In field,Head Up Display sight calibrator can not only directly measure and test the fixed precision of Head Up Display symbol by install on HUD components of certain aircraft,but also can calibrate and adjust the installation position of HUD components so as to accomplish the ordnance calibrator based on aeronautical cannons.
外场用平视显示器视准仪除可直接安装在某型飞机平视显示器显示组件上 ,用来测量检查平视显示器字符画面定位精度外 ,还可以用来校准调整显示组件安装位置 ,完成以航炮为基准的军械校