LG W150 User Manual

Page of 110
Getting to know your watch
23
Heart Rate Sensor
Wear your watch on your wrist
correctly before measuring the
heart rate.
Heart Rate Sensor
NOTES: 
Loose fitting or too much movement may cause inaccurate measurements.
Never look directly at the heart rate sensor light as this may damage your 
eyesight.
You may get accurate heart rate readings by wearing your watch on the 
inside of your wrist.