User manual GARMIN FORERUNNER 620

[. . . ] Forerunner 620 Owner?s Manual October 2013 190-01631-00_0A Printed in Taiwan All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of Garmin. Garmin reserves the right to change or improve its products and to make changes in the content of this manual without obligation to notify any person or organization of such changes or improvements. Go to www. garmin. com for current updates and supplemental information concerning the use of this product. [. . . ] NOTE: Ground contact time appears only while running. ?Tips for Erratic Heart Rate Data If the heart rate data is erratic or does not appear, you can try these tips. ?Reapply moisture to the electrodes and contact patch. ?You can use water, saliva, or electrode gel. ?Wash the strap after every seven uses (page9). ?Wear a cotton shirt or wet your shirt if suitable for your activity. ?Synthetic fabrics that rub or flap against the heart rate monitor can create static electricity that interferes with heart rate signals. ?Move away from sources that can interfere with your heart rate monitor. ?Sources of interference may include strong electromagnetic fields, some 2. ?4 Ghz wireless sensors, high-voltage power lines, electric motors, ovens, microwave ovens, 2. ?4 Ghz cordless phones, and wireless LAN access points. ?Estimates You can use your Garmin device paired with the heart rate monitor to display your VO2 max. ?is the maximum volume of oxygen (in mililiters) you can consume per minute per kilogram of body weight at your maximum performance. ?is an indication of athletic performance and should increase as your level of fitness improves. ?estimates are provided and supported by Firstbeat Technologies Ltd. ?Estimate Before you can view your VO2 max. ?estimate, you must put on the heart rate monitor and pair it with your device (page6). ?If your Forerunner was packaged with a heart rate monitor, the devices are already paired. ?For the most accurate estimate, complete the user profile setup (page7), and set your maximum heart rate (page6). ?NOTE: The projections may seem inaccurate at first. ?The device requires a few runs to learn about your running performance. ?1 Run for at least ten minutes outdoors. ?estimate is a number and position on the color gauge. ? 5 2 Select an option: ?Select BPM to view and edit the zones in beats per minute. ? [. . . ] It takes several activities for the device to learn your aerobic fitness. ? Training Effect Description 1. ?0?1. ?9 2. ?0?2. ?9 3. ?0?3. ?9 4. ?0?4. ?9 5. ?0 Helps recovery (short activities). ?Improves endurance with longer activities (more than 40 minutes). ?Improves your aerobic fitness if repeated as part of your weekly training program. ?Highly improves your aerobic fitness if repeated 1?2 times per week with adequate recovery time. ? [. . . ]