Pogo Turf Pro System Manual page 75

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Sampling Process Gets Hung Up with a Spinning Wheel
Sometimes while sampling, it may take an unusually long time to sample
(>4 seconds) and get readings from the POGO. This can be due to some of
the same WiFi disruption issues mentioned earlier. However, it is rare that
this happens at all.
If you encounter the green and white spinning wheel in the middle of the
sample screen as indicated to the right, and it is lasting for more than 4
seconds, you can exit the sampling process by tapping the green and white
'X' at the top right of the screen. This 'X' only appears during the sampling
process. If you tap that, you can re-sample and this usually resolves the
issue.
If you are getting this spinning wheel issue often, check the connections as
indicated earlier and make sure only one device is connected to the POGO
at a time.
If the problem persists beyond these remedies, contact POGO Support