éclairage de l’écran d’affichage
/eklɛʁˈaʒ də- lekʁˈɑ̃ dafiʃˈaʒ/
n
English: data display illumination button · 显示屏照明按钮
Sens：Button that illuminates the display screen so it is easier to read in poor lighting conditions.
English: data display illumination button · 显示屏照明按钮