Polar Electro POLAR M21 User Manual page 56

OwnZone
Upper Limit (manual)
Lower Limit (manual)
OwnCal
In models M52 and M51:
Polar Fitness Test
Activity
User id
Height
LIMIT VALUES
Chronometer
Heart rate limits
Kcal
Tot. kcal
Tot.time
56
OFF
160
80
OFF
OFF
Low
1
00 (ft/inch)
23 h 59 min 59 s
30 – 240 bpm
99999 kcal
999999 kcal
99 h 59 min 59 s