adjustment for horizontal-circle image
/ɐdʒˈʌstɪŋ ˈkatʃ/
n
中文：水平度盘调焦螺旋
中文 · 水平度盘调焦螺旋Español · botón para ajustar la imágen horizontalmenteFrançais · ajustement de l’image du cercle horizontal
Meaning：Knob that adjusts the sharpness of the image of the horizontal circle (graduated from 0° to 360°) in order to read the angles on the horizontal axis.