Garmin Forerunner 405 User Manual download pdf (Page 49)

Forerunner 405 Owner’s Manual 43

Appendix

Problem Solution/Answer

Some of my data

is missing from my

Forerunner.

The Forerunner overwrites the oldest detailed data if

you do not transfer it to your computer. Transfer data

regularly to avoid losing data.

Heart Rate Zone Table

Zone % of Maximum

Heart Rate

Perceived Exertion Benets

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 difcult 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

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Garmin Forerunner 405 User Manual Page 49