LifeSpan MARATHON - Page 12

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VOLUME+ BUTTON: Press this button to turn up the volume.
VOLUME – BUTTON: Press this button to turn down the volume.
PLAY/PAUSE BUTTON: Play/pause the music or video currently
playing.
UP BUTTON
DOWN BUTTON
LEFT BUTTON
RIGHT BUTTON
ENTER BUTTON
2. System Operation Steps & Icon Function Description:
2.1. Main Page Icon Function Description
Power on and display system main interface
① Motion parameter icons function description