Garmin Forerunner 920XT Owner's Manual

Also see for Forerunner 920XT: Owner's manual

Garmin Forerunner 920XT Owner's Manual Manual pdf 20 page image

• Turn off the Bluetooth wireless feature (Turning Off BluetoothTechnology).• Turn off the Wi‑Fi wireless feature (Turning Off Wi‑FiTechnology).My daily step count does not appearThe daily step count is reset every night at midnight.If dashes appear instead of your step count, allow the deviceto acquire satellite signals and set the time automatically.AppendixHeart Rate Zone CalculationsZone % ofMaximumHeart RatePerceived Exertion Benefits1 50–60% Relaxed, easy pace,rhythmic breathingBeginning-levelaerobic training,reduces stress2 60–70% Comfortable pace,slightly deeperbreathing, conversationpossibleBasic cardiovasculartraining, goodrecovery paceZone % ofMaximumHeart RatePerceived Exertion Benefits3 70–80% Moderate pace, moredifficult to holdconversationImproved aerobiccapacity, optimalcardiovascular training4 80–90% Fast pace and a bituncomfortable,breathing forcefulImproved anaerobiccapacity andthreshold, improvedspeed5 90–100% Sprinting pace,unsustainable for longperiod of time, laboredbreathingAnaerobic andmuscular endurance,increased powerVO2 Max. Standard RatingsThese tables include standardized classifications for VO2 max. estimates by age and gender.Males Percentile 20–29 30–39 40–49 50–59 60–69 70–79Superior 95 55.4 54 52.5 48.9 45.7 42.1Excellent 80 51.1 48.3 46.4 43.4 39.5 36.7Good 60 45.4 44 42.4 39.2 35.5 32.3Fair 40 41.7 40.5 38.5 35.6 32.3 29.4Poor 0–40 <41.7 <40.5 <38.5 <35.6 <32.3 <29.4Females Percentile 20–29 30–39 40–49 50–59 60–69 70–79Superior 95 49.6 47.4 45.3 41.1 37.8 36.7Excellent 80 43.9 42.4 39.7 36.7 33 30.9Good 60 39.5 37.8 36.3 33 30 28.1Fair 40 36.1 34.4 33 30.1 27.5 25.9Poor 0–40 <36.1 <34.4 <33 <30.1 <27.5 <25.9Data reprinted with permission from The Cooper Institute. For more information, go to www.CooperInstitute.org.Wheel Size and CircumferenceThe wheel size is marked on both sides of the tire. This is not acomprehensive list. You can also use one of the calculatorsavailable on the Internet.Wheel Size L (mm)12 × 1.75 93514 × 1.5 102014 × 1.75 105516 × 1.5 118516 × 1.75 119518 × 1.5 134018 × 1.75 135020 × 1.75 151520 × 1-3/8 161522 × 1-3/8 177022 × 1-1/2 178524 × 1 175324 × 3/4 Tubular 178524 × 1-1/8 179524 × 1-1/4 190524 × 1.75 1890Wheel Size L (mm)24 × 2.00 192524 × 2.125 196526 × 7/8 192026 × 1(59) 191326 × 1(65) 195226 × 1.25 195326 × 1-1/8 197026 × 1-3/8 206826 × 1-1/2 210026 × 1.40 200526 × 1.50 201026 × 1.75 202326 × 1.95 205026 × 2.00 205526 × 2.10 206826 × 2.125 207026 × 2.35 208326 × 3.00 217027 × 1 214527 × 1-1/8 215516 Appendix