio signals at 2
a.m. every day and adjust the time and date accordingly. If a signal cannot be received at
2 a.m., it will try again automatically at 4 a.m.
i On demand reception function: The radio signals can be received at the desired time to
adjust the time and date. * Not possible when the radio wave is interrupted.
<Eco-Drive Function>
This solar powered Eco-Drive watch is powered by photo energy converted into electrical
energy.
i Power saving function: If the watch face is not exposed to light for one week or longer,
the hands are stopped in order to restrict the power consumption of the watch. (P. 176)
<Overseas Use>
i Time difference correction function: A simple method is available for changing to the
local time if you are going to an area in a different time zone. (P . 164)
2. Operating the Crown
There are two models available for the crown: normal and screw lock.
<Operating the Screw Lock Crown>
• When the screw lock is
released, the crown pops
out a little and stops in
the normal position.
After finishing the
operation, lock the
crown again.
<Moving the Hands Continuously>
With the crown in position 1 or position 2, quickly and
continuously turn the crown clockwise or
counterclockwise by two clicks or more to make a
hand (hour, minute or second hand) move
continuously.
To stop the continuous movement of the hands, turn
the crown clockwise or counterclockwise by one click.
* Your fingertips will feel the crown click slightly.
• Turn the crown
counterclockwise.
Using the side of your finger, quickly
turn the crown by two or more clicks.
Turn
counterclockwise.
144 145
Check the
movement of
the second
hand.
Charge the watch
sufficiently by placing it in
direct sunlight as indicated
in “Guide to Charging
Time” on page 180.
The second hand is
moving at 2-second
intervals or is
stopped.
Check the
reception
status by
pressing button
(A) once which
is located at
the 4:00
position.
The second hand
shows H, M, L as
a reception
status.
The second hand
shows NO as a
reception status.
Your watch is
correctly receiving
the standard time
radio signal.
It is ready to use.
Perform on demand
reception as
indicated in “On
Demand Reception”
on page 151.
The second hand is
moving at 1-second
intervals.
3. Before Use
A. Check the Movement of the Second Hand
NO: Signal
reception failed
RX: Reception standby
Reception
level/reception
status
H : High
M : Middle
L : Low
Button (A)
147146
B. Check the Reference Position
Before using the watch, check that the hands are aligned with “0”, similar to when
setting weighing scales
i The reference position may become misaligned by environmental factors such as
magnetism, static electricity or an external impact. Even if radio signals are received, if
the watch hands are not aligned to the correct reference position, it will not be possible to
indicate the correct time. Check that the hands are properly aligned with “0”.
Examples of magnetic products that can affect the watch
• Health products (for example, medical necklaces and waist bands that have magnetic
fields)
• Refrigerators (magnetic part of the door)
• Electromagnetic cookers
• Bags (with magnet fasteners)
• Mobile phones (speaker part)
Keep the watch away from items similar to those above.
The reason why analog quartz watches are affected by strong magnetic fields:
The step motor operates through a magnet, so when it is exposed to a strong external
magnetic field, the motor operation is affected and the correct time is no longer
displayed.
[Checking the Reference Position]
(1) With the crown in the normal position, press and hold button (B) for more than 5
seconds, and release when the second hand starts to move.
(2) All the hands and the date will move rapidly, stopping at the reference position.
* This could take up to a maximum of about 7 minutes.
(3) If the reference position is correct, the check is complete.
If an incorrect position is indicated, the reference position must be adjusted.
(4) After completing the check, press button (B) once to return to the original time.
Refer to “Adjusting the Reference Position” on page 166.
Button (B)
Correct reference position indication
Time: 00:00:00
Date: Between 31 and 1
148 149
Hand Movement
The second hand will stop in the RX position and then move to the H, M or L level. If the reception level is
not shown, normal hand movement will return without a signal being received.
The second hand will stop at H, M, L or NO.
The second hand will stop at the 12:00 position. (If a time difference setting has been made, it will stop at the
position appropriate for the time difference.)
Turn the crown clockwise to move ahead by 1 hour and turn it counterclockwise to move back by 1 hour.
Second hand: Turn the crown clockwise to rotate the second hand clockwise once and move the minute hand
ahead by 1 minute.
Turn the crown counterclockwise to rotate the second hand counterclockwise once and move
the minute hand back by 1 minute.
* Turn the crown quickly to advance rapidly.
Hour hand, date: Turn the crown clockwise to move the hour hand ahead by 1 hour.
Turn the crown counterclockwise to rotate the hour hand counterclockwise and back by 1 hour.
* Turn the crown quickly to advance rapidly.
* The hour hand and the date are linked together. Move the hour hand to change the date.
The second hand will stop at the “Elapsed years after the most recent leap year” position recorded in the watch
memory. Turn the crown clockwise to move the second hand ahead by 1 step and turn it counterclockwise to
move it back.
* Turn the crown quickly to advance rapidly.
Function
On Demand Reception
(P. 151)
Confirming Reception
Status (P. 155)
Correcting the Time
Difference (P. 164)
•
Manually Setting the
Time (P. 158)
• Manually Setting the
Calendar (P. 160)
(Elapsed years after the
most recent leap year)
Button or Crown Operation
Press and hold button (A) for more
than two seconds and release when
the second hand stops in the RX
position.
Press button (A) once.
Press button (B) once and turn the
crown.
