Precor efx 5.25, EFX 5.23 manual To use the touch-sensitive grips on the EFX, grasp both

•The calculation used for the heart rate target zone is: (220 minus your age) multiplied by a percent.

For example:

Low range: (220 minus your age) multiplied by 55%

High range: (220 minus your age) multiplied by 85% Refer to Table 1 in Using SmartRate.

Heart Rate Target Zones

• To use the touch-sensitive grips on the EFX, grasp both

grips and wait five to ten seconds. Make sure both hands

are moist.

• If Hr appears in the HEART RATE display, the EFX is not

detecting a signal, or has not yet determined your heart

rate.

Note: When a signal is detected, the heart rate icon

flashes and a number appears in the HEART RATE

display that indicates your heart rate.

Your Heart Rate

200

190

180

170

160

150

140

130

120

110

100

90

80

70

20 25

Recommended C ardiovascular Zo ne

Recommended W eight Loss Zo ne

30 35 40 45 50 55 60 65 70 75

Your Age

High

Peak

Cardio

Fat Burn

Warmup

• Always face forward on the EFX and use the stationary

handrail for balance. Keep upper body movement to a

minimum.

Diagram 5: Heart rate target zones

Owner’s Manual: Heart Rate Features 13