Polar S710 Trip Reading

Does anyone know how you can get this to reset itself each time you end a ride or start a new ride?Thanks
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When the trip miles are displayed, push and hold the top left button. The display will blink 4 or five times and then it will reset to 0. I don’t believe it can be automatically be set to reset to ) every time.

At least that is how it works on an S720.