Garmin 405cx Guida Utente

Getting Started

The first time you use your 

Forerunner, follow the on-screen 

instructions to learn how to use 

the bezel, set your user profile, and 

configure the Forerunner.
If you are using an ANT+ heart 

rate monitor, select 

 during the 

configuration to allow the heart rate 

0

No exercise

-

-

1

Occasional, light 

exercise

Once every two weeks

Less than 15 minutes

2

15 to 30 minutes

3

Once a week

Approximately 30 minutes

4

Regular exercise 

and training

2 to 3 times per week

Approximately 45 minutes

5

45 minutes to 1 hour

6

1 to 3 hours

7

3 to 5 times per week

3 to 7 hours

8

Daily training

Almost daily

7 to 11 hours

9

Daily

11 to 15 hours

10

More than 15 hours

Activity Class Chart provided by Firstbeat Technologies Ltd., portions of which are based on Jackson et 

al. Prediction of functional aerobic capacity without exercise testing. Medicine and Science in Sports & 

Exercise 22:863:870, 1990.