a. Fine trimming and adjustment the green slope detector with
the putter before use it.
b.
One device is only applicable to putter designate, has to
be re-adjusted if put on another.
c.
User has to choose the location of putter for adjustment and
trimming, not allowed to move it at random. Every detector
comes with a sticker and trimmer.
d.
Direct use of the device on the greensward is not allowed.
e.
The measurement and the instruction is as following:
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