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The SC-594 is a simple detector meant to offer general guidance as to the Pulse Rate of a person at a given 
moment in time.  This is not a medical device and it should not be viewed as offering any sort of physical 
indication, prescription, or protection.  Each person makes their own decisions about their health and the 
information they deem of value should be obtained from a licensed Medical Professional.  Above all else, refer to 
your Doctor or Health Care professional for guidance as to the exposure to exercise or day to day events which 
are safe for you and your family. 
 
The Pulse Rate is an indication of the number of times a heart beats during a period of time.   We will estimate the 
approximate number of times it will beat in a minute.  Both internal and external factors can affect this rate, 
including but not limited to Stress, Smoking, Exercise, Eating, rate of breathing, and Air Temperature.  The SC-594 
will have difficulty obtaining a Pulse Rate for those people having an irregular heart beat or cardiovascular deficits.  
 
These calculations are for general reference and should not be considered as a diagnosis or any sort of medical 
indication. 

 

 

(D) MODE CHANGE OPERATION 

 

 

2

 
 
 
 
 
 
 
 
 
Press button S3 for mode change operation. The sequence is shown as follow: 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

(E) HOW TO SET NORMAL TIME 

S1 

S4 

S2 

S3

NORMAL TIME 

S2 

CHRONOGRAPH 

S2 

TIMER 

S2 

ALARM 

SAFETY RANGE SET 

S3 

S3 

S3 

S3 

S1 

S4 

S2 

S3 

PULSE RATE MONITOR 

PULSE RATE MONITOR 

S3 

PULSE RATE MONITOR 

 
 
 
 
 
 
 
 
 
 
- Press button S3 to show Normal Time mode, weekday displayed in the bracket. 
- Press & hold button S2 for 3-4 seconds to enter setting mode. The second digits start flashing. 
- With each press of button S1, the selected digits, weekday or 12H/24H to be adjusted (flashing) can be made. 
  Press & hold button S1 for fast setting. 
- With each press of button S3, next digits, weekday or 12H/24H for setting can be selected. The sequence is 
  shown as follow: 
 
 
 
 

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