ajustement de l’image du cercle horizontal
/ˈkʁɑ̃ də- ʁeɡlˈaʒ/
n
English: adjustment for horizontal-circle image · 水平度盘调焦螺旋
English · adjustment for horizontal-circle image中文 · 水平度盘调焦螺旋Español · botón para ajustar la imágen horizontalmente
Sens：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.