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A new training session cannot be started before charging M450.
When the display is blank, M450 has either gone to sleep mode or its battery is empty. M450 goes to sleep
mode automatically when it's in time view and you haven't pressed any button for ten minutes. It wakes up
from sleep mode when you press any button. If it doesn't wake up, it's time to charge.
BUTTONS
M450 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
LIGHT
TIME VIEW AND MENU
Illuminate the display
l
Press and hold to lock but-
l
tons
BACK
TIME VIEW AND MENU
Exit the menu
l
Return to the previous
l
level
Leave settings
l
unchanged
Cancel selections
l
PRE-TRAINING MODE
Illuminate the display
l
Press and hold to enter
l
sport profile settings
PRE-TRAINING MODE
Return to time view
l
14
DURING TRAINING
Illuminate the display
l
Press and hold to enter
l
Quick Menu
DURING TRAINING
Pause training by press-
l
ing once
Press and hold for 3
l
seconds to stop training
recording
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