Pair A Speed Sensor With M450; Measuring Wheel Size - Polar Electro M450 User Manual

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Measures your current, average and maximum speeds
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Track your average speed to see your progress and performance improve
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Light yet tough, and easy to attach

PAIR A SPEED SENSOR WITH M450

Make sure the speed sensor has been correctly installed. For more information on installing the speed
sensor refer to the user manual of the speed sensor.
There are two ways to pair a speed sensor with your M450:
1. Go to General Settings > Pair and sync > Pair other device and press START.
2. M450 starts searching for the speed sensor. Rotate the wheel a few times to activate the sensor.
The flashing red light on the sensor indicates that the sensor is activated.
3. Once the speed sensor is found, Polar SPD xxxxxxxx is displayed.
4. Press START, Pairing is displayed.
5. Pairing completed is displayed when the pairing is ready.
6. Sensor linked to: is displayed. Choose Bike 1, Bike 2 or Bike 3. Confirm with START.
7. Set wheel size is displayed. Set the size and press START.
The first cycling sensor you pair will automatically be linked to Bike 1.
or
1. Press START in time view to enter pre-training mode.
2. M450 starts searching for your speed sensor. Rotate the wheel a few times to activate the sensor.
The flashing red light on the sensor indicates that the sensor is activated.
3. The device ID Pair Polar SPD xxxxxxxx is displayed. Choose Yes.
4. Pairing completed is displayed when the pairing is ready.
5. Sensor linked to: is displayed. Choose Bike 1, Bike 2 or Bike 3. Confirm with START.
6. Set wheel size is displayed. Set the size and press START.

MEASURING WHEEL SIZE

Wheel size settings are a prerequisite for correct cycling information. There are two ways of determining
the wheel size of your bike:
Method 1
Look for the diameter in inches or in ETRTO printed on the wheel. Match it to the wheel size in
millimeters in the right column of the chart.
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