Operation Manual

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In pause mode, press and hold LIGHT to enter Quick menu. In the pause mode Quick menu, you'll find:
l Lock buttons: Press START to lock buttons. To unlock, press and hold LIGHT.
l Training sounds: Choose Off, Soft, Loud or Very loud.
l Heart rate settings: Heart rate view: Choose Beats per minute (bpm) or % of maximum. Check
HR zone limits: Check the limits for each heart rate zone. HR visible to other device: Choose On
or Off. If you choose On, other compatible devices (e.g. gym equipment) can detect your heart rate.
l GPS recording: Choose Off or On.
l Stride sensor: Choose Calibration or Choose sensor for speed. In Calibration, choose Auto-
matic or Manual. In Choose sensor for speed, set the source for speed data: Stride sensor or GPS.
For more information on Stride sensor calibration, See Polar Stride Sensor Bluetooth® Smart.
l Speed View: Choose km/h (kilometers per hour) or min/km(minutes per kilometer). If you have
chosen imperial units, choose mph (miles per hour) or min/mi (minutes per mile).
l Automatic pause: Choose On or Off. If you set the automatic pauseOn, your session is auto-
matically paused when you stop moving.
l Automatic lap: Choose Off, Lap distance or Lap duration. If you choose Lap distance, set the dis-
tance after which each lap is taken. If you choose Lap duration, set the duration after which each lap
is taken.
GPSrecording must be turned on to use automatic pause or distance-based automatic lap.
FIRMWARE UPDATE
The firmware of your M400 can be updated. Any time a new firmware version is available, FlowSync will notify
you when connecting M400 to your computer with the USB cable. The firmware updates are downloaded via
the USB cable and FlowSync software. Flow app will also notify you when new firmware is available.
Firmware updates are performed to improve the functionality of your M400. They can include improvements to
existing features, completely new features or bug fixes, for example.
HOW TO UPDATE FIRMWARE
To update the firmware of your M400, you must have:
l A Flow web service account
l Installed FlowSync software
l Registered your M400 in the Flow web service
Go to flow.polar.com/start, and create your Polar account in the Polar Flow web service and download
and install FlowSync software onto your PC.