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Symbol
Explanation
Zone pointer* (power)
If the power symbol is not visible and/or an alarm sounds,
you are outside the target power zone limits.
Time in zone
Time spent on the zone
Speed/pace*
Current speed/pace. The data comes from the G3 GPS
sensor. The amount of bars above the letter G indicates the
GPS signal strength.
Max speed*
Maximum speed/pace so far. The data comes from the G3
GPS sensor.
Average speed*
Average speed/pace so far. The data comes from the G3
GPS sensor.
* Optional sensor required.
Button Functions
Take a Lap
Press OK to record a lap. The display will show:
Lap number
Average heart rate of the lap
Lap time
Lap number
Lap distance
Average speed
Lock a Zone
When training without preset target zones (FREE exercise), you can lock your heart rate into a sport
zone. For more information see Polar Sport Zones. This way, if you haven’t had time to define preset
target zones prior to exercise, you can set a target zone on the go during a session.
Press and hold LAP (OK) to Lock /Unlock zone.
If, for example, you are cycling with a heart rate of 130 bpm which is 75% of your maximum heart
Polar CS600X User Manual 18