NREZ025CF
CAL. Z025, Z031 (R23 SERIES)
■ C H A R A C T E R I S T I C S
1. Time/calendar display:Hour, minute, second,
month, date and day of the week
2. Time indication: 12-hour display format with
PM indicator and 24-hour display format are
available.
3. Stopwatch: The stopwatch can measure up to 23
hours 59 minutes and 59 seconds in 1/100-second
increments. Split time measurement is available.
4. Alarm: The alarm can be set to sound at the
designated time on a 24-hour basis.
5. Chime: The chime can be set to sound every
hour on the hour with a single beep.
6. Countdown timer: The countdown timer can be
set up to 23 hours 59 minutes and 59 seconds.
7. I l l u m i n a t i n g l i g h t : T h e b u i l t - i n e l e c t r o -
luminescent (EL) light evenly illuminates the
display for easy viewing in darkness.
■ B U T T O N S A N D D I S P L AY S
D a y o f t h e w e e k
A
( S E T / L I G H T )
P M
indicator
H o u r
D
( M O D E )
M o n t h
The display mode changes in the following order
by pressing Button D.
TIME
CHRONOGRAPH
D
SECOND TIME
■ H O W T O S E T T H E T I M E /C A L E N DA R
1. Press Button A for 2 seconds. The second digits
start flashing.
2. Selection of the digits to be adjusted (flashing)
is made in the following order by pressing Button
D.
D
S E C O N D S
H O U R S
D
1 2 / 2 4 - H O U R
F O R M AT
D AT E
D
3. One digit (flashing) is advanced with each
press of Button B, and reversed with each press
of Button C. The digits except seconds are
advanced or reversed quickly by keeping Button
B (advance) or C (reverse) pressed.
Second setting
Press Button B in accordance
with a time signal. The second
A
digits are reset to "00" and start
counting immediately.
When the second digits count
any number from "30" to "59"
and Button B is pressed, one
minute is added and the seconds
are immediately reset to "00."
Press A for
A
2 seconds
B
D
C
Press B or C
Press B or C
to set second
to set hour
D
D
Press B or C
Press B or C
to set 12/24 H format
to set date
4. After all the adjustments are completed, press
Button A to return to the TIME/CALENDAR mode.
C h o i c e o f 1 2 - H o u r / 2 4 - H o u r f o r m a t
The time display format in either 12-hour indication or
in 24-hour indication can be selected alternately by
pressing Button B or C. Under the 12-hour indication
format, "PM" mark appears in the afternoon, but no
AM mark appears in the morning. Under the 24-hour
indication format, no mark appears on the display.
H o w t o s e t t h e h o u r l y c h i m e
In the TIME/CALENDAR mode, press Button
C to turn ON or OFF the hourly chime.
C
Hourly chime is OFF
11-2024
C h i m e
A l a r m
B
(START/STOP)
Second
Caliber Z031:
without out-track
second display
C
( S P L I T / R E S E T )
M i n u t e
D a t e
TIMER
ALARM
ZONE
D
M I N U T E S
D
Y E A R
D
M O N T H
D
D
Press B or C
D
to set
minute
Press B or C
to set
D
year
D
Press B or C
to set month
Hourly chime is ON
■ H O W T O U S E T H E C H R O N O G R A P H
P r e s s B u t t o n D t o g o t o t h e C H R O N O G R A P H
m o d e . T h e C H R O N O G R A P H m o d e i n d i c a t o r
appears on the display.
H o u r
D
O u t e r s e c o n d
m a r k e r s
C h ro n o g r a p h o p e r a t i o n
S t a n d a r d M e a s u r e m e n t
B
C
B
Start
Stop
Reset
S p l i t T i m e M e a s u r e m e n t
B
C
C
Split
Split
Start
Release
*
Measurement and release of split time can be
repeated by pressing Button C.
D u r i n g t h e m e a s u r e m e n t , t h e o u t e r s e c o n d
markers keeps flashing.
Press Button D to retur n to the TIME/CALENDAR
mode.
■ H O W T O U S E T I M E R
A
D
Press Button D twice to go to the TIMER mode. The
TIMER mode indicator appears on the display.
1. Press Button A for 2 seconds. The second digits
start flashing.
2. Press Button B to set the second digits. One
digit (flashing) is advanced with each press of
Button B and reversed with each press of Button
C. The digits are advanced or reversed quickly
by keeping Button B (advance) or C (reverse)
pressed.
3. Press Button D to confirm the second setting and
move on to the minute setting. The minute digits
start flashing.
4. Press Button B or C to set the minute digits in the
same manner as the second setting.
5. Press Button D to confirm the minute setting and
move on to the hour setting. The hour digits start
flashing.
6. Press Button B or C to set the hour digits in the
same manner as the second and minute setting.
7. Press Button A to complete the timer setting.
TIME/CALENDAR
Mode
TIMER Mode
A
D
Press D
D
Twice
A
Press A to
Press B or C
complete setting
to set hour
T i m e r o p e r a t i o n
C
B
B
Start
Stop
Reset
1. Press Button B in the TIMER mode to start the
countdown timer.
2. Press Button B to stop the countdown timer.
3. To reset the timer, press Button C.
Press Button D to return to the TIME/CALENDAR mode.
■ H O W T O S E T A L A R M T I M E
A L A R M
m o d e i n d i c a t o r
A
D
Press Button D three times to go to the ALARM
mode. The ALARM mode indicator appears on
the display.
1. Press Button A for 2 seconds. The hour digits
start flashing.
2. P r e s s B u t t o n B t o s e t t h e h o u r d i g i t s . O n e
digit (flashing) is advanced with each press
of Button B and reversed with each press of
Button C. The digits are advanced or reversed
quickly by keeping Button B (advance) or C
(reverse) pressed.
3. Press Button D to confirm the hour setting and
move on to the minute setting. The minute
digits start flashing.
C H R O N O G R A P H
m o d e i n d i c a t o r
B
M i n u t e
S e c o n d
C
1 / 1 0 0 S e c o n d
B
C
Reset
Stop
T I M E R
m o d e i n d i c a t o r
B
T I M E R T i m e
( h o u r & m i n u t e )
C u r r e n t t i m e
( O u t e r s e c o n d
m a r k e r )
C u r r e n t t i m e
( H o u r / M i n u t e )
C
B
A
C
Press A for
2 seconds
Press B or C
D
to set second
D
Press B or C
to set minute
B
A L A R M T i m e
(hour & minute)
A l a r m t i m e
z o n e
T 1 o r T 2
C
Need help?
Do you have a question about the Z031 and is the answer not in the manual?
Questions and answers