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9. ABOUT HEART RATE DETECTION
Heart rate detection functions are selected at the time of purchase. Not every
product has every type of heart rate detection. The following explains factors
that influence the performance of two of the most common types of heart rate
detection devices.
HEART RATE
Telemetry
The words “telemetry heart rate” refer to the detection of heart rate via a device
worn on the exerciser and transmitted over the air to a circuit board built into
the product. Telemetry heart rate devices are commonly worn on the exerciser’s
chest, where the pulse is strongest and relatively easy to detect.
The following explains conditions that affect the performance of the telemetry
heart rate function in all products.
●
The telemetry heart rate transmitter emits a wireless 5 kHz signal that is harm-
less to the human body. Keep a distance within 60cm between the heart rate
receptor and the transmitter to achieve stable connection.
●
If the battery is too low, the receiving distance may be shortened or there will
be no reception.
●
Secure the telemetry heart rate transmitter on your chest so that it stays in
place without making you feel uncomfortable. Moisten the skin for better con-
tact.
●
Because the telemetry heart rate signal varies in strength from 20 Hz to 20
KHz, environmental interference can block signal reception. Physical vibra
-
tion and electronic devices, including stereos, TVs, and even fluorescent
lights, can interfere with signal reception. For best results, install the product
in an area free from such interference.
●
Space the product apart by at least 39 inches (100 cm) to avoid having the
heart rate value from one exerciser appear on a neighboring product.
HEART RATE
Contact
The words “contact heart rate” refer to the detection of the heart rate via sensors
on the product. By holding the sensors, the exerciser can view his or her heart rate
on the product display. Like telemetry heart rate, contact heart rate can be influ
-
enced by several factors. The following list includes some of these factors.
● A weak pulse makes it difficult to detect heart rate.
● Low systolic blood pressure makes it difficult to detect heart rate.
●
Dry, course palms impede heart rate detection. For best results, moisten your
palms. But do not apply hand lotion immediately prior to your workout, be-
cause hand lotion can gum up the contact pads.
Heart rate devices built into this product are not medical devices. Heart rate
values are for reference only. Do not use them for medical diagnostic or
treatment work.
CAUTION: Heart rate detection and transmission devices have been known
to interfere with the operation of pacemakers, possibly endangering human
life. If you have a pacemaker, exercise under your doctor’s supervision;
take a test to ensure your safety during the simultaneous use of the
pacemaker and heart rate detection devices. The use of such devices must
be undertaken at your own risk.
Note that in dry areas in particular, static electricity can interfere with unit
operation and shock people. To discharge static electricity from your body,
touch something else before touching metal on the product.
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