25
During a workout, FB504 & FB505 shows your heart-rate zone to help you target the training intensity of
your choice.
For more information about heart-rate zones on FB504 & FB505, see Check your heart rate.
Adjust the Heart Rate setting
The Heart Rate setting on FB504 & FB505 has two options:
Off—Heart Rate tracking is off.
On—Heart Rate tracking is on when the watch is on your wrist.
To adjust the Heart Rate setting, open the Settings app ( ) on FB504 & FB505 > Heart Rate.
Note that the green LED on the back of FB504 & FB505 continues to flash even if you turn off Hear Rate
tracking.