Graco 500 Manual De Usuario

ANT+ Sensors

1 50% to 60%

Relaxed, easy pace; rhythmic 

breathing

Beginning-level aerobic 

training; reduces stress

2 60% to 70%

Comfortable pace; slightly 

deeper breathing, conversation 

possible

Basic cardiovascular 

training; good recovery 

pace

3 70% to 80%

Moderate pace; more difficult to 

hold conversation

Improved aerobic capacity; 

optimal cardiovascular 

training

4 80% to 90%

Fast pace and a bit 

uncomfortable; breathing 

forceful

Improved anaerobic 

capacity and threshold; 

improved speed

5 90% to 100%

Sprinting pace, unsustainable 

for long period of time; labored 

breathing

Anaerobic and muscular 

endurance; increased 

power