Precor EFX 447 Owner's Manual page 34

If SmartRate is on, you will see a heart rate indicator
( ) over the SmartRate zone bar during your workout.
This indicator shows where your current heart rate
falls within the active zone. You can then change the
intensity of the workout to stay within the zone you
want.
Figure 18: SmartRate zone bar
To make sure that SmartRate works correctly, you
need to make sure of the following things:

Your age is properly set in your user profile.

The equipment can read your heart rate properly. If
you are using a chest strap, you must moisten and
position it properly. If you are using the
touch-sensitive grips on the equipment, you must
maintain contact with both grips for five to ten
seconds.
Note: SmartRate is on by default, but it is not available
if the Guest account is selected.
Measuring Your Heart Rate
To turn on SmartRate:
1. During your workout, touch Options.
2. At the Options screen, touch SmartRate On.
3. Touch Back to return to your workout.
Note: There is only one SmartRate button on the
Options screen. If SmartRate is currently on, the button
is named SmartRate Off. If SmartRate is currently off,
the button is named SmartRate On.
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