True Calibration by Matching Relative Target Icon and Indicators to Relative Target

摘要

An improved display provides a relative aiming point indicated in relation to a relative target icon or user selectable target reference image. A range finding device is calibrated, using a relative target, to a specific firing device having a sight, for example, a rifle having a riflescope calibrated at 100 yards, or a bow having a bow sight calibrated with a 20-yard pin. The user places the riflescope cross hairs on the point visualized in the display relative to the relative target icon. In bow mode, user places a bow sight pin, for example, the 20-yard pin, on the point visualized in the display relative to the relative target icon. The relative aiming point is separate and distinct from an absolute aiming point that may be visualized in the display relative to the visual image of the target.