Operation Manual
■
 CHARACTERISTICS
1.  Time/Calendar Display: Hour, minute, second, 
month, date and day of the week. 
2.  Time Indication: Choice of 12-hour display 
format with PM indicator or 24-hour display 
format is available.
3. Stopwatch: The stopwatch can measure up 
to 23 hours 59 minutes and 59 seconds in 1/100-
second increments. Lap time measurement is 
available. 
4. Timer: The countdown timer can be set up to 23 
hours 59 minutes and 59 seconds.
5.  Daily Alarm: The alarm can be set to sound at 
the designated time on a 24-hour basis.  
6.  Second Time Zone: Time in a different time zone 
can be displayed.
7.  Chime: The chime can be set to sound every 
hour on the hour with a single beep.
8. Illuminating Light: The built-in electro-
luminescent (EL) light evenly illuminates the 
display for easy viewing in darkness.
■
 BUTTONS AND DISPLAYS
■
 HOW TO SET THE TIME/CALENDAR
■
 HOW TO USE THE STOPWATCH
1.  From the NORMAL TIME mode, press 
S2
 once 
to change the display to the TIME/CALENDAR 
SETTING mode. (The second digits start flashing.)
2.  <Second setting>
 Press 
S1
 in accordance with a time signal. 
The second digits are reset to“00” and start 
counting immediately.
  When the second digits count any number 
from “30” to “59” and 
S1
 is pressed, one 
minute is added and the seconds are 
immediately reset to “00.”
3. Press 
S3
 to confirm the second setting and move 
on to the next item. 
  Selection of the item to be adjusted (flashing) is 
made in the following order when 
S3
 is pressed.
*Choice of 12-Hour/24-Hour format
  The time display format in either 12-hour 
indication or in 24-hour indication can be 
selected alternately by pressing 
S1
. 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.
*  Measurement and release of lap times can be 
repeated when 
S2
 is pressed.
* When 
S2
 is pressed, the display changes to show 
the current lap time and total time from START for 3 
seconds, and then it automatically returns to show 
the ongoing measurement. 
From the NORMAL TIME mode, press 
S3 
to go to the 
STOPWATCH mode. The STOPWATCH mode indicator 
“SP” appears on the display.
STOPWATCH OPERATION
Standard Measurement
Lap Time Measurement
Start
Lap 1
Last lap
Stop
S1
S2
S2
S2
S1
Lap 2
Reset
S2
S1
Start
Stop
Reset
S1
S2
(to its starting value)
NREZ017
3-2012
CAL. Z017 (R23 SERIES)
Press 
S2
 to reset the stopwatch. 
Press 
S3
 to return to the NORMAL TIME mode.  
4.  To set the digits for each item, press 
S1
. One digit 
(flashing) is increased with each pressing of 
S1
. 
To move the digits quickly, keep 
S1 
pressed.
5.  After all the adjustments are completed, press 
S2
 to return to the NORMAL TIME mode.
How to stop the alarm while sounding
The alarm sounds for 20 seconds at the designated 
time. To stop it manually while sounding, press 
S1
, 
S2 
or
 S3.
Note: The alarm can be set only in one time 
zone. 
STOPWATCH
STOPWATCH mode indicator
STOP
LAP TIME DISPLAY
**Calendar display
  To view the calendar (month and date), keep 
pressing down 
S1 
in the NORMAL TIME mode.
*
“PM” mark
PM
SECOND
DAY OF THE WEEK
12/24-HOUR FORMAT
DATE
HOUR
MINUTE
S3
S3
S3
S3
S3
S3
MONTH
S3
■
 HOW TO USE THE ALARM
From the NORMAL TIME mode, press 
S3
 twice to go 
to the ALARM mode. The ALARM mode indicator 
“AL” appears on the display.
1.  Press 
S2
 to change the display to the ALARM 
SETTING mode. The hour digits start flashing.
2.  Press 
S1
 to set the hour digits. One digit (flashing) 
is increased with each press of 
S1
. To move the 
digits quickly, keep 
S1
 pressed.
3.  Press 
S3
 to confirm the hour setting and move 
on to the minute setting. The minute digits start 
flashing.
4.  Press 
S1
 to set the minute digits. One digit 
(flashing) is increased with each press of 
S1
. To 
move the digits quickly, keep 
S1
 pressed.
5.  Press 
S3
 to confirm the minute setting and move 
on to the time zone setting. 
6.  Press 
S1
 to select the time zone. Select “t1” for 
alarm in the time zone 1, select “t2” for alarm in 
the time zone 2. The alarm is available only in 
one time zone. 
7.  Press 
S2
 to complete the alarm setting.
8. Press 
S3
 to return to the NORMAL TIME mode. 
■
 ENGAGEMENT/DISENGAGEMENT  OF 
THE ALARM & CHIME  
1.  From the NORMAL TIME mode, press 
S3
 twice to 
go to the ALARM mode. 
2.  With each press of 
S1
, the alarm and chime 
can be engaged or disengaged in the following 
order. The ALARM signal and/or CHIME signal 
appear on the display accordingly.  
3. Press 
S3
 to return to the NORMAL TIME mode.  
ALARM mode indicator
CHIME signal
ALARM signal
**
To change the display mode, press S3. The display 
mode changes in the following order.
STOPWATCH
NREZ017.indd 1 12/01/31 10:07


