Epson AP002 User Manual page 22

Chapter 1
Getting Ready
Items measurable by the HR sensor settings (SS-700 and SS-500 only)
HR sensor status
Measurement item
(Display name)
You can purchase the HR sensor set for the SS-500 as an optional item.
HR
Lap HR (HR Lap)
Average HR (HR Avg)
ON
22
OFF
-
-
-