Calibrating Your Power Meter
Before you can calibrate your power meter, you must install it, pair it with your device, and begin actively
recording data with it.
For calibration instructions specific to your power meter, see the manufacturer's instructions.
1 Select > Sensors.
2 Select your power meter.
3 Select Calibrate.
4 Keep your power meter active by pedaling until the message appears.
5 Follow the on-screen instructions.
Pedal-Based Power
Rally measures pedal-based power.
Rally measures the force you apply a few hundred times every second. Rally also measures your cadence or
rotational pedaling speed. By measuring the force, the direction of force, the rotation of the crank arm, and time,
Rally can determine power (watts). Because Rally independently measures left and right leg power, it reports
your left-right power balance.
NOTE: The single-sensing Rally system does not provide left-right power balance.
Cycling Dynamics
Cycling dynamics metrics measure how you apply power throughout the pedal stroke, and where you apply
power on the pedal, allowing you to understand your particular way of riding. Understanding how and where you
produce power allows you to train more efficiently and evaluate your bike fit.
NOTE: You must have a compatible, dual sensing power meter connected using ANT+ technology to use cycling
dynamics metrics.
For more information, go to www.garmin.com/performance-data.
46 Wireless Sensors
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