Quote:
Originally Posted by ecguitar44
Where are you getting calibration from? Calibration, fundamentally requires a comparison between two sets of measurements.
The diagram is "correct"...although I've seen better pictures that represent the differences between precision and accuracy a bit better.
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Calibration is your desired reference point. In the case of a tuner, you might use a reference tone like a tuning fork. In a rifle, it would be the target center.
When you sight a rifle, you first achieve accuracy (shots consistently impacting the same point) and then calibrate ( adjust sights to move point of impact to desired point). If you can't get the shots to hit the same point of impact (accurate), you have no way to know how to adjust or calibrate.
Like rifles have adjustments for windage and elevation, tuners have calibration screws or dials.