2. BASIC OPERATION PRINCIPLE
2.1 FUNCTION SUMMARY (tree diagram)
56
User
Gender
Birthday
Weight
HR max
1. HR zone
2. HR zone
3. HR zone
IAT
www.sigmasport.com
Setting
Unit
Language
Date
Clock
Volume
Button-
tones
Zone-
alarm
Training-
tones
My name
Training
Endurance
Interval