Polar Electro RS300X User Manual page 20

ENGLISH
Pace/Speed (available only with foot pod or GPS sensor)
Stopwatch
Distance
Speed/pace (depending on the selected speed view)
Distance (available only with foot pod or GPS sensor)
Zone number and countdown timer or distance / Lap time (lap time will be displayed if you have not set any timers
or distances that prompt you to change zones)
Sport zones / Target heart rate zone / target speed/pace zone
Distance
20 Training