Button Functions and Menu Structure

M400 has five buttons that have different functionalities depending on the situation of use. See the tables below to find out what functionalities the buttons have in different modes.

Button Functions

Time View and Menu

LIGHT	BACK	START	UP	DOWN
Illuminate the display Press and hold to lock buttons	Exit the menu Return to the previous level Leave settings unchanged Cancel selections Press and hold to return to time view from menu Press and hold to sync with Flow app in time view	Confirm selections Enter pre-training mode Confirm the selection shown on the display	Move through selection lists Adjust a selected value Press and hold to change the watch face	Move through selection lists Adjust a selected value

Pre-Training Mode

LIGHT	BACK	START	UP	DOWN
Illuminate the display Press and hold to enter sport profile settings	Return to time view	Start a training session	Move through sports list	Move through sports list

During training

LIGHT	BACK	START	UP	DOWN
Illuminate the display Press and hold to enter Quick Menu	Pause training by pressing once Press and hold for 3 seconds to stop training recording	Press and hold to set zone lock on/off Continue training recording when paused	Change training view	Change training view

Menu Structure

Enter and browse through the menu by pressing UP or DOWN. Confirm selections with the START button, and return with the BACK button.

In the menu you'll find: Today's activity Diary Settings Fitness test Timers Favorites

Today's Activity

The daily activity goal you get from Polar M400 is based on your personal data and activity level setting, which you can find in the Daily Activity Goal settings in the Flow web service.

Your daily activity goal is visualized with an activity bar. The activity bar fills up as you reach your daily goal.

In Today's activity you'll see details of your activity (active time, calories and steps) and options for reaching your daily activity goal.

For more information, see 24/7 Activity Tracking

Diary

In Diary you'll see the current week, past four weeks and next four weeks. Select a day to see your activity and training sessions of that day, the training summary of each session and the tests you have done.You can also see your planned training sessions.

Settings

In Settings you can edit:

• Sport profiles
• Physical settings
• General settings
• Watch settings

For more information , see Settings.

Timers

In Timers you'll find:

• Interval timer: Set time and/or distance based interval timers to precisely time work and recovery phases in your interval training sessions.
• Finish time estimator: Achieve your target time for a set distance. Set the distance for your session and M400 will estimate the finish time of the session according to your speed.

For more information, see Start a Training Session.

Fitness Test

Measure your fitness level while you lie down and relax.

For more information, see Fitness Test.

Favorites

In Favorites you'll find training targets that you have saved as favorites in the Flow web service.

For more information, see Favorites.