page 41
Heart Rate Course: This course lets you set a target for your heart rate. The EFX
adjusts the resistance to maintain your target heart rate while you work out. The
course starts out with a three-minute warm-up. The warm-up period lasts until your
target heart rate reaches 70% of (220 minus “Your Age”) or the three minutes elapse
(whichever comes first). A display prompt indicates that you have reached your
target heart rate and/or completed your warm-up period.
Important: For the EFX to detect your heart rate, you must purchase the Precor Heart
Rate Option package. Refer to page 42.
Unlike the other course profiles on your EFX, the Heart Rate Course profile displays
the resistance level (not the ramp incline). You can adjust the ramp incline anytime
during the course using the CROSSRAMP ▲ or ▼ keys.
The actual
resistance
felt in the foot pedals is altered by the EFX. It attempts to keep
you within two beats per minute of the target heart rate. See Diagram 28 on page 38.
Important: For the Heart Rate Course to work effectively, you must maintain a
constant stride rate above 40 strides per minute.
You cannot directly control the resistance settings. Resistance control is a function of
the Heart Rate Course. However, if you feel that the target heart rate is too high or
too low, it can be adjusted using the RESISTANCE ▼ or ▲ keys. Any changes to the
resistance or ramp incline settings are not saved with the course.
To change the target heart rate (beats per minute), take the following steps:
1. Review the chart in Diagram 28 on page 38. Know your target zone and desired
heart rate (BPM).
2. While working out, maintain a stride rate consistent with what you plan to use
during the entire workout. Hold onto the handrail with one hand and briefly press
the RESISTANCE ▼ or ▲ keys with the other. The display shows your target heart
rate (beats per minute).
Note: If your heart rate cannot be detected (or transmitted through the POLAR
®
chest strap), three dashes (– – –) appear in the Heart Rate display. The display
appears blank if the heart rate receiver is not installed. Refer to page 42,
Wearing the POLAR
®
Chest Strap
.
3. When the key is released, your target heart rate appears as a percent of (220 minus
“Your Age”). So that you have two ways to verify that you are in your target zone.
4. To change your target heart rate (beats per minute), maintain light pressure on
the appropriate RESISTANCE ▼ or ▲ key until the display shows the desired
target BPM. Release the key.
Note: The range for you target heart rate is limited. The EFX does not allow settings
below 50% or above 100% of (220 minus “Your Age”). It is highly recommended to
stay within the 70% to 80% of (220 minus “Your Age”). Exceeding 80% causes a
warning message to appear on the display.
CAUTION: Consistently maintaining your
heart rate above 80% of (220 minus “Your
Age”) is not recommended, unless
approved by your physician, as it does not
necessarily improve your overall cardio-
vascular/cardiorespiratory fitness levels
and it may damage your heart.
6 HRC
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