Sports Sensors SWING SPEED RADAR SSR364 Owner's Manual page 6

BAT SWING SPEED MEASUREMENTS
Approx.
4' to 5' (1.2 – 1.5 m)
To measure bat speed "out front", in the hitting zone where batters are taught
to hit the ball, the Swing Speed Radar can be positioned in front of the
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batter, or behind the batter. The most important consideration in using the
Swing Speed radar is to position it in the plane of the swing as the bat
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enters the hitting zone, similarly to positioning a ball at the desired height
and location on a tee. If the batter is swinging at a ball on a tee, the Swing
Speed Radar must be located behind the batter to prevent the batted ball from
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striking the radar and/or erroneous reading caused by the unpredictable ball
flight from the tee. The radar should be positioned behind the tee, facing the
ball on the tee, and at the height of the tee. It should be about five feet (1.5 m)
behind the tee for metal bats and four feet (1.2 m) behind the tee for wooden
bats. The radar must be sufficiently rearward to prevent it from being struck
with the bat.
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