7. Display and operating elements
1. 'LIGHT' key
2. 'MODE' key
3. 'ST/STP' key
4. 'VIEW' key
5. 'LAP / RESET' key
6. Clip-lock
7. USB contacts
8. Battery compartment lid
9. Built-in antenna
10. Contact surfaces for pulse measure-
ment
50
1
2
8
10
3
4
5
9
10
6
7