Proteus LDT-8850 Manual page 36

d. CALORIES window will glitter.Press SPEED or SPEED button to set up the desired
CALORIES to be burned. Press ENTER to confirm the setting value of CALORIES.
e. The SPEED window will glitter. Press SPEED or SPEED button to choose the Difficulty
of this SPEED profile. Press the ENTER to confirm your desired speed profile.
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f. And then the PULSE window will glitter and the PROGRAM PROFILE window will show
ENTER TARGET HEART RATE .
Press SPEED or SPEED button to setting the desired target heart rate that you do
not want to exceed during your exercise. Once your heart rate is higher than your setting value,
the PULSE window will flash to remind you to slow down.
Press the START / STOP button to begin exercise.