POLAR FS3c - Manual (Page 9)

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A fl ashing heart symbol indicates an ongoing heart rate
measurement. The heart symbol fl ashes at the pace of your
heart. The outline indicates that the heart rate reception is
coded (FS2c/FS3c). 5. In the Time of Day display,
press the front button to enter
the
menu. EXE (Exercise) is
displayed. If you will need the
backlight during the exercise,
activate the night mode by
pressing and holding the front
button in the Time of Day
display
(FS2c/FS3c).
6. After three seconds the wrist
unit goes into Exercise mode
and the stopwatch starts.
The stopwatch is displayed
and the outline of the heart
symbol will fl ash until your
heart rate is detected.
7. Your heart rate and the heart
symbol
will appear within
15 seconds.
Note:
• Please allow suffi cient time for signal pick up.
• If the wrist unit does not receive your heart rate, the stopwatch
keeps running and the fl ashing heart frame symbol disappears.
Check that the transmitter electrodes are wet and that the
strap is snug enough.
• If the code search was unsuccessful, the frame around the
heart symbol will disappear after 15 seconds. In order to
repeat the code search, bring the wrist unit close to the Polar
logo on the transmitter. If you still do not succeed in code
searching, but your heart rate is displayed and the heart
symbol without a frame is fl ashing, you may start
exercising, but your wrist unit may be disturbed by other
heart rate monitors (FS2c/FS3c).