Garmin D2 Mach 1 Owners Manual - Page 119

Tips for Recording Running Pace and Distance • Update your D2 Mach 1 watch software (Product Updates, page 146). • Complete several outdoor runs with GPS and your connected HRM-Pro series accessory. It's important that your outdoor range of paces matches your range of paces on the treadmill. • If your run includes sand or deep snow, go to the sensor settings, and turn off Auto Calibrate. • If you previously connected a compatible foot pod using ANT+ technology, set the foot pod status to Off, or remove it from the list of connected sensors. • Complete a treadmill run with manual calibration (Calibrating the Treadmill Distance, page 20). • If automatic and manual calibrations don't seem accurate, go to the sensor settings, and select HRM Pace & Distance > Reset Calibration Data. NOTE: You can try turning off Auto Calibrate, and then manually calibrate again (Calibrating the Treadmill Distance, page 20). Running Dynamics Running dynamics is real-time feedback about your running form. Your D2 Mach 1 watch has an accelerometer to calculate five running form metrics. For all six running form metrics, you must pair your D2 Mach 1 watch with the HRM-Pro series accessory or other running dynamics accessory that measures torso movement. For more information, go to garmin.com/performance-data/running. Metric Sensor Type Description Cadence Watch or compatible Cadence is the number of steps per minute. It displays the total accessory steps (right and left combined). Vertical oscil­ Watch or compatible Vertical oscillation is your bounce while running. It displays the lation accessory vertical motion of your torso, measured in centimeters. Ground contact Watch or compatible time accessory Ground contact time is the amount of time in each step that you spend on the ground while running. It is measured in milliseconds. NOTE: Ground contact time and balance are not available while walking. Ground contact time balance Compatible accessory only Ground contact time balance displays the left/right balance of your ground contact time while running. It displays a percentage. For example, 53.2 with an arrow pointing left or right. Stride length Watch or compatible Stride length is the length of your stride from one footfall to the next. accessory It is measured in meters. Vertical ratio Watch or compatible accessory Vertical ratio is the ratio of vertical oscillation to stride length. It displays a percentage. A lower number typically indicates better running form. Tips for Missing Running Dynamics Data This topic provides tips for using a compatible running dynamics accessory. If the accessory is not connected to your watch, the watch automatically switches to wrist-based running dynamics. • Make sure you have a running dynamics accessory, such as the HRM-Pro series accessory. Accessories with running dynamics have on the front of the module. • Pair the running dynamics accessory with your watch again, according to the instructions. • If you are using the HRM-Pro series accessory, pair it with your watch using ANT+ technology, rather than Bluetooth technology. • If the running dynamics data display shows only zeros, make sure the accessory is worn right-side up. NOTE: Ground contact time and balance appears only while running. It is not calculated while walking. REMEMBER: Ground contact time balance is not calculated with wrist-based running dynamics. Sensors and Accessories 109