STOPWATCH MODE
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  The  stopwatch  can  measure  up  to  9  hours  59  minutes  59  seconds 
and 99 in 1/100 second increments. When the measurement reaches 
10 hours, the stopwatch will automatically stop and the display will be 
reset to “0:00’00”00.”
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Up to the lap number 999 can be displayed, and the lap after that is 
counted from 001.
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The  stopwatch  is  equipped  with  a  tachymeter  that  can  be  used  to 
calculate the average speed for a given segment by using the preset 
distance  to  travel  and  unit  of  distance.  The  average  speed  can  be 
displayed within a range between 1 and 999 mph if “mile” is selected 
as the unit of distance.  
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Any numeric value between 0.01 and 99.99 can be set as a distance 
to travel independent of unit of distance.
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The  unit  of  distance  is  selectable  among  “mile”,  “km”  and  “n.mile 
(nautical mile).”
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The  graphic  display  in  the  STOPWATCH mode  synchronizes  with  a 
1/10 second increment of the stopwatch measurement.  
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The measured data can be recalled in DATA RECALL mode. 
  For details, refer to "HOW TO USE THE DATA RECALL FUNCTION".
C
B
C
A
D
Note on unusual display:
If  all  the  segments  of  the  display  light  up  in  the  TIME/
CALENDAR  SETTING  display  with  the  digits  ashing, 
it  is  normal  and  not  a  malfunction.  This  happens  when  
both  buttons  C  and  D  are  pressed  simultaneously.  In 
such  a  case,  press  button  A,  C  or  D  to  return  to  the 
TIME/CALENDAR mode, and then set the time/calendar 
again.
HOW TO SET THE HOURLY TIME SIGNAL
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  The hourly time signal can be set in the TIME/CALENDAR mode. 
  With  each  press  of  button  C,  the  hourly  time  signal  will  be  alternately 
engaged  or  disengaged.  Accordingly,  the  hourly  time  signal  mark  will 
appear  or  disappear  indicating  whether  the  hourly  time  signal  is  ON  or 
OFF. 
Hourly time signal mark
The hourly time signal is 
engaged (ON).
The hourly time signal is 
disengaged (OFF).