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Garmin Forerunner 230 User Manual

Garmin Forerunner 230
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disclaimer.
Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
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NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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THE POSSIBILITY OF SUCH DAMAGE.
Heart Rate Zone Calculations
Zone % of
Maximum
Heart Rate
Perceived Exertion Benefits
1 50–60% Relaxed, easy pace,
rhythmic breathing
Beginning-level
aerobic training,
reduces stress
2 60–70% Comfortable pace,
slightly deeper
breathing, conversation
possible
Basic cardiovascular
training, good
recovery pace
3 70–80% Moderate pace, more
difficult to hold
conversation
Improved aerobic
capacity, optimal
cardiovascular training
4 80–90% Fast pace and a bit
uncomfortable, breathing
forceful
Improved anaerobic
capacity and
threshold, improved
speed
5 90–100% Sprinting pace,
unsustainable for long
period of time, labored
breathing
Anaerobic and
muscular endurance,
increased power
VO2 Max. Standard Ratings
These tables include standardized classifications for VO2 max. estimates by age and gender.
Males Percentile 20–29 30–39 40–49 50–59 60–69 70–79
Superior 95 55.4 54 52.5 48.9 45.7 42.1
Excellent 80 51.1 48.3 46.4 43.4 39.5 36.7
Good 60 45.4 44 42.4 39.2 35.5 32.3
Fair 40 41.7 40.5 38.5 35.6 32.3 29.4
Poor 0–40 <41.7 <40.5 <38.5 <35.6 <32.3 <29.4
Females Percentile 20–29 30–39 40–49 50–59 60–69 70–79
Superior 95 49.6 47.4 45.3 41.1 37.8 36.7
Excellent 80 43.9 42.4 39.7 36.7 33 30.9
Good 60 39.5 37.8 36.3 33 30 28.1
Fair 40 36.1 34.4 33 30.1 27.5 25.9
Poor 0–40 <36.1 <34.4 <33 <30.1 <27.5 <25.9
Data reprinted with permission from The Cooper Institute. For more information, go to www.CooperInstitute.org.
Appendix 13

Table of Contents

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Garmin Forerunner 230 Specifications

General IconGeneral
Battery low indicationYes
Display size (HxV) (imperial)1 x 1 \
Clock mode12h/24h
Barometric altimeterNo
Recommended activityRunning
Compatible operating systemsAndroid iOS
Product colorBlack, Yellow
Market positioningSport watch
Protection featuresWater resistant
Battery life16 h
Battery typeBuilt-in battery
Display resolution215 x 180 pixels
Operating temperature (T-T)-20 - 60 °C
Weight and Dimensions IconWeight and Dimensions
Weight41 g
Dimensions (WxDxH)46 x 13 x 46 mm

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