Citizen JM0 Series User manual

INSTRUCTION MANUAL

1
English
Table of contents
Selecting basic functions ……………………………………… 2
Adjusting the analog display…………………………………… 3
Adjusting the digital time display …………………………… 4
Setting and using the alarm …………………………………… 6
Using the stopwatch …………………………………………… 7
Adjusting the calendar ………………………………………… 8
Setting the chime and sound monitor ………………………… 10
Battery replacement / Reset …………………………………… 11
Water resistance ………………………………………………… 12
Precautionary items and usage limitations ………………… 14
Specifications …………………………………………………… 20

A
M
S R A
2
Hours
Minutes
AM/PM Alarm set
mark
Chime set
mark
Alarm mode
mark
Stopwatch
mode mark
Crown
Minutes Minutes Minutes
Seconds Seconds
Hours Hours Hours Month
Date
Day
Press Mbutton to select functions.
Selecting basic functions
TIME CALENDARALARM STOPWATCH
Seconds
Calendar
mode mark

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English
Crown
•Alarm, Stopwatch and calendar modes are indicated by each ashing mode
mark.
•Crown—Analog display set,
M— Mode change, Instant manual return
S— Selection, Reset, Split
R— Adjustment, Start, Stop, Alarm set, Illumination
★e Cal. C20* doesn't have any STOPWATCH or CALENDAR mode mark.
Pull out the crown one step and turn clockwise
or counterclockwise direction to adjust the
analog time display.
e seconds hand will start timekeeping
synchronizing with the digital time display
when the crown is returned to the original
position.
Adjusting the analog display
Selecting basic functions
A

A
M
S R AAA
4
1) Press
M
button
to set to the
normal TIME
display.
2) Press Suntil
SECONDS
start flashing.
3) Press Rto
set seconds
to "00".
4) Press Sfor
MINUTES
adjustment.
MINUTES start
flashing.
5) Press Rand
adjust the
minutes.
6) Press S
for Hours
adjustment.
HOURS start
flashing.
7) Press Rand
adjust the
hours.
Press Sto select the digit display, and press Rto adjust each display.
Adjusting the digital time display
TIME HOURSSECONDS MINUTES

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English
8) Press Sfor 12/24
HOURS selection.
12/24 HOURS
start flashing.
9) Press Rand
select 12 or
24-HOUR display.
10) Press Sor
M
to finalize
adjustment.
The watch
returns to
the normal
TIME display.
•If the watch is le in the adjustment
mode for about 1 minute without
operating any buttons, AUTO
RETURN will activate to return to
the normal TIME display.
•If seconds adjustment is made
when the SECOND display is
showing 30-59 seconds, the
MINUTE display will automatically
advance to the next minute.
•INSTANT MANUAL RETURN to
the normal TIME display can be
made at any stage of adjustment by
pressing Mbutton.
•A and P marks display only under
the 12-hour time system.
Adjusting the digital time display
TIME12/24 HOURS

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•e setting procedure of the ALARM time is the same as that of the TIME
display. Setting order is as follows: ALARM→HOURS→MINUTES
•e HOURS display will synchronize with the selection of 12 or 24-HOURS in
the TIME adjustment.
•If the watch is le in the adjustment mode for more than 1 minute without
operating any button, AUTO RETURN will activate to return to the normal
ALARM display.
•INSTANT MANUAL RETURN to the normal ALARM display can be made at
any stage of adjustment by pressing Mbutton.
•Press Rbutton in the normal ALARM mode to set "ON" or "OFF" the alarm.
e ALARM set mark ( ) will be indicated.
•ALARM sounds for 20 seconds at the ALARM set time. Alarm buzzer can be
ceased by pressing any button.
Setting and using the alarm

7
English
Stopwatch operation diagram
•Conrmation sound will be made each time Sor Rbutton is pressed in the
STOPWATCH mode.
•e SPLIT COUNTER mode will turn into the STOPWATCH COUNTER
mode when it is changed to the other mode while it is in operation.
•e TIMEKEEPING of the stopwatch will be turned o, if the ALARM buzzer
is stopped by pressing Sor Rbutton when the watch is in the STOPWATCH
COUNTER or SPLIT COUNTER mode.
While the split display is in use the SPLIT mark or S mark is displayed.
★SPLIT TIME measures the time elapsed aer starting the split time function.
•e stopwatch measurement capacity is 60 minutes, from 0 to 59' 59. 99"
Using the stopwatch
STP.W
S R
RESET STOPWATCH
COUNTER
STOPWATCH
STOP
SPLIT
COUNTER
SPLIT STOP
R
RR
S
SS

8
DATE
S R
M
DATE DATE DATE
1) Press
M
button
to set to the
normal CALENDAR
display.
2) Press Suntil
DATE starts
flashing.
3) Press R
and adjust
the date.
4) Press Sfor
MONTH
adjustment.
MONTH starts
flashing.
5) Press Rand
adjust the
month.
6) Press Sfor DAY
adjustment. DAY
starts flashing.
7) Press Rand
adjust the day.
8) Press Sor
M
to
finalize adjustment.
The watch returns
to the normal
CALENDAR display.
Adjusting the calendar
CALENDAR DAYDATE MONTH

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English
•INSTANT MANUAL RETURN and AUTO RETURN system will activate in
the same manner as described in the TIME adjustment.
•If non-existent date is set, the CALENDAR display will show the 1st day of the
next month when returned to the normal display. (ex: February 31 → March 1)
•e CALENDAR function includes automatic month-end adjustment, but in
the leap year changeover from February to March must be made manually.
(e Cal C20*doesn't display the CALENDAR mode mark.)
Adjusting the calendar