Fan Control; Meaning Of % Grade - CYBEX 770T-CT Owner's Manual

Cardiovascular systems

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Once the actual heart rate is determined, the LED to the right of the Text Area is blinking to the displayed BPM

and the Heart LED lights up. The color of the light represents a scale of low to high target heart rate.

Fan Control

The fan defaults to the "OFF" setting. The user can change to "LO" or "HI" setting by pressing the

appropriate control key.

A 1% grade is not the same as a 1 degree incline. The % grade is the relationship of the

measurement of rise over the measurement of run (also called slope). For example, a 1 foot (meter)

rise in height over a length of 100 feet (meters) is a 1% grade. Expressed as a mathematical formula,

the grade is calculated as follows: 1 ft. (m) / 100 ft. (m) = 0.01 = 1%

With respect to treadmills, the percent grade is roughly equal to the increase in height (rise) of the

treadmill divided by the length (run) of the treadmill.

The degree of incline can be related to % grade by taking the Arctangent of the grade. For instance,

15% grade is equal to 8.53 Degrees (ArcTan(.15)=8.53º). The opposite is true to determine % Grade

from Degree of incline (Tan (8.53º)=.15).

Cybex 770T-CT Treadmill Owner's Manual

Blue

Green

Yellow

Blood Orange

Magenta

0 – 69 BPM

70 – 93 BPM

94 – 119 BPM (Fat Burn Zone)

120 – 169 (Cardio Zone)

170 and higher

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