Citizen U010 User manual

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CONTENTS
1. Features ....................................................................................... 4
2. Names of Components ............................................................... 5
3. Switching Digital Functions (Modes) ........................................ 6
4. EL Illumination ............................................................................ 8
5. Accessing Times and Dates of Major Cities ............................ 9
6. Setting Analog Time ................................................................. 12
7. Setting Digital Time................................................................... 13
8. Setting the Date......................................................................... 15
9. Using the Alarm......................................................................... 17
10. Using the Chronograph .......................................................... 19
11. Using the Timer ....................................................................... 22
12. Using the Zone Setting Mode ............................................... 25
13. All-Reset Procedure ............................................................... 27
14. Precautions ............................................................................ 28
15. Specifications......................................................................... 34
English

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2. Names of Components
Digital display 2
Button (M)
Hour hand
Button (B)
Second hand
Minute hand
Crown
Button (A)
Digital display 1
[Shutter Display]
The design may vary depending on the model.
1. Features
This watch is a combination quartz watch equipped with a shutter function that allows
the digital display to be recalled and used only when necessary, and a function that makes
it possible to easily call up the time and date of 30 cities around the world as well as UTC
(Universal Time Coordinated) time and date simply by pressing the watch buttons.
It is also equipped with an EL illumination function that enables the display to be viewed
in the dark.

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*1: The digital display is completely concealed in the shutter mode.
*2: In the zone setting mode, the watch can be used to set the display and non-display
status as well as the use of daylight savings time for each of the 30 cities and UTC
(Universal Time Coordinated) displayed by the watch.
* When none of the buttons are operated for about 2 minutes in the time, calendar,
alarm or zone setting mode, the watch returns to the shutter mode.
* When none of the buttons are operated for about 10 minutes in the chronograph
or timer mode (excluding when timing is in progress), the watch returns to the
shutter mode.
3. Switching Digital Functions (Modes)
This watch is equipped with the functions (modes) shown below. Each time button (M)
is pressed, the mode changes in the order shown below.
[Alarm]
(M)
(M) (M)
(M)
(M)
(M)
(M)
(M)
[Shutter Mode] *1
[Time] [Calendar]
[Chronograph]
[Timer]
[Zone Setting] *2

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5. Accessing Times and
Dates of Major Cities
The time or date of major cities pre-registered in this watch as well as UTC time or date
can be easily called up by pressing the buttons.
City name
Time corresponding to
the city name
<Access Procedure>
(1)Press button (M) to switch to the time or calendar
mode.
(2)Each time button (B) is pressed, the time or date
of the next city is displayed in the order shown in
the table on the next page (direction in which the
time difference increases or decreases).
When button (A) is pressed simultaneous to press-
ing button (B), the order in which the cities are
recalled (direction in which the time difference in-
creases or decreases) changes.
(M)
(A)
(B)
4. EL Illumination
* The EL light is illuminated when button (A) is pressed (for as long as it is pressed) in
the time, calendar or zone setting mode.
* When button (A) is pressed in the shutter mode (for as long as it is pressed), the EL
light is illuminated and the watch displays the time mode.
* The EL light is illuminated automatically when the split time or stop operation is
performed during chronograph measurement.

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* Cities for which non-display (OF) has been selected in the zone setting mode are
not displayed.
* Cities (regions) in which daylight savings time is used are indicated with a ,
while those in which it is not are indicated with an .
* The time difference and use of daylight savings time of each city are subject to
change by the particular country (the information in the table is valid as of 1999).
London
Paris
Rome
Cairo
Istanbul
Moscow
Kuwait
Dubai
Karachi
New Delhi
Dacca
Bangkok
Singapore
Hong Kong
Beijing
<Time Differences Between Cities Displayed by this Watch and UTC
(Universal Time Coordinated)>
UTC
LON
PAR
ROM
CAI
IST
MOW
KWI
DXB
KHI
DEL
DAC
BKK
SIN
HKG
PEK
Watch
display
City name
Time
difference
Daylight
savings
time
Universal Time
Coordinated
TYO
SYD
NOU
AKL
HNL
ANC
LAX
DEN
CHI
MEX
NYC
YUL
CCS
RIO
BUE
Tokyo
Sydney
Noumea
Auckland
Honolulu
Anchorage
Los Angeles
Denver
Chicago
Mexico City
NewYork
Montreal
Caracas
Rio de Janeiro
Buenos Aires
+9
+10
+11
+12
–10
–9
–8
–7
–6
–6
–5
–5
–4
–3
–3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
No.
±0
±0
+1
+1
+2
+2
+3
+3
+4
+5
+5.5
+6
+7
+8
+8
+8
Watch
display
City name
Time
difference
Daylight
savings
time
No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

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(1) The second hand stops when the crown
is pulled out.
(2) Turn the crown to set the watch to the
correct time.
(3)After setting the time, securely push the
crown in to the normal position. The
second hand starts to move when the
crown is pushed in.
7. Setting Digital Time
When the time is set for any of the 30 cities or UTC, the times of other cities are auto-
matically corrected by converting the time difference.
[Normal Time Display]
City name
Time
(1) Press button (M) to switch the watch to the time
mode.
(2) Press button (B) to display the city for which the
time is to be corrected.
(3) Pressing button (B) continuously for about 2 sec-
onds causes “SUM (abbreviation for daylight
savings time) ”and “On or OF” to flash.
(4) Press button (A) to switch the selection for day-
light savings time to “On” or “OF(OFF)” for that
city.
(5) Each time button (B) is pressed, the location
that flashes changes in the order of seconds to
minutes to hours and finally to 12/24 hour dis-
play. Press button (B) until the location desired
to be corrected flashes.
(M)
(A)
(B)
6. Setting Analog Time
Second hand
Normal position
Crown
Time correction
position
<Hint for Setting the Time Accurately>
If the second hand is stopped at the 0 seconds position, the minute is advanced 4-5
minutes past the correct time and then turned back to the correct time, and the crown is
pushed in when the digital time is at 0 seconds, the watch can be accurately set to the
correct time.

