Omron HR-310 - Manual (Page 22)

22
STOPWATCH
VIEW DATA AND CURRENT HEART RATE WHILE
STOPWATCH IS RUNNING
Press HR to scroll through the following screen displays while the
stopwatch is in use:
Percentage heart rate and current heart rate
Stopwatch and current heart rate
Average heart rate and current heart rate
Calories burned and current heart rate
PERCENTAGE HEART RATE READING
The percentage heart rate reading is calculated from your current heart
rate and MHR:
The higher the percentage, the harder the heart is working. For
example, when you reach 80-90% you should consider slowing down
to a more comfortable exercise level.