Pull out the crown to position 2.
Press button (A) once.
* The adjustment changes between
the minute hand and hour hand
each time button (A) is pressed.
Pull out the crown to position 1.
4. Functions List
Crown
Button (B)
Button (A)
150 151
5. Reception
Three types of radio signal reception are possible: regular automatic reception, on
demand reception and automatic reception recovery.
Regular Automatic Reception
(To receive signals automatically)
• It is not necessary to operate buttons during
regular automatic reception.
<Receiving the radio signals>
1. Remove the watch from your wrist and place on a
stable surface near a window, with the 9:00 position
(antenna for receiving the radio signals side) facing
in the direction of the radio signal transmitter from
which the radio signal can be easily received.
2. The watch will receive the radio signals at 2 a.m.
every day. If a signal cannot be received at 2 a.m., it
will try again automatically at 4 a.m. and the time
will be adjusted.
On demand reception (Manual reception)
• Signals can be received at any time in this mode.
* Not possible when the radio wave is interrupted.
Use this function when regular automatic reception is impossible due to changes in the
reception environment.
<Receiving the Radio Signals>
• Step
1. Find the direction of the radio signal transmitter.
2. Remove the watch from your wrist and place on a stable surface near a window where the
radio signal can be easily received.
3. Point the 9:00 position of the watch in the direction of the radio signal transmitter, and
press and hold button (A) for more than 2 seconds. Release when it stops at RX.
4. The second hand will then move to H, M or L.
An antenna for receiving the radio
signals is located inside the watch (on
the 9:00 position).
Radio Signal Reception
[Reception standby] [Receiving signal] [Reception completed]
RX
(Reception
standby)
The second hand returns to
1-second interval movement.
Reception
level (H, M, L)
152 153
5. Do not move the watch during reception.
6. When the signal has been properly received, the second hand will automatically
move from H, M or L to the time that was received, all the hands will be adjusted,
and the second hand will return to 1-second interval movement.
• The reception level may be affected by the surroundings in which the watch is being
used. While referring to reception levels H, M and L, keep changing the watch
direction or location and try to receive the signals.
Automatic Reception Recovery
i After the watch has stopped due to an insufficient charging, charge the watch in
sunlight sufficiently. When the watch is recharged sufficiently, it will automatically
receive the radio signal once.
Regularly charge your watch so that it does not become
insufficiently charged.
To confirm, refer to “Confirming Reception Status” on page 155.
• When the watch is receiving the radio wave signal, all of the hands
will stop. To check the time, hold button (A) for 2 seconds to cancel
radio wave reception. The hands will then return to the current time.
6. Poor Reception Areas
It may be difficult to properly receive the radio signals under certain environmental
conditions or in areas susceptible to radio noise.
j Extremely hot or cold
locations
j Near cellular
phones in use
j Inside vehicles,
including cars, trains
and aero planes
j Near TVs, refrigerators,
computers, fax machines and
other home electronic devices
or electrical appliances
j Inside reinforced concrete
buildings, or underground
j Near high-tension electrical
lines, railway overhead wires
or communication facilities
154 155
8. Confirming Reception Status
i The reception status can be confirmed.
Step 1: Press button (A) once to confirm the reception status. The second hand will move to
H, M, L or NO.
Step 2: The reception status will be indicated for 10 seconds before the watch automatically
returns to normal hand movement. You can also press button (A) again while the
reception status is indicated to return to 1-second interval movement.
• If NO is indicated, find a location or direction where the reception is better and perform
“On Demand Reception” again.
7. Position of the Second Hand During Reception
[Reception standby] [Receiving signal] [Reception completed]
j Second hand moves to
RX and stops.
j The second hand will move
from RX to reception level
H, M or L and will begin
receiving signals.
j
When reception is successful, the
second hand will return to 1-second
interval movement and the positions
of the other hands will be
automatically adjusted.
<Time Necessary for Reception>
Reception can take from between about 2 minutes to a maximum of 15 minutes, depending on factors
such as the weather or noise. If the signal reception fails, the watch may return immediately to the
normal indication.
NOTE:
If the signal is blocked while it is being received due to changes in the environment or other factors,
the second hand may rotate once and show the reception level again. Do not move the watch until the
second hand has returned to moving at 1-second intervals.
* H, M and L only indicate the reception level, and do not affect the
performance.
<The time display may shift slightly depending on the reception environment and internal watch
processing even if radio waves are properly received.>
Reception level
H
M
L
NO
Reception status
Received at a strong reception level
Received at a quite strong reception level
Received at a weak reception level
Signal reception failed
156 157
Beijing
Shanghai
CHINA
TAIWAN
Hong Kong
Taipei
9. Reception Area Standards
The map shows a standard of the reception area. However, note that the signal condition
could change due to factors including the weather (such as lightning) and changes in the
season or sunrise/sunset time.
The reception area on the map should be used only as a standard, and it may be difficult
to receive the radio signal even within the areas indicated on the map.
Location of the radio signal transmitter
Shanggiu, Henan
Standard time radio signal
BPC
The standard time radio wave used by this radio controlled watch is broadcast almost
continuously, but may be interrupted occasionally due to special circumstances at the
radio wave transmitter. Radio waves cannot be received during this period.
Even if reception of the standard time radio signal has failed, the watch will continue to
be accurate to within ±15 seconds per month.
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