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14
EXERCISING WITH YOUR HR409
HEART RATE
THE TARGET ZONE
From Time of Day Mode click MODE button once to go to Heart
Rate Mode and begin your exercise. If your transmitter is correctly
attached, the running man indicator on the monitor display should
begin to blink and your current heart rate in beats per minute will
come up on the display. If no heart rate is detected for 5 min. the
heart rate circuit will switch itself off. The indicator tells if the heart
rate circuit is on. To switch it back on after it has shut off, simply
restart the Heart Rate Mode by clicking the MODE button.
Your monitor will provide both a visual indicator (by flashing the
heart rate digits) and an audible alarm (beeping) if your heart rate
is above or below your set target zone range. The "TZ" indicator
with the or arrows will indicate if your heart rate is within,
above or below the set target zone, respectively. The beeping alarm
can be turned on or off by pressing the Alarm button (indicated by
the on the display).
TROUBLESHOOTING
Can't get a Heart Rate reading?
The most common cause for the heart rate not turning on or work-
ing erratically is that the belt is not positioned correctly or not
moistened properly. Make sure that the belt is positioned high
enough on your chest (too high is better than too low) and
properly moistened. The tension should be comfortable but it
shouldn’t be so loose that it slides down the chest. Also make sure
that your monitor is within the 3ft. transmitting distance of the
transmitter and check the angle of its position (at greater
distances, the monitor face should be parallel and facing the
transmitter, instead of on an angle).
It is also known that a small percentage of the population may have
trouble getting an accurate heart rate reading with this type of
device due to the many various intricacies of the heart rate signal.
The signal may be too weak on the surface of the skin, stronger in
a different location of the chest or irregular in waveform. Also, if the
user has had recent heart problems, surgery, or other various
differentiating factors, they might cause a problem. If you are
experiencing difficulties in picking up a steady signal, you may want
to try your monitor on another person, or try positioning the belt
higher on your chest, or shifting it more to the left or right of your
chest (instead of centering the logo).