Owner’s Manual
33
Operation
• Remoistentheelectrodes.
• Testyourcheststrapwithamachinethatyouknowisworking,orwithaHR
watch that you know is working.
Maintaining the Transmitter Belt
Clean the chest belt regularly with mild soap and water, then dry thoroughly.
Residual sweat and moisture keeps the transmitter active and will drain the battery
in the transmitter. Do not use abrasives or chemicals such as steel wool or alcohol
for cleaning, as they can damage the electrodes permanently. Replacement belts
can be purchased from an Authorized Nautilus Fitness Retailer or at
www.nautilus.com.
Contact HR
Through the use of stainless steel sensors built into the handle bar and using
sophisticated software, HR can be checked at any time during a workout. As
with the wireless telemetry chest belt, the HR is shown on the display in the same
manner.
The contact HR system’s ability to detect a HR signal is influenced by several
factors. Movement of the muscles of the upper body produces an electrical
signal (muscle artifact) that will interfere with the detection of the HR signal by
the sensors. Movement of the hands while they are in contact with the sensors
also produces interference. Calluses and hand lotion act as an insulating layer to
reduce the signal strength. Also, the EKG signal generated by some individuals is
not strong enough to be detected by the sensors. These individuals should opt for
the telemetry method of HR monitoring.
Contact HR input signals are acquired only during contact between your hands
and the stainless steel sensors on the handrails. To use the contact HR feature,
place your hands around the handles so that your hands touch both the top and the
bottom of the sensors. After the initial contact HR signal is detected, the controller
will enter a validation phase requiring a good heart beat signal within 10 to 15
seconds, or until the system acquires a valid signal. During the validation phase
the controller will not recognize telemetry HR signals. The controller will display a
heart icon.
If, during exercise, the HR displayed is erratic, it may be helpful to remove your
hands from the handles, wipe them and place them back on the handles. In all
programs, the HR is shown automatically in the display window the first time the
sensors are touched.
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