How To Wear The Heart Rate Monitor; How To Measure Heart Rate; If Problems Occur: Sources Of Disturbance - Polar Electro S120 User Manual

HOW TO WEAR THE HEART RATE MONITOR

2. Press OK again. The stopwatch starts running. Your exercise
data is now being recorded.
3. Press Stop twice to stop heart rate monitoring.

IF PROBLEMS OCCUR: SOURCES OF DISTURBANCE

If the heart rate reading is irregular or abnormal, or if there is no
heart rate reading at all, check that
• the two grooved electrode areas on the back of the
transmitter are moistened
• there is no one else using a heart rate monitor within
3 feet/ 1 meter
• you are not near high voltage power lines, televisions, mobile
phones or other sources of electromagnetic interference.
6
6
1. Attach the transmitter to the elastic strap.
2. Adjust the strap length to fit snugly and
comfortably. Secure the strap around your
chest, just below the chest muscles, and
buckle it.
3. Lift the transmitter off your chest and
moisten the two grooved electrode areas
on the back.
4. Check that the wet electrode areas are
firmly against your skin and the Polar logo
is in a central, upright position.
5. Keep the wrist receiver within
3 feet/ 1 meter of your transmitter.

HOW TO MEASURE HEART RATE

The display is blank when the receiver leaves
the factory. When using the receiver for the
very first time, activate the blank display by
pressing OK twice. Time of day will appear.
1. Starting with the display showing the time
of day, press OK. Your heart rate appears in
a few seconds.