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INTRODUCTION
Congratulations on your new M400! Designed for enthusiastic exercisers, the M400 with GPS, Smart Coach-
ing and 24/7 activity measurement encourages you to push your boundaries and perform at your best. Get an
instant overview of your training straight after your session with Flow app, and plan and analyze your training
in detail with the Flow web service.
This user manual helps you get started with your new training companion. To check the video tutorials and the
latest version of this user manual, go to www.polar.com/en/support/M400.
M400
Monitor your training data, such as heart rate, speed, distance and route, and even the smallest activities in
your everyday life.
H7 HEART RATE SENSOR
See live, accurate heart rate on your M400 during training. Your heart rate is information used to analyze how
your session went.