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8. Setting the Date
When the date is set for any of the 30 cities or UTC,
the dates of other cities are automatically corrected
by converting the time difference.
[Normal Date Display]
City name
Month, date
and day
(1)Press button (M) to switch the watch to the
calendar mode.
(2)Press button (B) to display the city for which the
date is to be corrected.
(3)Pressing button (B) continuously for about 2
seconds causes the “month” to flash so that it can
be corrected. The location on the display that is
flashing can be corrected.
(M)
(A)
(B)
(4)Each time button (B) is pressed in the correction state, the location that flashes
changes in the order of month to date and finally to the year. Press button (B) until
the location desired to be corrected flashes.
(5)Press button (A) to correct the location that is flashing. (Pressing button (A)
continuously causes the display to advance rapidly.)
(6)Press button (M) to return to the normal display.
(6) Press button (A) to correct the location that is flashing.
* When button (A) is pressed in the seconds correction state, the seconds is corrected
to 00. (The minutes advance by one minute when the seconds are between 30 and
59 seconds.)
* When switching between 12 and 24-hour display, the display switches between 12
and 24 hours each time button (A) is pressed.
* Each time button (A) is pressed in the hours or minutes correction state, the display
advances by 1. Pressing button (A) continuously causes the display to advance
rapidly.
(7) Press button (M) to return to the normal display.
* When using the 12-hour display, pay attention toAM(A) and PM(P)
when setting the time.
* When none of the buttons are operated for about 2 minutes in the
time correction state (flashing display), the watch automatically
returns to the normal time display.
* Pressing button (M) in the time correction state immediately re-
turns the watch to the normal time display.

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(M)
(A)
(B)
9. Using the Alarm
The alarm tone sounds for about 15 seconds at
the same time every day once it has been set
(ON). The alarm can be switched off when it is
sounding by pressing any button.
[Alarm (ON) Display]
Alarm On mark
City name
Alarm time On or OF
<Setting Procedure>
(1) Press button (M) to switch the watch to the
alarm mode.
(2) Press button (B) to display the city for which
the alarm is to be set.
(3) Pressing button (B) continuously for about 2 seconds causes the alarm to be switched
ON and the hours to flash.
(4) Press button (A) to correct the “hours”. (Pressing button (A) continuously causes the
display to advance rapidly.)
(5) Press button (B) to cause the “minutes” to flash.
(6) Press button (A) to correct the “minutes”.
(7) Press button (M) to return to the normal display.
* When none of the buttons are operated for about 2 minutes in the
date correction state (flashing display), the watch automatically re-
turns to the normal date display.
* When button (M) is pressed in the date correction state, the watch
immediately returns to the normal date display.
* The year can be corrected from 2000 to 2099 (displayed only when
correcting).
* The day is corrected automatically by correcting the year, month
and date.
* The calendar function of this watch is a full auto calendar. Once the
date is set, the end of the month is corrected automatically, includ-
ing leap years.
* When the date is set to a date that does not exist, the date will
automatically be corrected to the first day of the next month when
the watch is returned to the normal display (example: February 30
is automatically corrected to March 1).

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10. Using the Chronograph
The chronograph is able to measure and display time up to a maximum of 23 hours, 59
minutes and 59.99 seconds in 1/100 second units. Following completion of measure-
ment for 24 hours, the chronograph returns to the reset display and stops. In addition, the
chronograph is also able to measure split time (intermediate elapsed time).
[Chronograph Reset Display]
(M)
(B)
Hours
Minutes, seconds
and 1/100 seconds
(B)
(A)
(A)
(A)
(B)
(B)
(A) Measurement Stops
Split time
*1
*1: Automatically returns to the
measurement state after 10 seconds.
(A)
* Since the alarm time is also based on a 12-hour display when the time mode is
set to a 12-hour display, pay attention to AM(A) and PM(P) when setting the
alarm time.
* After the alarm has been set, the alarm time does not change even if the time
mode is set to daylight savings time.
* When none of the buttons are operated for about 2 minutes in the alarm correc-
tion state, the watch automatically returns to the normal alarm display.
* When button (M) is pressed in the alarm correction state, the watch immediately
returns to the normal alarm display.
<Switching the Alarm ON and OFF>
The alarm is switched On and OF (Off) each time button (A) is pressed during the
normal alarm display. When the alarm is set to ON, the “ ” mark lights on the
digital display in each mode.
<Sound Monitor>
The alarm monitor tone sounds for as long as button (A) is pressed in the alarm mode.

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Split time: The amount of time that has elapsed at some intermediate point from the
starting line.
Starting line
Split time
Finish line
Split time
<Measurement Procedure>
(1) Press button (M) to switch the watch to the chronograph mode.
(2) The chronograph starts when button (A) is pressed and stops when button (A) is
pressed during measurement. Starting and stopping is repeated each time button (A)
is pressed.
(3) Pressing button (B) while the chronograph is stopped returns it to the reset display.
<Split Time Measurement Procedure>
The most recent split time is displayed for about 10 seconds whenever button (B) is
pressed during chronograph measurement. (The SPL mark flashes while split time is
displayed.)
* Pressing button (M) during chronograph measurement allows the mode to be
changed. Chronograph measurement can be displayed in continuation from the
time the mode was switched by again returning to the chronograph mode. How-
ever, the chronograph returns to the reset display when measurement exceeds 24
hours.