Precor 846i ユーザーズマニュアル

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User’s Reference Manual: Heart Rate Features
7
Using SmartRate
The SmartRate feature helps you monitor and maintain your heart rate 
in the target zone best suited to your specific needs. When the cycle 
detects a heart rate, a single LED blinks and indicates the zone that 
your heart rate is in. 
Important: To use the SmartRate feature, you must enter your age. 
If you were not prompted for your age during program selection, 
press the OPTIONS key and enter your weight and age. Refer to 
Addressing Your Weight and Age.
The 10 LEDs in the SmartRate display are color-coded. Pulsating 
orange LEDs indicate you are exercising outside the recommended 
heart rate target zone. Green LEDs indicate when you are exercising 
within the recommended fat burn or cardio fitness zones.
Table 1 shows the percents used in calculating the heart rate target 
zones. While your heart rate remains within these zones, the 
corresponding lights blink and provide a visual cue.
The calculation used to determine your maximum aerobic heart rate is 
(220 minus your age). When you multiply it by the percent indicated in 
Table 1, you can understand the relationship between the pulsating 
LED and your target heart rate.
CAUTION: Your heart rate should never exceed 85% of your 
maximum aerobic heart rate or go above PEAK. If it does, 
immediately reduce your pedaling speed or adjust the resistance 
to return your heart rate to your physician-recommended target 
zone.
Table 1. Heart rate target zones and SmartRate LEDs  
Heart Rate Zone
Percent
 LED Lit
LED Blinking
Zone Label
Below 50
First
Orange
WARMUP
50 to 54
Second
Orange
WARMUP
55 to 59
Third
Green
FAT BURN
60 to 64
Fourth
Green
FAT BURN
65 to 69
Fifth
Green
FAT BURN
70 to 74
Sixth
Green
CARDIO
75 to 79
Seventh
Green
CARDIO
80 to 84
Eight
Green
CARDIO
85 to 87
Ninth
Orange
PEAK
Above 87
Tenth
Orange
HIGH