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8
BUTTONS AND THEIR FUNCTIONS
START/STOP/OK
• Start heart rate measurement
• Start the stopwatch
• Stop the stopwatch
• Activate the displayed mode
• Lock your selection
SCROLL UP
• Move forward to the next mode
• Select the desired value (up)
SCROLL DOWN
• Move backward to the previous mode
• Select the desired value (down)
• Backlight on
• Signal sound on or off
RESET
SCROLL DOWN
RESET
START/STOP/OK
SCROLL UP