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Before using your EFX, we recommend that you follow these instructions and go through a
preliminary demonstration of the unit.
When using the EFX, follow these general guidelines:
Before and after a workout, gently stretch your lower body and back to help prevent stiffness
or soreness.
At the beginning of a workout, take several minutes to bring your heart rate into your training
zone, shown in Diagram 13 in Chapter 6.
After your workout, walk slowly for several minutes to cool down your body and lower your
heart rate. Use the cool-down feature on your EFX.
A variety of exercise options are available on the EFX. The course profiles shown on the electronic
console label provide workouts from manual mode to customized courses all with heart rate
interactive capability. (To use the Smart Rate and Heart Rate features, you will need to purchase
and install the Precor Heart Rate Option.)
As you workout, keep in mind that because of the EFX’s unique design, you have several ways of
increasing your work effort:
decreasing the resistance and increasing the strides per minute.
increasing the resistance and keeping the same strides per minute.
increasing both the resistance and ramp settings and maintaining your stride rate.
Working Out on the EFX
4
To work out on the EFX, refer to Photo 1 and take the following steps:
1. For Smart Rate or your HEART RATE to appear on the display, the heart rate receiver must be
installed in the electronic console display and you need to wear the chest strap transmitter.
Refer to

Wearing the Chest Strap Transmitter

to learn how to properly use the chest strap.
2. Locate the locking pin that secures the roller arm to the ramp. Pull firmly on the locking pin to
slide it out of the ramp and roller arm. Place the locking pin in a safe place,

do not

discard it.
3. Locate the I/0 switch at the rear of the unit and turn it to I (ON). The Precor banner, “PRECOR
EFX,” scrolls across the electronic console display.
2
Turn I (ON) the EFX.
3
Remove the locking pin.
1
Put on chest strap (optional).

Quick Steps to Working Out

Photo 1

Working out on the EFX5.21s