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SET UP YOUR M400

GET TO KNOW YOUR M400

Set up your M400 at 

flow.polar.com/start

. During the setup, the

M400 will be updated with the latest firmware, and you can start 

using the Flow web service.

 

1. 

Go to

 

flow.polar.com/start

 and download the Polar FlowSync 

software, which you need to connect your M400 to Flow web 

service.

2. 

Open

 the installation package and follow the on-screen 

instructions for installing the software.

3. Once the installation is complete, FlowSync opens 

automatically

 

and asks you to connect your Polar product.

4. 

Plug

 in your M400 to your computer’s USB port with the USB 

cable. The M400 will then wake up and start charging. Let your 

computer install any suggested USB drivers.

5. The Flow web service will be opened automatically on your 

internet browser.  

Create

 a Polar account or sign in if you 

already have one. Fill in your physical details to get personal 

guidance and accurate interpretation of your training sessions. 

6. Click Done to 

synchronize

 your settings between the M400 and 

Polar Flow web service. FlowSync status will change to completed, 

once the synchronization is done.  

7. If there is a firmware update available for your M400 you are able 

to install it at this stage.

Do not charge the device when the USB port is wet or sweaty.

Learn more about your M400 from the full-length user 

manual and tutorial videos at 

polar.com/support/M400.

You’re ready to go. Have fun!

Browse through the menu by pressing UP or DOWN. Confirm 

selections with the START button, and return, pause and stop with 

the BACK button.

Fitness Test

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Mon, 9.8.

START

Start

Running

Diary

Today’s

Activity

USEFUL TIPS

 

» Change the watch face by pressing and holding UP

 

» Lock buttons in time view by pressing and holding LIGHT

 

» Enter Quick menu in training view by pressing and holding LIGHT

Polar M400 is a great training device by itself, but you’ll get even 

more out of it when you use it together with the Polar Flow web 

service and mobile app. 

MOBILE APP

With the Polar Flow mobile app you can view your training data at 

a glance. The app syncs the data wirelessly from your M400 to the 

Polar Flow web service. Get it on the App Store

SM

 or Google Play

TM

 .

WEB SERVICE

Set targets and get guidance to achieve them. Get detailed 

analysis of your results and share your achievements with your 

friends.  Find all this and more at 

polar.com/flow

.

POLAR FLOW

KEY FEATURES

Polar M400 offers a host of unique features to help you train better. 

Here you can find a summary of the most important ones.

INTEGRATED GPS

With an integrated GPS, the M400 provides you with a variety of 

useful information during training. M400 accurately tracks your 

speed and distance, and also calculates GPS based altitude, ascent 

and descent data.  You can view your route on a map in the Polar 

Flow App or Flow web service after your session. The Back-to-start 

feature directs you to your starting point. 

FINISH TIME ESTIMATOR

Set the distance for your session and M400 will estimate your arrival 

time to the destination according to your speed.

RUNNING INDEX

See how efficient your running is. M400 calculates your Running 

Index automatically after every run, based on your heart rate and 

speed data.

TRAINING GUIDANCE

M400 is packed with Polar’s unique Smart Coaching features that 

offer the best possible guidance on how to develop your training as 

well as helpful feedback on your progress. 

See the full-length user manual at 

polar.com/support/M400

 to 

get familiar with all the great features in your M400.

DAILY ACTIVITY

With an inbuilt accelerometer 

M400 tracks all your movements 

24/7. You’ll get a daily activity goal 

and guidance on how to reach 

your goal.  M400 also reminds you 

to get up and move when you’ve 

been inactive too long. You can 

view the data on your M400 or 

Polar Flow App.

SMART NOTIFICATIONS

The smart notifications feature 

allows you to get alerts about 

incoming calls, messages and 

notifications from your mobile 

phone onto your M400. To receive 

notifications, pair your M400 

with Flow app. Choose from your 

phone’s notification center which 

notifications will show on your 

M400 by including them in the 

notifications list. 

In M400, the smart notifications 

feature is set off by default. You 

can set it on in 

Settings

 > 

General 

settings

 > 

Smart notifications

.

For more detailed instructions on 

smart notifications, see 

polar.com/

support/M400

.

LIGHT

BACK

UP

DOWN

When you get hold of your new M400, it’s in storage mode. It 

wakes up when you plug it to a computer or a USB charger. 

If the battery is completely empty, it takes a couple of

minutes for the charging animation to appear.

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