Garmin Forerunner 310XT - Manual (Page 52)

 Forerunner 310XT Owner’s Manual
Appendix
Problem Solution/Answer
Some of my data
is missing from my
Forerunner.
The Forerunner will no longer record data if you do not
transfer it to your computer. Transfer data regularly to
avoid losing data.
Heart Rate Zone Table
% of Maximum
Heart Rate or
Resting Heart
Rate
Perceived Exertion Benefits
1 50–60% Relaxed, easy pace;
rhythmic breathing
Beginning-level aerobic
training; reduces stress
2 60–70% Comfortable pace;
slightly deeper breathing,
conversation possible
Basic cardiovascular
training; good recovery
pace
3 70–80% Moderate pace; more difficult
to hold conversation
Improved aerobic
capacity; optimal
cardiovascular training
4 80–90% Fast pace and a bit
uncomfortable; breathing
forceful
Improved anaerobic
capacity and threshold;
improved speed
5 90–100% Sprinting pace,
unsustainable for long period
of time; labored breathing
Anaerobic and muscular
endurance; increased
power