Garmin Forerunner 920XT Manuale d'uso - Pagina 20
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• Turn off the Bluetooth wireless feature
Technology).
• Turn off the Wi-Fi wireless feature
Technology).
My daily step count does not appear
The daily step count is reset every night at midnight.
If dashes appear instead of your step count, allow the device
to acquire satellite signals and set the time automatically.
Appendix
Heart Rate Zone Calculations
Zone % of
Perceived Exertion
Maximum
Heart Rate
1
50-60%
Relaxed, easy pace,
rhythmic breathing
2
60-70%
Comfortable pace,
slightly deeper
breathing, conversation
possible
VO2 Max. Standard Ratings
These tables include standardized classifications for VO2 max. estimates by age and gender.
Males
Percentile
95
80
60
40
0-40
Females
Percentile
95
Excellent
80
60
40
0-40
Data reprinted with permission from The Cooper Institute. For more information, go to www.CooperInstitute.org.
Wheel Size and Circumference
The wheel size is marked on both sides of the tire. This is not a
comprehensive list. You can also use one of the calculators
available on the Internet.
Wheel Size
12 × 1.75
14 × 1.5
14 × 1.75
16 × 1.5
16 × 1.75
18 × 1.5
18 × 1.75
20 × 1.75
20 × 1-3/8
22 × 1-3/8
22 × 1-1/2
24 × 1
24 × 3/4 Tubular
24 × 1-1/8
24 × 1-1/4
24 × 1.75
16
(Turning Off Bluetooth
(Turning Off Wi-Fi
Benefits
Beginning-level
aerobic training,
reduces stress
Basic cardiovascular
training, good
recovery pace
20-29
30-39
55.4
54
51.1
48.3
45.4
44
41.7
40.5
<41.7
<40.5
20-29
30-39
49.6
47.4
43.9
42.4
39.5
37.8
36.1
34.4
<36.1
<34.4
L (mm)
935
1020
1055
1185
1195
1340
1350
1515
1615
1770
1785
1753
1785
1795
1905
1890
Zone % of
Perceived Exertion
Maximum
Heart Rate
3
70-80%
Moderate pace, more
difficult to hold
conversation
4
80-90%
Fast pace and a bit
uncomfortable,
breathing forceful
5
90-100%
Sprinting pace,
unsustainable for long
period of time, labored
breathing
40-49
50-59
52.5
48.9
46.4
43.4
42.4
39.2
38.5
35.6
<38.5
<35.6
40-49
50-59
45.3
41.1
39.7
36.7
36.3
33
33
30.1
<33
<30.1
Wheel Size
24 × 2.00
24 × 2.125
26 × 7/8
26 × 1(59)
26 × 1(65)
26 × 1.25
26 × 1-1/8
26 × 1-3/8
26 × 1-1/2
26 × 1.40
26 × 1.50
26 × 1.75
26 × 1.95
26 × 2.00
26 × 2.10
26 × 2.125
26 × 2.35
26 × 3.00
27 × 1
27 × 1-1/8
Benefits
Improved aerobic
capacity, optimal
cardiovascular training
Improved anaerobic
capacity and
threshold, improved
speed
Anaerobic and
muscular endurance,
increased power
60-69
70-79
45.7
42.1
39.5
36.7
35.5
32.3
32.3
29.4
<32.3
<29.4
60-69
70-79
37.8
36.7
33
30.9
30
28.1
27.5
25.9
<27.5
<25.9
L (mm)
1925
1965
1920
1913
1952
1953
1970
2068
2100
2005
2010
2023
2050
2055
2068
2070
2083
2170
2145
2155
Appendix