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Altitude, ascent and descent
•
Temperature during training (can be viewed on the display)
•
Inclinometer (Requires Speed Sensor Bluetooth® Smart)
•
Real time VAM (mean ascent velocity)
•
Altitude-compensated calories
M450 measures altitude with an atmospheric air pressure sensor and converts the measured air
pressure into an altitude reading. This is the most accurate way to measure altitude and altitude changes
(ascent / descent) after calibration. Ascent and descent are shown in meters/feet. Uphill/downhill
steepness is shown in percentages and grade, and is only visible during training when using a Speed
Sensor Bluetooth® Smart.
To make sure that the altitude reading remains accurate, it needs to be calibrated whenever a reliable
reference, such as a peak or a topographic map, is available or when at sea level. Pressure variations due
to weather conditions, or indoor air-conditioning, may affect altitude readings.
The temperature shown is the temperature of your M450.
Altitude is automatically calibrated with GPS, and it will be shown in gray until it's calibrated. To get the
most accurate altitude readings, it's recommended to always calibrate altitude manually when you know
your current altitude. Manual calibration can be done in the pre-training view or in the training view quick
menu. For more information, see
SMART COACHING
Whether it's assessing your day-to-day fitness levels, creating individual training plans, working out at the
right intensity or receiving instant feedback, Smart Coaching offers a choice of unique, easy-to-use
features, personalized to your needs and designed for maximum enjoyment and motivation when
training.
M450 includes the following Smart Coaching features:
•
Training Benefit
•
Training Load and Recovery (this feature is available in the Polar Flow web service)
•
Fitness Test
•
Orthostatic Test
•
Heart rate zones
•
Smart calories
Quick
Menu.
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