POLAR M21 - Manual (Page 23)

24
START THE HEART RATE
MEASUREMENT
1. Wear the transmitter and the wrist receiver as described
in the chapter Getting going.
2. To make sure that the code search will be successful:
• Keep the wrist receiver within 3 feet / 1 metre of
your transmitter.
• Check that you are not near to other people with
heart rate monitors, high voltage power lines,
televisions, mobile phones, cars, exercise
equipment etc.
3. Begin with display showing time of day.
4. Press START/STOP/OK.
MEASURE appears in the display.
The wrist receiver starts searching
for heart rate transmission for max.
15 seconds.
Heart rate measurement
commences and the heart symbol
starts flashing.
Your heart rate reading (in beats per
minute) appears in the display.
If the code search was not successful, the frame around the
heart symbol will disappear after 15 seconds. Go back to
step 2 to repeat the code search.
If you still do not succeed in code searching, but your heart
rate is displayed and the heart symbol without a frame is
flashing, you can start exercising but your wrist receiver
may become disturbed by other heart rate monitors.
M52 man USA GBR A 2001 10/12/01, 12:46 24